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  1. 15 May Organization
    a terrorist organization formed in 1979 by a faction of the Popular Front for the Liberation of Palestine but disbanded in the 1980s when key members left to join a faction of al-Fatah
  2. 17 November
    a Marxist-Leninist terrorist organization in Greece that is violently opposed to imperialism and capitalism and NATO and the United States; an active terrorist group during the 1980s
  3. 3rd October Organization
    a militant Marxist-Leninist terrorist organization formed in 1975 to force Turkey to acknowledge killing more than a million Armenians and forcibly removing them from border areas in 1915; wants Turkey to pay reparations and cede territory to Armenia
  4. A'man
    the Israeli military intelligence which produces comprehensive national intelligence briefings for the prime minister and the cabinet
  5. A-team
    a group of elite soldiers or a leadership group of advisors or workers in an organization
  6. AA
    an associate degree in arts
  7. AARP
    an association of people to promote the welfare of senior citizens
  8. ABB
    an urban hit squad and guerrilla group of the Communist Party in the Philippines; formed in the 1980s
  9. Abecedarian
    a 16th century sect of Anabaptists centered in Germany who had an absolute disdain for human knowledge
  10. Abelian group
    a group that satisfies the commutative law
  11. Abelmoschus
    genus of tropical coarse herbs having large lobed leaves and often yellow flowers
  12. Abies
    true firs
  13. Abkhas
    Circassian people living east of the Black Sea
  14. Abkhaz
    of or relating to Abkazia or its people or their language
  15. ablative
    the case indicating the agent in passive sentences or the instrument or manner or place of the action described by the verb
  16. ablative absolute
    a constituent in Latin grammar
  17. ablative case
    the case indicating the agent in passive sentences or the instrument or manner or place of the action described by the verb
  18. Abo
    a dark-skinned member of a race of people living in Australia when Europeans arrived
  19. Aboriginal
    a dark-skinned member of a race of people living in Australia when Europeans arrived
  20. Aborigine
    a dark-skinned member of a race of people living in Australia when Europeans arrived
  21. Abramis
    European fishes
  22. Abrocoma
    abrocomes
  23. Abronia
    genus of western North American herbs having showy flowers
  24. absolutism
    a form of government in which the ruler is unconstrained
  25. absorption spectrum
    the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths
  26. Abstract Expressionism
    a New York school of painting characterized by freely created abstractions; the first important school of American painting to develop independently of European styles
  27. Abu Hafs al-Masri Brigades
    a terrorist group that has worked with Al Qaeda
  28. Abu Nidal Organization
    a Palestinian international terrorist organization that split from the PLO in 1974; has conducted terrorist attacks in 20 countries
  29. Abu Sayyaf
    a small gang of terrorist thugs claiming to seek a separate Islamic state for the Muslim minority in the Philippines; uses bombing and assassination and extortion and kidnapping
  30. Abudefduf
    damsel fishes
  31. Abutilon
    herbs or shrubs or small trees: flowering maple
  32. academe
    the community or environment of colleges and universities
  33. academia
    the world of higher learning
  34. academic department
    a division of a school that is responsible for a given subject
  35. academy
    a learned establishment for the advancement of knowledge
  36. Academy of Motion Picture Arts and Sciences
    an academy that gives annual awards for achievements in motion picture production and performance
  37. Academy of Television Arts and Sciences
    an academy that gives annual awards for outstanding achievements in television
  38. Acalypha
    a genus of herbs and shrubs belonging to the family Euphorbiaceae
  39. Acanthaceae
    widely distributed herbs and shrubs and trees
  40. Acanthisitta
    a genus of Xenicidae
  41. Acanthisittidae
    alternative names for the family comprising the New Zealand wrens
  42. Acanthocephala
    phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms
  43. Acanthocereus
    mostly trailing cacti having nocturnal white flowers
  44. Acanthocybium
    wahoos
  45. Acanthophis
    Australian elapid snakes
  46. Acanthopterygii
    teleost fishes having fins with sharp bony rays
  47. Acanthoscelides
    a genus of Bruchidae
  48. Acanthuridae
    surgeonfishes
  49. Acanthurus
    type genus of the Acanthuridae: doctorfishes
  50. acanthus family
    widely distributed herbs and shrubs and trees
  51. Acaridae
    mites
  52. Acarina
    mites and ticks
  53. ACC
    a command that is the primary provider of air combat weapon systems to the United States Air Force; operates fighter, bomber, reconnaissance, battle-management, and rescue aircraft
  54. accentual system
    the system of accentuation used in a particular language
  55. Accipiter
    type genus of the family Accipitridae
  56. Accipitridae
    hawks; Old World vultures; kites; harriers; eagles
  57. accounting data
    all the data that support a financial statement
  58. accounting firm
    a firm of accountants who provide accounting and auditing services for a fee
  59. accumulation
    a gain or increase in something over time
  60. accusative
    containing or expressing accusation
  61. accusative case
    the case of nouns serving as the direct object of a verb
  62. ACE
    proteolytic enzyme that converts angiotensin I into angiotensin II
  63. Acer
    type genus of the Aceraceae
  64. Aceraceae
    a family of trees and shrubs of order Sapindales including the maples
  65. acetyl
    the organic group of acetic acid (CH3CO-)
  66. acetyl group
    the organic group of acetic acid (CH3CO-)
  67. acetyl radical
    the organic group of acetic acid (CH3CO-)
  68. Achaean
    of or relating to Achaea or its ancient Greek people
  69. Acherontia
    death's-head moth
  70. Acheta
    common house and field crickets
  71. Achoerodus
    a genus of Labridae
  72. Achomawi
    a community of Native Americans who speak a Hokan language and live in northeastern California
  73. Achras
    tropical trees having papery leaves and large fruit
  74. Acinonyx
    cheetahs
  75. Acinos
    plants closely allied to the genera Satureja and Calamintha
  76. Acipenser
    type genus of the Acipenseridae: sturgeons
  77. Acipenseridae
    sturgeons
  78. ACLANT
    a major strategic headquarters of NATO located in the United States; is under the authority of the North Atlantic Council
  79. Acnidosporidia
    a subclass of Sporozoa
  80. Acocanthera
    small genus of trees and shrubs containing strongly toxic cardiac glycosides; Arabia to Africa
  81. Acokanthera
    small genus of trees and shrubs containing strongly toxic cardiac glycosides; Arabia to Africa
  82. Aconitum
    genus of poisonous plants of temperate regions of northern hemisphere with a vaulted and enlarged petal
  83. Acoraceae
    used in some classifications for the genus Acorus which is usually assigned to Araceae
  84. Acorus
    sweet flags; sometimes placed in subfamily Acoraceae
  85. acoustic spectrum
    the distribution of energy as a function of frequency for a particular sound source
  86. acquirer
    a person who acquires something (usually permanently)
  87. Acrasiomycetes
    cellular slime molds
  88. Acrididae
    short-horned grasshoppers; true locusts
  89. Acridotheres
    mynas
  90. Acris
    cricket frogs
  91. Acrobates
    a genus of Phalangeridae
  92. Acrocarpus
    small genus of trees of Indonesia and Malaysia
  93. Acrocephalus
    a genus of Sylviidae
  94. Acroclinium
    genus of herbs and shrubs of Australia and South Africa: everlasting flower; most species usually placed in genus Helipterum
  95. Acrocomia
    Central and South American feather palms
  96. Acropora
    coelenterate genus of order Madreporaria, including staghorn corals
  97. Acrostichum
    in some classification systems placed in family Polypodiaceae
  98. Actaea
    baneberry
  99. Actias
    luna moths
  100. Actinaria
    sea anemones
  101. Actinia
    a genus of sea anemone common in rock pools
  102. Actiniaria
    sea anemones
  103. actinide
    any of a series of radioactive elements with atomic numbers 89 through 103
  104. actinide series
    (chemistry) a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium
  105. Actinidia
    small Asiatic woody vine bearing many-seeded fruit
  106. Actinidiaceae
    tropical trees or shrubs or woody vines
  107. Actiniopteris
    terrestrial ferns of tropical Asia and Africa
  108. actinoid
    any of a series of radioactive elements with atomic numbers 89 through 103
  109. Actinomeris
    used in some classification systems for plants now included in genus Verbesina
  110. Actinomycetaceae
    filamentous anaerobic bacteria
  111. Actinomycetales
    filamentous or rod-shaped bacteria
  112. Actinomyxidia
    parasites of worms
  113. actinon
    any of a series of radioactive elements with atomic numbers 89 through 103
  114. Actinopoda
    heliozoans; radiolarians
  115. Actinozoa
    a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed
  116. action painting
    a New York school of painting characterized by freely created abstractions; the first important school of American painting to develop independently of European styles
  117. action spectrum
    the efficiency with which electromagnetic radiation produces a photochemical reaction plotted as a function of the wavelength of the radiation
  118. Actitis
    a genus of Scolopacidae
  119. actuarial table
    a table of statistical data
  120. acyl
    any group or radical of the form RCO- where R is an organic group
  121. acyl group
    any group or radical of the form RCO- where R is an organic group
  122. ad agency
    an agency that designs advertisement to call public attention to its clients
  123. Adalia
    a port city in southwestern Turkey on the Gulf of Antalya
  124. Adansonia
    baobab; cream-of-tartar tree
  125. Adapid
    extinct small mostly diurnal lower primates that fed on leaves and fruit; abundant in North America and Europe 30 to 50 million years ago; their descendents probably include the lemurs; some authorities consider them ancestral to anthropoids but others consider them only cousins
  126. Adapid group
    extinct small mostly diurnal lower primates that fed on leaves and fruit; abundant in North America and Europe 30 to 50 million years ago; their descendents probably include the lemurs; some authorities consider them ancestral to anthropoids but others consider them only cousins
  127. Adelges
    type genus of the Adelgidae: plant lice
  128. Adelgidae
    plant lice
  129. Aden-Abyan Islamic Army
    Yemen-based terrorist group that supports al-Qaeda's goals
  130. Adenanthera
    small genus of trees of tropical Asia and Pacific areas
  131. Adenium
    one species: succulent shrub or tree of tropical Africa and Arabia
  132. Adenota
    African antelopes: puku
  133. adhocracy
    an organization with little or no structure
  134. Adiantaceae
    used in some classification systems for some genera of the family Polypodiaceae (or Pteridaceae)
  135. Adiantum
    cosmopolitan genus of ferns: maidenhair ferns
  136. adjective
    the word class that qualifies nouns
  137. adjunct
    something added to another thing but not essential to it
  138. Adlumia
    one species: climbing fumitory
  139. admass
    the segment of the public that is easily influenced by mass media (chiefly British)
  140. administration
    the act of governing or exercising authority
  141. administrative body
    a unit with administrative responsibilities
  142. administrative law
    the body of rules and regulations and orders and decisions created by administrative agencies of government
  143. administrative unit
    a unit with administrative responsibilities
  144. admiralty
    the office of admiral
  145. admiralty law
    the branch of international law that deals with territorial and international waters or with shipping or with ocean fishery etc.
  146. Adonis
    a handsome youth loved by both Aphrodite and Persephone
  147. Advanced Research and Development Activity
    an agency of the Intelligence Community that conducts advanced research and development related to information technology
  148. adverb
    a word that modifies something other than a noun
  149. advertising agency
    an agency that designs advertisement to call public attention to its clients
  150. advertising department
    the division of a business that is responsible for advertising
  151. advertising division
    the division of a business that is responsible for advertising
  152. advisory board
    a board appointed to advise the chief administrator
  153. AEC
    a former executive agency (from 1946 to 1974) that was responsible for research into atomic energy and its peacetime uses in the United States
  154. Aedes
    yellow-fever mosquitos
  155. Aegean civilisation
    the prehistoric civilization on the islands in the Aegean sea and the surrounding countries
  156. Aegean civilization
    the prehistoric civilization on the islands in the Aegean sea and the surrounding countries
  157. Aegean culture
    the prehistoric civilization on the islands in the Aegean sea and the surrounding countries
  158. Aegiceras
    a genus of herbs of the family Verbenaceae
  159. Aegilops
    goat grass
  160. Aegypius
    a genus of Accipitridae
  161. Aeolian
    of or pertaining to Aeolus, the Greek god of the winds
  162. Aeonium
    a genus of plants of the family Crassulaceae
  163. Aepyceros
    African antelopes: impalas
  164. Aepyornidae
    coextensive with the order Aepyorniformes
  165. Aepyorniformes
    huge extinct flightless birds: elephant birds
  166. Aerobacter
    aerobic bacteria widely distributed in nature
  167. Aerobacter aerogenes
    a species of Gram-negative aerobic bacteria that produce gas and acid from sugars and are sometimes involved in the souring of milk
  168. Aesculus
    deciduous trees or some shrubs of North America
  169. aestivation
    cessation or slowing of activity during the summer
  170. Aethionema
    Old World genus of the family Cruciferae
  171. Aethusa
    fool's parsley
  172. Aetobatus
    a genus of Myliobatidae
  173. affected role
    the semantic role of an entity that is not the agent but is directly involved in or affected by the happening denoted by the verb in the clause
  174. affiliate
    join in a social or business relationship
  175. AFISR
    an agency focused on ensuring that the United States military attains information superiority; operates worldwide ground sites and an array of airborne reconnaissance and surveillance platforms
  176. AFL
    a federation of North American labor unions that merged with the Congress of Industrial Organizations in 1955
  177. AFL-CIO
    the largest federation of North American labor unions
  178. Aframomum
    an African genus of plants of the family Zingiberaceae
  179. AFRL
    a United States Air Force defense laboratory responsible for discovering and developing and integrating fighting technologies for aerospace forces
  180. Afrocarpus
    dioecious evergreen trees or shrubs
  181. AFSPC
    a command of the United States Air Force that is responsible for defending the United States through its space and intercontinental ballistic missile operations
  182. Agalinis
    semiparasitic herb with purple or white or pink flowers
  183. Agamidae
    an Old World reptile family of Sauria
  184. Agapornis
    a genus of Psittacidae
  185. Agaricaceae
    large family including many familiar mushrooms
  186. Agaricales
    typical gilled mushrooms belonging to the subdivision Basidiomycota
  187. Agaricus
    type genus of Agaricaceae
  188. Agastache
    giant hyssop; Mexican hyssop
  189. Agathis
    kauri pine
  190. Agavaceae
    chiefly tropical and xerophytic plants: includes Dracenaceae
  191. agave family
    chiefly tropical and xerophytic plants: includes Dracenaceae
  192. Agdestis
    a genus with one species that is a rapidly growing climbing vine with tuberous roots; grown in hot climates
  193. age bracket
    a group of people having approximately the same age
  194. age class
    people in the same age range
  195. age group
    a group of people having approximately the same age
  196. Age of Reason
    a movement in Europe from about 1650 until 1800 that advocated the use of reason and individualism instead of tradition and established doctrine
  197. aged
    having attained a specific age;
  198. Agelaius
    red-winged blackbirds
  199. agency
    the state of being in action or exerting power
  200. agent
    a representative who acts on behalf of others
  201. agent bank
    a bank named by a lending syndicate of several banks to protect their interests
  202. agentive role
    the semantic role of the animate entity that instigates or causes the happening denoted by the verb in the clause
  203. Ageratina
    annual to perennial herbs or shrubs of eastern United States and Central and South America
  204. agglomerate
    form into one cluster
  205. agglomeration
    the act of collecting in a mass
  206. aggregate
    a sum total of many heterogeneous things taken together
  207. aggregation
    the act of gathering something together
  208. Agkistrodon
    copperheads
  209. Aglaomorpha
    epiphytic ferns of tropical Asia
  210. Aglaonema
    climbing herbs of southeastern Asia having thick fleshy oblong leaves and naked unisexual flowers: Chinese evergreen
  211. Agnatha
    superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms
  212. Agonidae
    poachers
  213. Agonus
    type genus of the Agonidae
  214. agriculture
    the practice of cultivating the land or raising stock
  215. Agriculture Department
    the federal department that administers programs that provide services to farmers (including research and soil conservation and efforts to stabilize the farming economy); created in 1862
  216. Agriocharis
    a genus of birds of the family Meleagrididae including the ocellated turkey
  217. Agrobacterium
    small motile bacterial rods that can reduce nitrates and cause galls on plant stems
  218. Agrobacterium tumefaciens
    the bacteria that produce crown gall disease in plants
  219. Agropyron
    perennial grasses of temperate and cool regions: wheatgrass
  220. Agrostemma
    a caryophylloid dicot genus including corn cockles
  221. Agrostis
    annual or perennial grasses cosmopolitan in northern hemisphere: bent grass (so named from `bent' meaning an area of unfenced grassland)
  222. AHPCRC
    a United States defense laboratory to conduct research in high-performance computing for defense technology applications; a partnership of government and university and industry
  223. AI
    computer programming that can solve problems creatively
  224. AIAI
    a fundamentalist Islamic group in Somalia who initially did fundraising for al-Qaeda; responsible for ambushing United States Army Rangers and for terrorist bombings in Ethiopia; believed to have branches in several countries
  225. Ailuropoda
    only the giant panda: in some classifications considered a genus of the separate family Ailuropodidae
  226. Ailuropodidae
    in some classifications considered the family comprising the giant pandas
  227. Ailurus
    lesser pandas
  228. Air Combat Command
    a command that is the primary provider of air combat weapon systems to the United States Air Force; operates fighter, bomber, reconnaissance, battle-management, and rescue aircraft
  229. Air Corps
    formerly the airborne division of the United States Army
  230. air crew
    the crew of an aircraft
  231. air division
    a unit of the United States Air Force usually comprising two or more wings
  232. air force
    the airborne branch of a country's armed forces
  233. air force academy
    an academy for training air force officers
  234. Air Force Intelligence Surveillance and Reconnaissance
    an agency focused on ensuring that the United States military attains information superiority; operates worldwide ground sites and an array of airborne reconnaissance and surveillance platforms
  235. Air Force ISR
    an agency focused on ensuring that the United States military attains information superiority; operates worldwide ground sites and an array of airborne reconnaissance and surveillance platforms
  236. Air Force Research Laboratory
    a United States Air Force defense laboratory responsible for discovering and developing and integrating fighting technologies for aerospace forces
  237. Air Force Space Command
    a command of the United States Air Force that is responsible for defending the United States through its space and intercontinental ballistic missile operations
  238. air group
    a unit of the United States Air Force larger than a squadron and smaller than a wing
  239. Air National Guard
    a civilian reserve component of the United States Air Force that provides prompt mobilization during war and assistance during national emergencies
  240. air power
    the aggregation of a country's military aircraft
  241. air traffic
    traffic created by the movement of aircraft
  242. air unit
    a military unit that is part of the airforce
  243. aircrew
    the crew of an aircraft
  244. airforce
    the airborne branch of a country's armed forces
  245. airline
    a commercial business that provides scheduled flights
  246. airline business
    a commercial enterprise that provides scheduled flights for passengers
  247. airway
    the passages through which air enters and leaves the body
  248. Aix
    wood duck and mandarin duck
  249. Aizoaceae
    succulent herbs or small shrubs mostly of South Africa but also New Zealand and North America: carpetweeds; fig marigolds
  250. Ajaia
    a genus of Platalea
  251. Ajuga
    bugle
  252. Akeridae
    bubble shells
  253. Akhbari
    a religious movement by Arab Shiite Muslims in 17th century Iraq that is opposed to the Usuli
  254. Aksa Martyrs Brigades
    a militant offshoot of al-Fatah that is the newest and strongest and best equipped faction active in the West Bank; responsible for many deadly attacks in Israel in 2002
  255. Akwa'ala
    a community of Native Americans who speak a Hokan language and live in Baja California
  256. Al Faran
    an Islamic fundamentalist group in Pakistan that fought the Soviet Union in Afghanistan in the 1980s; now operates as a terrorist organization primarily in Kashmir and seeks Kashmir's accession by Pakistan
  257. al Itihaad al Islamiya
    a fundamentalist Islamic group in Somalia who initially did fundraising for al-Qaeda; responsible for ambushing United States Army Rangers and for terrorist bombings in Ethiopia; believed to have branches in several countries
  258. Al Nathir
    a Palestinian terrorist organization formed in 2002 and linked to Fatah movement of Yasser Arafat
  259. Al Qanoon
    a terrorist organization formed in Pakistan in 2002 as a coalition of extremist Islamic militant groups including Lashkar-e-Taiba and Lashkar-e-Jhangvi and Jaish-e-Muhammad and elements of al-Qaeda
  260. al Sunna Wal Jamma
    a resurgent Islamic fundamentalist organization based in Nigeria that is thought to be planning terrorist attacks
  261. Al Tawhid
    an Islamic terrorist cell that originated in Jordan but operates in Germany; goal is to attack Europe and Russia with chemical weapons
  262. al-Aksa Martyrs Brigades
    a militant offshoot of al-Fatah that is the newest and strongest and best equipped faction active in the West Bank; responsible for many deadly attacks in Israel in 2002
  263. al-Asifa
    a Palestinian political and military organization founded by Yasser Arafat in 1958 to work toward the creation of a Palestinian state; during the 1960s and 1970s trained terrorist and insurgent groups
  264. al-Fatah
    a Palestinian political and military organization founded by Yasser Arafat in 1958 to work toward the creation of a Palestinian state; during the 1960s and 1970s trained terrorist and insurgent groups
  265. al-Gama'a al-Islamiyya
    a terrorist organization of militant Islamists organized into tiny cells of extreme fundamentalists; emerged during the 1970s mainly in Egyptian jails
  266. al-Itihaad al-Islamiya
    a fundamentalist Islamic group in Somalia who initially did fundraising for al-Qaeda; responsible for ambushing United States Army Rangers and for terrorist bombings in Ethiopia; believed to have branches in several countries
  267. Al-Jama'a al-Islamiyyah al-Muqatilah bi-Libya
    a Libyan terrorist group organized in 1995 and aligned with al-Qaeda; seeks to radicalize the Libyan government; attempted to assassinate Qaddafi
  268. al-Jihad
    an Islamic extremist group active since the late 1970s
  269. al-Ma'unah
    a radical insurgent Islamist group consisting of disaffected middle-class professionals in Malaysia who want to overthrow the government by violent means and set up an Islamic state
  270. al-Muhajiroun
    a hard-line extremist Islamic group in Great Britain who support bin Laden and other terrorist groups
  271. al-Qa'ida
    a terrorist network intensely opposed to the United States that dispenses money and logistical support and training to a wide variety of radical Islamic terrorist groups; has cells in more than 50 countries
  272. al-Qaeda
    a terrorist network intensely opposed to the United States that dispenses money and logistical support and training to a wide variety of radical Islamic terrorist groups; has cells in more than 50 countries
  273. al-Qaida
    a terrorist network intensely opposed to the United States that dispenses money and logistical support and training to a wide variety of radical Islamic terrorist groups; has cells in more than 50 countries
  274. al-Rashid Trust
    a terrorist group organized in 1996 after the Taliban took over Afghanistan and part of Osama bin Laden's international system; provides financial support for the Taliban and al-Qaeda and Jaish-i-Mohammed and assists Muslim militants around the world; established a network of madrasas and mosques in Afghanistan
  275. al-Tawhid
    an Islamic terrorist cell that originated in Jordan but operates in Germany; goal is to attack Europe and Russia with chemical weapons
  276. al-Ummah
    a terrorist group formed in India in 1992
  277. Alauda
    type genus of the Alaudidae: skylarks
  278. Alaudidae
    larks
  279. Albatrellus
    a genus of fungi belonging to the family Polyporaceae
  280. Albigenses
    a Christian religious sect in southern France in the 12th and 13th centuries; believers in Albigensianism
  281. Albuginaceae
    fungi that produce white sori resembling blisters on certain flowering plants
  282. Albugo
    type genus of the Albuginaceae; fungi causing white rusts
  283. Albula
    type and sole genus of the family Albulidae
  284. Albulidae
    bonefish
  285. Alca
    type genus of the Alcidae comprising solely the razorbill
  286. Alcea
    genus of erect herbs of the Middle East having showy flowers: hollyhocks; in some classification systems synonymous with genus Althaea
  287. Alcedinidae
    kingfishers
  288. Alcedo
    type genus of the Alcedinidae
  289. Alcelaphus
    African antelopes: hartebeests
  290. Alces
    elk or moose
  291. Alcidae
    web-footed diving seabirds of northern seas: auks
  292. alcohol group
    the chemical group -OH
  293. alcohol radical
    the chemical group -OH
  294. Alcoholics Anonymous
    an international organization that provides a support group for persons trying to overcome alcoholism
  295. Alcyonacea
    comprising the soft corals
  296. Alcyonaria
    corals and sea anemones having eight branches
  297. aldehyde group
    the chemical group -CHO
  298. aldehyde radical
    the chemical group -CHO
  299. Aldrovanda
    one species: waterwheel plant
  300. Alectis
    a genus of Carangidae
  301. Alectoria
    lichens having dark brown erect or pendulous much-branched cylindrical thallus
  302. Alectoris
    a genus of Perdicidae
  303. Alectura
    brush turkeys
  304. Alepisaurus
    slender scaleless predaceous tropical deep-sea fishes
  305. Aletris
    small genus of bitter-rooted herbs of eastern North America and Asia; sometimes placed in family Melanthiaceae
  306. Aleurites
    candlenut
  307. Aleut
    a community of Native Americans who speak an Eskimo-Aleut language and inhabit the Aleutian Islands and southwestern Alaska
  308. Alex Boncayao Brigade
    an urban hit squad and guerrilla group of the Communist Party in the Philippines; formed in the 1980s
  309. Aleyrodes
    type genus of the Aleyrodidae
  310. Aleyrodidae
    whiteflies
  311. Algeripithecus
    an extinct genus of Hominoidea
  312. alignment
    the spatial property possessed by things in a straight line
  313. alinement
    an organization of people involved in a pact or treaty
  314. ALIR
    a terrorist organization that seeks to overthrow the government dominated by Tutsi and to institute Hutu control again
  315. Alisma
    small genus of aquatic or semiaquatic plants
  316. Alismales
    an order of aquatic monocotyledonous herbaceous plants
  317. Alismataceae
    perennial or annual aquatic or marsh plants
  318. Alismatidae
    one of four subclasses or superorders of Monocotyledones
  319. alkyl
    any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons
  320. alkyl group
    any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons
  321. alkyl radical
    any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons
  322. allele
    any of the forms of a gene that can occupy the same locus
  323. allelomorph
    (genetics) either of a pair (or series) of alternative forms of a gene that can occupy the same locus on a particular chromosome and that control the same character
  324. Alliaceae
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes especially genus Allium
  325. alliance
    the state of being joined in an association or coalition
  326. Alliaria
    a genus of herbs of the family Cruciferae
  327. Allied Command Atlantic
    a major strategic headquarters of NATO located in the United States; is under the authority of the North Atlantic Council
  328. Allied Command Europe
    a major strategic headquarters of NATO
  329. allies
    an coalition of nations joining to fight a common enemy
  330. Alligatoridae
    alligators; caimans
  331. Allionia
    small genus of chiefly American herbs
  332. Allioniaceae
    a family of flowering plants of the order Caryophyllales
  333. Allium
    large genus of perennial and biennial pungent bulbous plants: garlic; leek; onion; chive; sometimes placed in family Alliaceae as the type genus
  334. ally
    a friendly nation
  335. allyl
    the univalent unsaturated organic radical C3H5
  336. allyl group
    the univalent unsaturated organic radical C3H5
  337. allyl radical
    the univalent unsaturated organic radical C3H5
  338. alma mater
    a school you graduated from
  339. Alnus
    alders
  340. aloe family
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
  341. Aloeaceae
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
  342. Alopecurus
    annual or perennial grasses including decorative and meadow species as well as notorious agricultural weeds
  343. Alopex
    arctic foxes
  344. Alopiidae
    thresher sharks
  345. Alopius
    type genus of the family Alopiidae
  346. Alosa
    shad
  347. Alouatta
    howler monkeys
  348. alphabet soup
    soup that contains small noodles in the shape of letters of the alphabet
  349. Alpinia
    perennial rhizomatous herbs of Asia and Australia and Polynesia having ginger-scented rhizomes
  350. Alsobia
    tropical American herbs sometimes included in genus Episcia
  351. Alsophila
    geometrid moths
  352. Alstonia
    genus of evergreen trees or shrubs with white funnel-shaped flowers and milky sap; tropical Africa to southeastern Asia and Polynesia
  353. Alstroemeriaceae
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; sometimes included in subfamily Amaryllidaceae
  354. Alternanthera
    genus of low herbs of tropical America and Australia
  355. aluminum business
    manufacturers of aluminum considered as a group
  356. aluminum industry
    manufacturers of aluminum considered as a group
  357. Alyssum
    a genus of the family Cruciferae
  358. Alytes
    midwife toads
  359. amalgam
    a combination or blend of diverse things
  360. Amanita
    genus of widely distributed agarics that have white spores and are poisonous with few exceptions
  361. amaranth family
    cosmopolitan family of herbs and shrubs
  362. Amaranthaceae
    cosmopolitan family of herbs and shrubs
  363. Amaranthus
    large widely distributed genus of chiefly coarse annual herbs
  364. Amaryllidaceae
    snowdrop
  365. amaryllis family
    snowdrop
  366. Amauropelta
    epiphytic or terrestrial ferns of America and Africa and Polynesia
  367. Amazona
    a genus of Psittacidae
  368. Amberboa
    herbs of Mediterranean to central Asia cultivated for their flowers
  369. Ambloplites
    a genus of Centrarchidae
  370. Amblyrhynchus
    marine iguanas
  371. Ambrosiaceae
    in some classifications considered a separate family comprising a subgroup of the Compositae including the ragweeds
  372. Ambystoma
    type genus of the Ambystomatidae
  373. Ambystomatidae
    New World salamanders
  374. Ameiuridae
    North American catfishes
  375. Ameiurus
    type genus of the Ameiuridae: bullhead catfishes
  376. Amelanchier
    North American deciduous trees or shrubs
  377. Amentiferae
    used in some classification systems for plants that bear catkins
  378. American Baptist Convention
    an association of Northern Baptists
  379. American Federalist Party
    a major political party in the United States in the early 19th century; founded by Alexander Hamilton; favored a strong centralized government
  380. American Federation of Labor
    a federation of North American labor unions that merged with the Congress of Industrial Organizations in 1955
  381. American Federation of Labor and Congress of Industrial Organizations
    the largest federation of North American labor unions
  382. American Labor Party
    a former political party in the United States
  383. American Legion
    the largest organization of United States war veterans
  384. American Party
    a former political party in the United States
  385. Amerindian race
    usually included in the Mongoloid race
  386. Amia
    type genus of the Amiidae
  387. Amianthum
    one species: fly poison
  388. Amiidae
    only the bowfins
  389. amino
    pertaining to or containing any of a group of organic compounds of nitrogen derived from ammonia
  390. amino group
    the radical -NH2
  391. aminomethane
    a methyl with the hydrogen atom replaced by an amino radical
  392. Amish sect
    an orthodox Anabaptist sect separated from the Mennonites in late 17th century; settled chiefly in southeastern Pennsylvania
  393. Ammodytes
    type genus of the Ammodytidae
  394. Ammodytidae
    sand lances
  395. Ammotragus
    genus of wild sheep
  396. Amoebida
    the animal order including amoebas
  397. Amoebina
    the animal order including amoebas
  398. amphibia
    the class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caecilians
  399. amphibian family
    any family of amphibians
  400. amphibian genus
    any genus of amphibians
  401. Amphibolips
    cynipid gall wasps, especially causing oak-apple galls
  402. Amphicarpa
    very small genus of twining vines of North America and Asia: hog peanut
  403. Amphicarpaea
    very small genus of twining vines of North America and Asia: hog peanut
  404. amphictyony
    an association of neighboring states or tribes in ancient Greece; established originally to defend a common religious center
  405. Amphineura
    a class of Gastropoda
  406. Amphioxidae
    lancelets
  407. Amphipoda
    small flat-bodied semiterrestrial crustaceans: whale lice
  408. Amphiprion
    damsel fishes
  409. Amphisbaena
    type genus of the Amphisbaenidae
  410. Amphisbaenia
    type genus of the Amphisbaenidae
  411. Amphisbaenidae
    worm lizards
  412. Amphiumidae
    congo snakes
  413. Amsinckia
    rough annual herbs of Europe and the Americas: fiddlenecks
  414. Amsonia
    genus of herbs and subshrubs with milky juice and showy bluish flowers; Europe to Asia Minor to Japan and North America
  415. Amygdalaceae
    used in former classifications for plum and peach and almond trees which are now usually classified as members of the genus Prunus
  416. Amygdalus
    used in former classifications for peach and almond trees which are now included in genus Prunus
  417. amyl
    a hydrocarbon radical that occurs in many organic compounds
  418. An Nafud
    a desert in northern Saudi Arabia that is noted for its red sand and violent winds
  419. An Nefud
    a desert in northern Saudi Arabia that is noted for its red sand and violent winds
  420. ana
    a collection of anecdotes about a person or place
  421. Anabantidae
    small freshwater spiny-finned fishes of Africa and southern Asia
  422. Anabaptist denomination
    a Protestant sect denying infant baptism and baptising only believers
  423. Anabas
    the type genus of the family Anabantidae
  424. Anabrus
    a genus of Tettigoniidae
  425. Anacanthini
    at least partially equivalent to the order Gadiformes in some classifications
  426. Anacardiaceae
    the cashew family
  427. Anacardium
    type genus of the Anacardiaceae: cashew
  428. Anacyclus
    a Spanish pellitory
  429. Anadenanthera
    2 species of tropical American shrubs or trees
  430. Anagallis
    chiefly Old World herbs
  431. Anagasta
    moth whose larvae are flour moths
  432. Anagyris
    very small genus of shrubs of southern Europe having backward curving seed pods
  433. analytical cubism
    the early phase of cubism
  434. Ananas
    a genus of tropical American plants have sword-shaped leaves and a fleshy compound fruits composed of the fruits of several flowers (such as pineapples)
  435. Anaphalis
    a genus of herbs of north temperate regions having hoary leaves: pearly everlasting
  436. Anapsida
    oldest known reptiles; turtles and extinct Permian forms
  437. Anarhichadidae
    wolffishes
  438. Anarhichas
    type genus of the Anarhichadidae
  439. Anas
    type genus of the Anatidae: freshwater ducks
  440. Anasa
    squash bugs
  441. Anaspida
    extinct order of jawless vertebrates
  442. Anastatica
    one species: rose of Jericho; resurrection plant
  443. Anastomus
    openbills
  444. Anatidae
    swimming birds having heavy short-legged bodies and bills with a horny tip: swans; geese; ducks
  445. ancestry
    the lineage of an individual
  446. ancients
    people who lived in times long past
  447. Ancistrodon
    copperheads
  448. Ancylidae
    freshwater gastropod
  449. Ancylostomatidae
    hookworms
  450. Ancylus
    type genus of the family Ancylidae: river limpet
  451. Andira
    small genus of evergreen trees of tropical America and western Africa
  452. Andreaea
    brown or blackish Alpine mosses having a dehiscent capsule with 4 longitudinal slits
  453. Andreaeales
    comprises a single genus: Andreaea
  454. Andrenidae
    a large family of solitary short-tongued bees most of which burrow in the ground
  455. Andricus
    cynipid gall wasps, chiefly affecting oaks
  456. Andromeda galaxy
    a spiral galaxy in the constellation of Andromeda that is visible to the naked eye
  457. Andropogon
    tall annual or perennial grasses with spikelike racemes
  458. Aneides
    climbing salamanders
  459. Anemia
    genus of terrestrial or lithophytic ferns having pinnatifid fronds; chiefly of tropical America
  460. Anemonella
    one species: rue anemone
  461. Anemopsis
    one species: yerba mansa
  462. Anethum
    dill
  463. ANG
    a civilian reserve component of the United States Air Force that provides prompt mobilization during war and assistance during national emergencies
  464. Angiospermae
    comprising flowering plants that produce seeds enclosed in an ovary; in some systems considered a class (Angiospermae) and in others a division (Magnoliophyta or Anthophyta)
  465. Anglican Church
    the national church of England
  466. Anglican Communion
    the national church of England
  467. Angraecum
    genus of tropical Old World epiphytic orchids with showy flowers sometimes grotesque
  468. Anguidae
    alligator lizards
  469. Anguilla
    a British colony in the West Indies
  470. Anguillidae
    eels that live in fresh water as adults but return to the sea to spawn
  471. Anguilliformes
    elongate fishes with pelvic fins and girdle absent or reduced
  472. Anguillula
    a genus of Cephalobidae
  473. Anguis
    type genus of the Anguidae: blindworms
  474. Anhima
    type genus of the Anhimidae; horned screamers
  475. Anhimidae
    screamers
  476. Anhingidae
    snakebirds
  477. Anigozanthus
    genus of monocotyledonous plants with curious woolly flowers on sturdy stems above a fan of sword-shaped leaves; includes kangaroo's paw and Australian sword lily; sometimes placed in family Amaryllidaceae
  478. animal group
    a group of animals
  479. animal kingdom
    taxonomic kingdom comprising all living or extinct animals
  480. animal order
    the order of animals
  481. Animalia
    taxonomic kingdom comprising all living or extinct animals
  482. Anisoptera
    dragonflies
  483. Anisotremus
    a genus of Haemulidae
  484. Annelida
    segmented worms: earthworms; lugworms; leeches
  485. Anniellidae
    legless lizards
  486. Annona
    type genus of the Annonaceae
  487. Annonaceae
    chiefly tropical trees or shrubs
  488. ANO
    a Palestinian international terrorist organization that split from the PLO in 1974; has conducted terrorist attacks in 20 countries
  489. Anobiidae
    deathwatch beetles
  490. Anodonta
    thin-shelled freshwater mussels
  491. Anoectochilus
    genus of delicate Asiatic orchids
  492. Anogramma
    a genus of ferns belonging to the family Pteridaceae
  493. Anolis
    New World chameleons
  494. Anomala
    genus of beetles whose grubs feed mainly on roots of plants
  495. Anomalopidae
    a family of fish including: flashlight fishes
  496. Anomia
    type genus of the family Anomiidae: saddle oysters
  497. Anomiidae
    saddle oysters
  498. Anopheles
    malaria mosquitoes
  499. Anoplura
    sucking lice
  500. Anostraca
    small aquatic crustaceans lacking a carapace: fairy shrimps
  501. Ansar al Islam
    a radical Islamic group of terrorists in the Iraqi part of Kurdistan who oppose an independent secular nation as advocated by the United States; some members fought with the Taliban and al-Qaeda forces in Afghanistan; said to receive financial support from Saddam Hussein
  502. Ansar al-Islam
    a radical Islamic group of terrorists in the Iraqi part of Kurdistan who oppose an independent secular nation as advocated by the United States; some members fought with the Taliban and al-Qaeda forces in Afghanistan; said to receive financial support from Saddam Hussein
  503. Anser
    typical geese
  504. Anseres
    used in some especially older classifications
  505. Anseriformes
    ducks; geese; swans; screamers
  506. Anserinae
    used in some classifications for the swans
  507. Antedon
    a genus of echinoderms of the family Antedonidae
  508. Antedonidae
    feather stars
  509. Antennaria
    small woolly perennial herbs having small whitish discoid flowers surrounded by a ring of club-shaped bristles
  510. Antennariidae
    frogfishes
  511. Anthemis
    dog fennel
  512. Antheraea
    large moths whose larvae produce silk of high quality
  513. Anthericum
    genus of Old World perennial herbs
  514. Antheropeas
    small genus of North American herbs often included in genus Eriophyllum
  515. Anthidium
    potter bees
  516. Anthoceropsida
    hornworts: in some classification systems included in the class Hepaticopsida
  517. Anthoceros
    hornworts
  518. Anthocerotaceae
    hornworts
  519. Anthocerotales
    hornworts
  520. Anthonomus
    weevils destructive of cultivated plants
  521. Anthophyta
    comprising flowering plants that produce seeds enclosed in an ovary; in some systems considered a class (Angiospermae) and in others a division (Magnoliophyta or Anthophyta)
  522. Anthozoa
    a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed
  523. Anthriscus
    chervil: of Europe, North Africa and Asia
  524. Anthropoidea
    monkeys; apes; hominids
  525. anthropology department
    the academic department responsible for teaching and research in anthropology
  526. Anthus
    pipits
  527. Anthyllis
    genus of Mediterranean herbs and shrubs
  528. Anti-Imperialist International Brigade
    a terrorist group organized in 1970 to overthrow the Japanese government and monarchy and to foment world revolution; is said to have close ties with Palestinian terrorists
  529. Anti-Masonic Party
    a former political party in the United States
  530. antibiosis
    an association between organisms that is harmful to one of them or between organisms and a metabolic product of another
  531. Antidorcas
    springboks
  532. Antigonia
    a genus of fish in the family Caproidae
  533. Antilocapra
    type and sole genus of the Antilocapridae comprising one species
  534. Antilocapridae
    comprising only the pronghorns
  535. Antilope
    blackbucks
  536. Antirrhinum
    a genus of herbs of the family Scrophulariaceae with brightly colored irregular flowers
  537. Antrozous
    a genus of Vespertilionidae
  538. Anura
    frogs, toads, tree toads
  539. aorist
    a verb tense in some languages (classical Greek and Sanskrit) expressing action (especially past action) without indicating its completion or continuation
  540. Aotus
    douroucoulis
  541. Apatura
    large Old World butterflies
  542. Aphasmidia
    one of two subgroups of Nematoda used in some classification systems
  543. Aphididae
    small soft-bodied plant lice
  544. Aphidoidea
    plant lice
  545. Aphis
    type genus of the Aphididae: injurious to fruit trees and vegetables
  546. Aphriza
    a genus of Scolopacidae
  547. Aphrophora
    a genus of Cercopidae
  548. Aphyllanthaceae
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Aphyllanthes
  549. Aphyllanthes
    one species
  550. Aphyllophorales
    includes chiefly saprophytic fungi typically with shelflike bodies; sometimes placed in class Hymenomycetes or included in Agaricales
  551. Apiaceae
    plants having flowers in umbels: parsley
  552. Apidae
    honeybees; carpenter bees; bumblebees
  553. Apios
    twining perennial North American plants
  554. Apis
    type genus of the Apidae: honeybees
  555. Apium
    celery
  556. Aplacophora
    an order of Amphineura
  557. Aplectrum
    a monocotyledonous genus of the family Orchidaceae
  558. Aplodontia
    type genus of the Aplodontiidae: comprising the mountain beavers
  559. Aplodontiidae
    mountain beavers
  560. Aplysia
    type genus of the family Aplysiidae
  561. Aplysiidae
    sea hares
  562. Apocynaceae
    chiefly tropical trees or shrubs or herbs having milky juice and often showy flowers; many are sources of drugs
  563. Apocynum
    perennial herbs with small pink or white flowers
  564. Apodemus
    Old World field mice
  565. Apodidae
    swifts
  566. Apodiformes
    swifts; hummingbirds
  567. Apogon
    type genus of the Apogonidae
  568. Apogonidae
    bright-colored marine fishes that incubate eggs in the mouth
  569. Apoidea
    bees
  570. Aporocactus
    small genus of epiphytic cacti of Mexico
  571. apparel chain
    a chain of clothing stores
  572. apparel industry
    makers and sellers of fashionable clothing
  573. appeal board
    a board of officials that are not judicial but are appointed to hear appeals
  574. appeals board
    a board of officials that are not judicial but are appointed to hear appeals
  575. appeals court
    a court whose jurisdiction is to review decisions of lower courts or agencies
  576. appellate court
    a court whose jurisdiction is to review decisions of lower courts or agencies
  577. appointment
    a meeting arranged in advance
  578. Aptenodytes
    large penguins
  579. Apterygidae
    coextensive with the order Apterygiformes
  580. Apterygiformes
    a ratite bird order: flightless ground birds having vestigial wings and long bills and small eyes: kiwis
  581. Apus
    a constellation in the polar region of the southern hemisphere near Octans
  582. Aquifoliaceae
    widely distributed shrubs and trees
  583. Aquila
    a constellation in the Milky Way near Cygnus
  584. Ar Rimsal
    a desert in southern Saudi Arabia
  585. Ara
    a constellation in the southern hemisphere near Telescopium and Norma
  586. Arab League
    an international organization of independent Arab states formed in 1945 to promote cultural and economic and military and political and social cooperation
  587. Arab Revolutionary Brigades
    a Palestinian international terrorist organization that split from the PLO in 1974; has conducted terrorist attacks in 20 countries
  588. Arab-Berbers
    an ethnic minority descended from Berbers and Arabs and living in northern Africa
  589. Arabian Desert
    a desert on the Arabian Peninsula in southwestern Asia
  590. Arabidopsis
    a genus of the mustard family having white or yellow or purplish flowers; closely related to genus Arabis
  591. Arabis
    annual to perennial woody herbs of temperate North America, Europe and Asia: rockcress
  592. Araceae
    anthurium; calla lily; jack-in-the-pulpit; philodendron
  593. Arachis
    a genus of plants with pods that ripen underground
  594. Arachnida
    a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings
  595. Arales
    Araceae; Lemnaceae
  596. Araliaceae
    mostly tropical trees and shrubs and lianas: genera Panax and Hedera
  597. Aramus
    genus of large brown long-billed wading birds found in warm swampy regions of the western hemisphere: courlan; limpkin
  598. Aranea
    a genus of orb-weaving spiders including common garden spiders and barn spiders
  599. Araneae
    spiders
  600. Araneida
    spiders
  601. Araneus
    a genus of orb-weaving spiders including common garden spiders and barn spiders
  602. araucaria family
    tall evergreen cone-bearing trees of South America and Australia with broad leathery leaves; in some classifications included in the Pinaceae
  603. Araucariaceae
    tall evergreen cone-bearing trees of South America and Australia with broad leathery leaves; in some classifications included in the Pinaceae
  604. Araujia
    small genus of South American evergreen vines
  605. Arca
    type genus of the family Arcidae: ark shells and blood clams
  606. Arcado-Cyprians
    the ancient Greek inhabitants of Achaea
  607. Arcellidae
    soil and freshwater protozoa; cosmopolitan in distribution
  608. Arceuthobium
    genus of chiefly American plants parasitic on conifers
  609. Archaeornithes
    primitive reptile-like fossil birds of the Jurassic or early Cretaceous
  610. Archiannelida
    a class of Annelida
  611. Archidiskidon
    a genus of Elephantidae
  612. Archilochus
    a genus of Trochilidae
  613. Archosargus
    a genus of Sparidae
  614. Archosauria
    a large subclass of diapsid reptiles including: crocodiles
  615. Arcidae
    ark shells
  616. Arctictis
    binturongs
  617. Arctiidae
    tiger moths
  618. Arctium
    burdock
  619. Arctocebus
    a genus of Lorisidae
  620. Arctocephalus
    fur seals
  621. Arctonyx
    a genus of Mustelidae
  622. Arctostaphylos
    bearberry; manzanita
  623. Arctotis
    herbs and subshrubs: African daisy
  624. ARDA
    an agency of the Intelligence Community that conducts advanced research and development related to information technology
  625. Ardea
    type genus of the Ardeidae: large New and Old World herons
  626. Ardeidae
    herons; egrets; night herons; bitterns
  627. Ardisia
    tropical evergreen subshrubs (some climbers) to trees of Asia and Australasia to Americas
  628. Arecaceae
    chiefly tropical trees and shrubs and vines usually having a tall columnar trunk bearing a crown of very large leaves; coextensive with the order Palmales
  629. Arecidae
    one of four subclasses or superorder of Monocotyledones
  630. Arenaria
    turnstones
  631. Arenga
    a genus of tropical Asian and Malaysian palm trees
  632. Areopagus
    a hill to the to the west of the Athenian acropolis where met the highest governmental council of ancient Athens and later a judicial court
  633. Argasidae
    soft ticks
  634. Argentina
    a republic in southern South America
  635. Argentinidae
    small marine soft-finned fishes with long silvery bodies
  636. Argiope
    the type genus of Argiopidae
  637. Argiopidae
    spiders that spin orb webs; cosmopolitan in distribution
  638. Argonauta
    type genus of the family Argonautidae: paper nautilus
  639. Argonautidae
    represented solely by the genus Argonauta
  640. argosy
    one or more large merchant ships
  641. Argusianus
    argus pheasants
  642. Argynnis
    fritillaries
  643. Argyranthemum
    comprises plants often included in the genus Chrysanthemum
  644. Argyreia
    woody climbers of tropical Asia to Australia
  645. Argyrotaenia
    orange tortrix
  646. Argyroxiphium
    small genus of Hawaiian spreading and rosette-forming shrubs
  647. Ariidae
    sea catfishes
  648. Arilus
    a genus of Reduviidae
  649. Ariocarpus
    slow-growing geophytic cacti
  650. Ariomma
    a genus of Stromateidae
  651. Arisaema
    tuberous or rhizomatous herbaceous perennials
  652. Arisarum
    tuberous or rhizomatous perennial herbs
  653. aristocracy
    a privileged class holding hereditary titles
  654. Aristolochia
    birthworts; Dutchman's-pipe
  655. Aristolochiaceae
    family of birthworts (including wild ginger)
  656. Aristolochiales
    order of plants distinguished by tubular petaloid perianth and inferior ovary
  657. Aristotelia
    small genus of shrubs or small trees of Australia and New Zealand and western South America
  658. arithmetic progression
    an order in which the difference between consecutive terms is a constant value
  659. Arius
    a Greek who was a Christian theologian active in Alexandria and who was declared a heretic for his doctrines about God (which came to be known as Arianism) (256?-336)
  660. Arizona
    a state in southwestern United States
  661. arm
    a human limb
  662. armada
    a large fleet
  663. Armadillidiidae
    pill bugs
  664. Armadillidium
    type genus of the Armadillidiidae
  665. armamentarium
    the collection of equipment and methods used in the practice of medicine
  666. Armata Corsa
    a terrorist organization founded in 1999 to oppose the link between nationalists and the Corsican mafia
  667. armed forces
    the military forces of a nation
  668. Armed Islamic Group
    a terrorist organization of Islamic extremists whose violent activities began in 1992; aims to overthrow the secular Algerian regime and replace it with an Islamic state
  669. armed service
    a force that is a branch of the armed forces
  670. armed services
    the military forces of a nation
  671. Armenian Apostolic Orthodox Church
    an independent Christian church established in Armenia since 300; was influenced by both Roman and Byzantine traditions
  672. Armenian Church
    an independent Christian church established in Armenia since 300; was influenced by both Roman and Byzantine traditions
  673. Armenian Secret Army for the Liberation of Armenia
    a militant Marxist-Leninist terrorist organization formed in 1975 to force Turkey to acknowledge killing more than a million Armenians and forcibly removing them from border areas in 1915; wants Turkey to pay reparations and cede territory to Armenia
  674. Armeria
    shrubby or herbaceous low-growing evergreen perennials
  675. Armillaria
    genus of edible mushrooms having white spores an annulus and blue juice; some are edible; some cause root rot
  676. Armillariella
    a honey-colored diminutive form of genus Armillaria
  677. Arminian Baptist
    group of Baptist congregations believing the teachings of the Dutch theologian Jacobus Arminius (who opposed the doctrine of strict predestination of the Calvinists)
  678. Arminian Church
    the Protestant denomination adhering to the views of Jacobus Arminius
  679. armor
    protective covering made of metal and used in combat
  680. Armoracia
    horseradish
  681. armorer
    a worker skilled in making armor or arms
  682. armour
    protective covering made of metal and used in combat
  683. armourer
    a worker skilled in making armor or arms
  684. arms industry
    an industry that manufacturers weapons of war
  685. army
    a permanent organization of a nation's military land forces
  686. army corps
    an army unit usually consisting of two or more divisions and their support
  687. Army for the Liberation of Rwanda
    a terrorist organization that seeks to overthrow the government dominated by Tutsi and to institute Hutu control again
  688. Army High Performance Computing Research Center
    a United States defense laboratory to conduct research in high-performance computing for defense technology applications; a partnership of government and university and industry
  689. Army Intelligence
    an agency of the United States Army responsible for providing timely and relevant and accurate and synchronized intelligence to tactical and operational and strategic level commanders
  690. Army National Guard
    a civilian reserve component of the United States Army comprised of guardsmen who serve during overseas peacekeeping missions and during local emergencies
  691. Army of Muhammad
    a terrorist organization founded in 2000
  692. Army of the Confederacy
    the southern army during the American Civil War
  693. Army of the Pure
    a brutal terrorist group active in Kashmir
  694. Army of the Righteous
    a brutal terrorist group active in Kashmir
  695. army unit
    a military unit that is part of an army
  696. ARNG
    a civilian reserve component of the United States Army comprised of guardsmen who serve during overseas peacekeeping missions and during local emergencies
  697. Arnoseris
    lamb succory
  698. arrangement
    an orderly grouping considered as a unit
  699. array
    an impressive display or assortment
  700. Arrhenatherum
    oat grass
  701. arrow-grass family
    a family of monocotyledonous bog herbs of order Naiadales
  702. arrowroot family
    tropical perennial herbs with usually starchy rhizomes
  703. arsenic group
    the univalent group derived from arsine
  704. art collection
    a collection of art works
  705. art deco
    a style of design that was popular in the 1920s and 1930s
  706. art department
    the academic department responsible for teaching art and art appreciation
  707. art exhibition
    an exhibition of art objects (paintings or statues)
  708. art movement
    a group of artists who agree on general principles
  709. art nouveau
    a French school of art and architecture popular in the 1890s
  710. Artamidae
    wood swallows
  711. Artamus
    type genus of the Artamidae
  712. Artemia
    fairy shrimp; brine shrimp
  713. arthropod family
    any of the arthropods
  714. arthropod genus
    a genus of arthropods
  715. Arthropoda
    jointed-foot invertebrates: arachnids
  716. Arthropteris
    tropical and subtropical Old World epiphytic or lithophytic ferns
  717. artillery
    large but transportable armament
  718. artillery unit
    an army unit that uses big guns
  719. Artiodactyla
    an order of hooved mammals of the subclass Eutheria (including pigs and peccaries and hippopotami and members of the suborder Ruminantia) having an even number of functional toes
  720. artistic movement
    a group of artists who agree on general principles
  721. Artocarpus
    evergreen Asiatic trees now grown through the tropics: breadfruit; jackfruit
  722. arum family
    anthurium; calla lily; jack-in-the-pulpit; philodendron
  723. Arundinaria
    North American bamboo
  724. Arundo
    any of several coarse tall perennial grasses of most warm areas: reeds
  725. Arvicola
    in some classifications considered synonymous with Microtus
  726. ASALA
    a militant Marxist-Leninist terrorist organization formed in 1975 to force Turkey to acknowledge killing more than a million Armenians and forcibly removing them from border areas in 1915; wants Turkey to pay reparations and cede territory to Armenia
  727. Asarum
    wild ginger
  728. Asbat al-Ansar
    an extremist Palestinian Sunni group active in Lebanon in the early 1990s that advocates Salafism; responsible for murders and bombings; seeks to overthrow the Lebanese government and control Palestinian refugee camps; funded by al-Qaeda
  729. Ascaphidae
    family of one species of frog: tailed frog
  730. Ascaphus
    type genus of the Ascaphidae
  731. Ascaridae
    large roundworms parasitic in intestines of vertebrates
  732. Ascaridia
    roundworm having a preanal sucker
  733. Ascaris
    type genus of the family Ascaridae: roundworms with a three-lipped mouth
  734. Aschelminthes
    unsegmented worms: roundworms; threadworms; eelworms
  735. Ascidiaceae
    sometimes classified as an order: sea squirts
  736. Asclepiadaceae
    widely distributed family of herbs and shrubs of the order Gentianales; most with milky juice
  737. Asclepias
    genus of chiefly North American perennial herbs: silkweed
  738. Ascomycetes
    large class of higher fungi coextensive with division Ascomycota: sac fungi
  739. Ascomycota
    a large subdivision of Eumycota including Hemiascomycetes and Plectomycetes and Pyrenomycetes and Discomycetes; sac fungi; in some classification systems considered a division of the kingdom Fungi
  740. Ascomycotina
    a large subdivision of Eumycota including Hemiascomycetes and Plectomycetes and Pyrenomycetes and Discomycetes; sac fungi; in some classification systems considered a division of the kingdom Fungi
  741. Ascophyllum
    brown algae distinguished by compressed or inflated branchlets along the axis
  742. ASEAN
    an association of nations dedicated to economic and political cooperation in southeastern Asia and who joined with the United States to fight against global terrorism
  743. Ash Can
    early 20th-century United States painting
  744. Ashcan School
    a group of United States painters founded in 1907 and noted for their realistic depictions of sordid aspects of city life
  745. Asia
    the largest continent with 60% of the earth's population
  746. Asian seabass
    a species of large perch noted for its sporting and eating qualities; lives in marine, estuary, and freshwater habitats
  747. Asilidae
    robber flies
  748. Asimina
    pawpaw
  749. Asio
    a genus of European owls
  750. Aspalathus
    genus of South African heathlike shrubs
  751. Asparagaceae
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae: includes genera Asparagus and sometimes Ruscus
  752. Aspergillaceae
    family of fungi including some common molds
  753. Aspergillales
    order of fungi having a closed ascocarp (cleistothecium) with the asci scattered rather than gathered in a hymenium
  754. Aspergillus
    genus of common molds causing food spoilage and some pathogenic to plants and animals
  755. Asperula
    woodruff
  756. Asphodelaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae
  757. Asphodeline
    genus of rhizomatous perennial or biennial herbs with numerous sometimes fragrant flowers in long cylindrical racemes; Mediterranean region to Caucasus; sometimes placed in family Asphodelaceae
  758. Asphodelus
    small genus of tall striking annuals or perennials with grasslike foliage and flowers in dense racemes or panicles; Mediterranean to Himalayas; sometimes placed in family Asphodelaceae
  759. Aspidelaps
    African coral snakes
  760. Aspidiotus
    a genus of Diaspididae
  761. Aspidophoroides
    alligatorfishes
  762. Aspis
    horned vipers
  763. Aspleniaceae
    one of a number of families into which Polypodiaceae has been subdivided in some classification systems; includes genera Asplenium, Pleurosorus, Schaffneria
  764. Asplenium
    in some classification systems placed in family Polypodiaceae
  765. assemblage
    several things grouped together or considered as a whole
  766. Assemblies of God
    a charismatic Protestant denomination in the United States
  767. assembly
    a group of persons gathered together for a common purpose
  768. assizes
    the county courts of England
  769. association
    a formal organization of people or groups of people
  770. Association for the Advancement of Retired Persons
    an association of people to promote the welfare of senior citizens
  771. Association of Islamic Groups and Communities
    a Turkish terrorist group of fundamentalist Muslims with ties to al-Qaeda that operates in Germany; seeks the violent overthrow of the Turkish government and the establishment of an Islamic nation modeled on Iran
  772. Association of Orangemen
    a Protestant political organization in Northern Ireland
  773. Association of Southeast Asian Nations
    an association of nations dedicated to economic and political cooperation in southeastern Asia and who joined with the United States to fight against global terrorism
  774. assortment
    the act of distributing things into classes of the same type
  775. Astacidae
    crayfish
  776. Astacura
    crayfish
  777. Astacus
    type genus of the family Astacidae; Old World crayfish
  778. astatine
    a highly unstable radioactive element
  779. aster family
    plants with heads composed of many florets: aster
  780. Asteraceae
    plants with heads composed of many florets: aster
  781. asterid dicot family
    family of more or less advanced dicotyledonous herbs and some trees and shrubs
  782. asterid dicot genus
    genus of more or less advanced dicotyledonous herbs and some trees and shrubs
  783. Asteridae
    a group of mostly sympetalous herbs and some trees and shrubs mostly with 2 fused carpels; contains 43 families including Campanulales; Solanaceae; Scrophulariaceae; Labiatae; Verbenaceae; Rubiaceae; Compositae; sometimes classified as a superorder
  784. Asteroidea
    sea stars
  785. Astragalus
    large genus of annual or perennial herbs or shrubs of north temperate regions; largest genus in the family Leguminosae
  786. Astreus
    a genus of fungi belonging to the family Geastraceae
  787. Astroloma
    evergreen shrubs of Australia and Tasmania
  788. Astronium
    a genus of dicotyledonous plants of the family Anacardiaceae
  789. Astrophyton
    includes many of the basket stars
  790. Astropogon
    a genus of fish of the family Apogonidae
  791. At
    a highly unstable radioactive element
  792. at home
    at, to, or toward the place where you reside
  793. Atacama Desert
    a desert in northern Chile rich in nitrate and copper deposits
  794. Ateles
    spider monkeys
  795. ATF
    the law enforcement and tax collection agency of the Treasury Department that enforces federal laws concerning alcohol and tobacco products and firearms and explosives and arson
  796. athenaeum
    a literary or scientific association for the promotion of learning
  797. Athene
    goddess of wisdom and useful arts and prudent warfare
  798. atheneum
    a literary or scientific association for the promotion of learning
  799. Atherinidae
    small spiny-finned fishes of both salt and fresh water
  800. Atherinopsis
    a genus of Atherinidae
  801. Atherurus
    a genus of Hystricidae
  802. Athiorhodaceae
    small motile sulphur bacteria
  803. Athrotaxis
    a genus of gymnosperm
  804. Athyriaceae
    alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
  805. Athyrium
    temperate and tropical lady ferns
  806. Atomic Energy Commission
    a former executive agency (from 1946 to 1974) that was responsible for research into atomic energy and its peacetime uses in the United States
  807. atomic number 17
    a chemical commonly used to purify water or to disinfect
  808. atomic number 35
    a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water
  809. atomic number 53
    a nonmetallic element belonging to the halogens
  810. atomic number 85
    a highly unstable radioactive element
  811. atomic number 9
    a nonmetallic univalent element belonging to the halogens
  812. atomic spectrum
    (physics) a spectrum of radiation caused by electron transitions within an atom; the series of spectrum lines is characteristic of the element
  813. Atrichornis
    type genus of the Atrichornithidae
  814. Atrichornithidae
    scrubbirds
  815. Atriplex
    orach; saltbush
  816. Atropa
    belladonna
  817. Atropidae
    booklice
  818. Attalea
    unarmed feather palms of central and northern South America
  819. attendance
    the act of being present at a meeting or event
  820. Atticus
    atlas moth
  821. attributive genitive
    a word in the genitive case used as an attributive adjective
  822. attributive genitive case
    a word in the genitive case that is used as an attributive adjective
  823. AUC
    a terrorist organization in Colombia formed in 1997 as an umbrella for local and regional paramilitary groups; is financed by earnings from narcotics and serves to protect the economic interests of its members
  824. auction house
    a firm that conducts auctions
  825. Aucuba
    hardy evergreen dioecious shrubs and small trees from Japan
  826. audience
    a gathering of spectators or listeners at a performance
  827. Augustinian Canons
    an Augustinian monastic order
  828. Augustinian Hermits
    a monastic order of friars established in 1256 by the Pope
  829. Augustinian order
    any of several monastic orders observing a rule derived from the writings of St. Augustine
  830. Aulacorhyncus
    a genus of Ramphastidae
  831. Aulostomidae
    trumpetfishes
  832. Aulostomus
    type genus of the Aulostomidae
  833. Aum
    a terrorist organization whose goal is to take over Japan and then the world; based on a religion founded in 1987 that combines elements of Buddhism with Christianity
  834. Aum Shinrikyo
    a terrorist organization whose goal is to take over Japan and then the world; based on a religion founded in 1987 that combines elements of Buddhism with Christianity
  835. Aureolaria
    small genus of North American herbs often root-parasitic and bearing golden-yellow flowers; sometimes placed in genus Gerardia
  836. Auricularia
    type genus of the Auriculariaceae
  837. Auriculariaceae
    fungi having gelatinous sporophores
  838. Auriculariales
    coextensive with the family Auriculariaceae
  839. Auriparus
    a genus of Paridae
  840. Austin Friars
    an Augustinian monastic order
  841. Australian Aborigine
    a dark-skinned member of a race of people living in Australia when Europeans arrived
  842. Australian arowana
    a species of large fish found in Australian rivers
  843. Australian bonytongue
    a species of large fish found in Australian rivers
  844. Australian Desert
    general name given to all desert areas in Australia
  845. Australian Labor Party
    the oldest political party in Australia, founded in 1891
  846. Australian lungfish
    an endangered species of lungfish found in rivers in Queensland
  847. Australopithecus
    extinct genus of African hominid
  848. Austrocedrus
    one species; formerly included in genus Libocedrus
  849. Austrotaxus
    a gymnosperm genus having one species: New Caledonian yew
  850. autarchy
    a political system governed by a single individual
  851. authoritarian regime
    a government that concentrates political power in an authority not responsible to the people
  852. authoritarian state
    a government that concentrates political power in an authority not responsible to the people
  853. authoritarianism
    government in which the ruler is an absolute dictator
  854. authorities
    the organization that is the governing authority of a political unit
  855. authority
    the power or right to give orders or make decisions
  856. auto company
    a company that makes and sells automobiles
  857. auto maker
    a business engaged in the manufacture of automobiles
  858. auto manufacturer
    a business engaged in the manufacture of automobiles
  859. autocracy
    a theory favoring unlimited authority by an individual
  860. Autodefensas Unidas de Colombia
    a terrorist organization in Colombia formed in 1997 as an umbrella for local and regional paramilitary groups; is financed by earnings from narcotics and serves to protect the economic interests of its members
  861. automaker
    a business engaged in the manufacture of automobiles
  862. Automeris
    io moth
  863. automobile industry
    the manufacturers of automobiles considered collectively
  864. automobile traffic
    cars coming and going
  865. auxiliary cell
    a terrorist cell responsible for logistics
  866. auxiliary verb
    a verb that combines with another verb in a verb phrase to help form tense, mood, voice, or condition of the verb it combines with
  867. Avahi
    a genus of Indriidae
  868. avant-garde
    radically new or original
  869. Avena
    oats
  870. Averrhoa
    trees native to East Indies having pinnate leaves: carambolas
  871. Aves
    (ornithology) the class of birds
  872. aviation
    the art of operating aircraft
  873. Avicennia
    small genus of tropical shrubs or trees
  874. Avicenniaceae
    used in some classifications: coextensive with the genus Avicennia
  875. avifauna
    the birds of a particular region or period
  876. axis
    a straight line through a body or figure
  877. Aythya
    canvasback; redhead; pochard; etc.
  878. Azadirachta
    genus of large important East Indian trees: neem trees
  879. Azaleastrum
    group of evergreen or deciduous shrubs formerly considered a separate genus; now included in the genus Rhododendron
  880. Azeri
    an ethnic group living in Azerbaijan
  881. azido group
    the univalent group N3- derived from hydrazoic acid
  882. azido radical
    the univalent group N3- derived from hydrazoic acid
  883. azo group
    the bivalent group -N=N- united to two hydrocarbon groups
  884. azo radical
    the bivalent group -N=N- united to two hydrocarbon groups
  885. Azolla
    a genus of fern sometimes placed in its own family Azollaceae
  886. Azollaceae
    used in some classifications for the genus Azolla
  887. Baader Meinhof Gang
    a radical left-wing revolutionary terrorist group active in Germany from 1968 until 1977
  888. Baader-Meinhof Gang
    a radical left-wing revolutionary terrorist group active in Germany from 1968 until 1977
  889. Babesiidae
    piroplasms and cattle pathogens
  890. baby boom
    generation in United States born shortly after World War II
  891. baby tears
    prostrate or creeping Corsican herb with moss-like small round short-stemmed leaves
  892. baby's tears
    prostrate or creeping Corsican herb with moss-like small round short-stemmed leaves
  893. baby-boom generation
    the larger than expected generation in United States born shortly after World War II
  894. Babyrousa
    a genus of Suidae
  895. Baccharis
    shrubs of western hemisphere often having honey-scented flowers followed by silky thistlelike heads of tiny fruits; often used for erosion control
  896. bachelor party
    stag party held for a bachelor
  897. Bacillaceae
    typically rod-shaped usually Gram-positive bacteria that produce endospores
  898. Bacillariophyceae
    marine and freshwater eukaryotic algae: diatoms
  899. backfield
    the offensive football players who line up behind the linemen
  900. backlog
    an accumulation of jobs not done or materials not processed
  901. bacteria family
    a family of bacteria
  902. bacteria genus
    a genus of bacteria
  903. bacteria order
    an order of bacteria
  904. bacteria species
    a species of bacteria
  905. Bacteroidaceae
    family of bacteria living usually in the alimentary canal or on mucous surfaces of warm-blooded animals; sometimes associated with acute infective processes
  906. Bacteroides
    type genus of Bacteroidaceae
  907. baffled
    perplexed by many conflicting situations or statements
  908. Baiomys
    pygmy mice
  909. Bairdiella
    drumfish
  910. Balaena
    type genus of the Balaenidae: Greenland whales
  911. Balaeniceps
    type genus of the Balaenicipitidae: shoebills
  912. Balaenicipitidae
    shoebills
  913. Balaenidae
    right whales
  914. Balaenoptera
    type genus of the Balaenopteridae
  915. Balaenopteridae
    rorquals; blue whales
  916. Balanidae
    stalkless barnacles
  917. Balanus
    type genus of the family Balanidae
  918. Balistes
    type genus of the Balistidae
  919. Balistidae
    triggerfishes
  920. ball
    an object with a spherical shape
  921. ball club
    a team of professional baseball players who play and travel together
  922. ballet company
    a company that produces ballets
  923. Ballistic Missile Defense Organization
    an agency in the Department of Defense that is responsible for making ballistic missile defense a reality
  924. Ballota
    perennial herbs or subshrubs of especially Mediterranean area: black horehound
  925. balsam family
    distinguished from the family Geraniaceae by the irregular flowers
  926. Balsaminaceae
    distinguished from the family Geraniaceae by the irregular flowers
  927. Balsamorhiza
    genus of coarse western American herbs with large roots containing an aromatic balsam
  928. Bambusa
    tall tender clumping bamboos
  929. Bambuseae
    bamboos
  930. banana family
    treelike tropical Asian herbs
  931. band
    an unofficial association of people or groups
  932. Band of Partisans
    an extremist Palestinian Sunni group active in Lebanon in the early 1990s that advocates Salafism; responsible for murders and bombings; seeks to overthrow the Lebanese government and control Palestinian refugee camps; funded by al-Qaeda
  933. Bangiaceae
    a family of protoctist
  934. bank
    financial institution that accepts deposits and lends money
  935. bank holding company
    a holding company owning or controlling one or more banks
  936. Bank of England
    the central bank of England and Wales
  937. Bank of Japan
    the central bank of Japan
  938. Bankia
    giant shipworms
  939. banking company
    a financial institution that accepts deposits and channels the money into lending activities
  940. banking concern
    a financial institution that accepts deposits and channels the money into lending activities
  941. banking industry
    banks collectively
  942. banking system
    banks collectively
  943. banquet
    a ceremonial dinner party for many people
  944. Baphia
    small genus of shrubs and lianas and trees of Africa and Madagascar
  945. Baptisia
    genus of North American plants with showy flowers and an inflated pod
  946. Baptist Church
    any of various evangelical Protestant churches that believe in the baptism of voluntary believers
  947. Baptist denomination
    group of Baptist congregations
  948. Baptists
    any of various evangelical Protestant churches that believe in the baptism of voluntary believers
  949. bar
    a rigid piece of metal or wood
  950. Barbarea
    biennial or perennial herbs of north temperate regions: winter cress
  951. barberry family
    shrubs or herbs
  952. barbershop quartet
    an unaccompanied quartet of (usually male) voices singing sentimental songs in four-part harmony
  953. baronage
    the peers of a kingdom considered as a group
  954. baronetage
    the state of a baronet
  955. barramundi
    a species of large perch noted for its sporting and eating qualities; lives in marine, estuary, and freshwater habitats
  956. Bartle Frere
    a living fossil or so-called `green dinosaur'
  957. Bartramia
    a genus of Scolopacidae
  958. Base
    a terrorist network intensely opposed to the United States that dispenses money and logistical support and training to a wide variety of radical Islamic terrorist groups; has cells in more than 50 countries
  959. baseball club
    a team of professional baseball players who play and travel together
  960. baseball league
    a league of baseball teams
  961. baseball team
    a team that plays baseball
  962. Basidiomycetes
    large class of higher fungi coextensive with subdivision Basidiomycota
  963. Basidiomycota
    comprises fungi bearing the spores on a basidium
  964. Basidiomycotina
    comprises fungi bearing the spores on a basidium
  965. Basiliscus
    a reptile genus of Iguanidae
  966. basketball league
    a league of basketball teams
  967. basketball team
    a team that plays basketball
  968. Basque Fatherland and Liberty
    a terrorist organization organized in 1959 by student activists who were dissatisfied with the moderate nationalism of the traditional Basque party; want to create an independent homeland in Spain's western Pyrenees
  969. Basque Homeland and Freedom
    a terrorist organization organized in 1959 by student activists who were dissatisfied with the moderate nationalism of the traditional Basque party; want to create an independent homeland in Spain's western Pyrenees
  970. Bassariscidae
    in some classifications considered a separate family
  971. Bassariscus
    cacomistles
  972. Bassia
    summer cypress
  973. bastion
    projecting part of a rampart or other fortification
  974. batch
    a collection of things or persons to be handled together
  975. Bathyergidae
    mole rats; sand rats
  976. Bathyergus
    mole rats
  977. Batidaceae
    family coextensive with genus Batis: saltworts
  978. Batis
    small genus of plants constituting the family Batidaceae: low straggling dioecious shrubs
  979. Batoidei
    fish with dorsoventrally flattened bodies
  980. Batrachia
    frogs, toads, tree toads
  981. Batrachoididae
    toadfishes; related to anglers and batfishes
  982. Batrachoseps
    slender salamanders
  983. battalion
    an army unit consisting of a headquarters and companies
  984. battery
    a collection of related things intended for use together
  985. battle fleet
    a fleet of warships prepared for battle
  986. battle group
    an army unit usually consisting of five companies
  987. Bauhinia
    mountain ebony, orchid tree
  988. bay wreath
    (antiquity) a wreath of laurel foliage worn on the head as an emblem of victory
  989. beads
    several beads threaded together on a string
  990. bean-caper family
    small trees, shrubs, and herbs of warm arid and saline regions; often resinous; some poisonous: genera Zygophyllum, Tribulus, Guaiacum, Larrea
  991. beanfeast
    a festive occasion, usually including a meal
  992. bear market
    a prolong period of falling prices for stock indices
  993. Bearer of the Sword
    a small gang of terrorist thugs claiming to seek a separate Islamic state for the Muslim minority in the Philippines; uses bombing and assassination and extortion and kidnapping
  994. beat generation
    a United States youth subculture of the 1950s
  995. Beatles
    a rock group from Liverpool who between 1962 and 1970 produced a variety of hit songs and albums (most of them written by Paul McCartney and John Lennon)
  996. beatniks
    a United States youth subculture of the 1950s
  997. beats
    a United States youth subculture of the 1950s
  998. beau monde
    the fashionable elite
  999. Beaumontia
    small genus of evergreen woody vines in the East Indies and Asia
  1000. bedroom set
    a suite of furniture for the bedroom
  1001. bedroom suite
    a suite of furniture for the bedroom
  1002. bee
    a hairy-bodied insect including social and solitary species
  1003. beech family
    chiefly monoecious trees and shrubs: beeches
  1004. begonia family
    monoecious succulent herbs or shrubs of tropical and warm regions especially America
  1005. Begoniaceae
    monoecious succulent herbs or shrubs of tropical and warm regions especially America
  1006. Belamcanda
    a monocotyledonous genus of the family Iridaceae
  1007. Belemnitidae
    family of extinct Mesozoic cephalopods
  1008. Belemnoidea
    order of extinct dibranchiate cephalopods related to the surviving spirulas
  1009. bellflower family
    family of plants of the order Campanulales
  1010. Bellis
    daisy
  1011. Belonidae
    ferocious fishes of warm regions resembling but unrelated to the freshwater gars
  1012. Belostomatidae
    water bugs
  1013. Bemisia
    sweet-potato whitefly
  1014. bench
    a long seat for more than one person
  1015. Benedictine order
    a Roman Catholic monastic order founded in the 6th century
  1016. benefactive role
    the semantic role of the intended recipient who benefits from the happening denoted by the verb in the clause
  1017. beneficiary
    the recipient of funds or other advantages
  1018. Benelux
    a customs union comprising Belgium and Netherlands and Luxembourg
  1019. Bengali
    of or relating to or characteristic of Bengal or its people
  1020. Bennettitaceae
    a family of fossil gymnospermous plants of the Carboniferous
  1021. Bennettitales
    fossil gymnospermous plants of the Carboniferous
  1022. Bennettitis
    type of the Bennettitales
  1023. bent
    stooped (used of the back and knees)
  1024. Benzoin
    used in some classifications for the American spicebush and certain other plants often included in the genus Lindera
  1025. benzoyl group
    the univalent radical derived from benzoic acid
  1026. benzoyl radical
    the univalent radical derived from benzoic acid
  1027. benzyl
    the univalent radical derived from toluene
  1028. benzyl group
    the univalent radical derived from toluene
  1029. benzyl radical
    the univalent radical derived from toluene
  1030. Berberidaceae
    shrubs or herbs
  1031. Berberis
    large genus of shrubs of temperate zones of New and Old Worlds
  1032. Berbers
    an ethnic minority descended from Berbers and Arabs and living in northern Africa
  1033. Berteroa
    hoary alyssum
  1034. Bertholletia
    brazil nut
  1035. Berycomorphi
    an order of spiny-finned fish in the superorder Acanthopterygii
  1036. Bessera
    small genus of cormous perennials of Mexico
  1037. Besseya
    genus of North American spring wildflowers
  1038. Beta
    beets
  1039. Bettongia
    jerboa kangaroo
  1040. Betula
    a genus of trees of the family Betulaceae (such as birches)
  1041. Betulaceae
    monoecious trees and shrubs
  1042. bevy
    a flock of birds
  1043. bibliotheca
    a collection of books
  1044. Bibos
    wild ox
  1045. bicycle traffic
    bicycles coming and going
  1046. Bidens
    bur marigolds
  1047. big band
    a large dance or jazz band usually featuring improvised solos by lead musicians
  1048. big business
    commercial enterprises organized and financed on a scale large enough to influence social and political policies
  1049. big dipper
    elevated railway in an amusement park
  1050. big league
    the most important league in any sport (especially baseball)
  1051. Bignonia
    one species: cross vine
  1052. Bignoniaceae
    trees or shrubs or woody vines or herbs having fruit resembling gourds or capsules; sometimes placed in the order Scrophulariales
  1053. bikers
    originally a British youth subculture that evolved out of the teddy boys in the 1960s; wore black leather jackets and jeans and boots; had greased hair and rode motorcycles and listened to rock'n'roll; were largely unskilled manual laborers
  1054. biological group
    a group of plants or animals
  1055. biology
    the science that studies living organisms
  1056. biology department
    the academic department responsible for teaching and research in biology
  1057. biome
    major ecological community with distinct climate and flora
  1058. biota
    all the plant and animal life of a particular region
  1059. biotic community
    (ecology) a group of interdependent organisms inhabiting the same region and interacting with each other
  1060. biotype
    organisms sharing a specified genotype or the genotype (or peculiarities) so shared
  1061. birch family
    monoecious trees and shrubs
  1062. bird family
    a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
  1063. bird genus
    a genus of birds
  1064. birthwort family
    family of birthworts (including wild ginger)
  1065. Biscutella
    genus of Eurasian herbs and small shrubs: buckler mustard
  1066. bit field
    a field containing only binary characters
  1067. Bitis
    a genus of Viperidae
  1068. Bittacidae
    a family of predacious tropical insects of the order Mecoptera
  1069. Bivalvia
    oysters; clams; scallops; mussels
  1070. BJA
    the bureau in the Department of Justice that assists local criminal justice systems to reduce or prevent crime and violence and drug abuse
  1071. BJS
    the agency in the Department of Justice that is the primary source of criminal justice statistics for federal and local policy makers
  1072. Blaberus
    giant cockroaches
  1073. black economy
    a hidden sector of the economy where private cash transactions go unreported
  1074. Black Forest
    a hilly forest region in southwestern Germany
  1075. Black Hand
    a secret terrorist society in the United States early in the 20th century
  1076. black market
    the illegal buying, selling, or trade of goods and services
  1077. Black Panthers
    a militant Black political party founded in 1965 to end political dominance by Whites
  1078. Black race
    a dark-skinned race
  1079. Black Rock Desert
    a desert in northwestern Nevada
  1080. Black September
    a Palestinian international terrorist organization that split from the PLO in 1974; has conducted terrorist attacks in 20 countries
  1081. Black September Movement
    a former Palestinian terrorist organization (now merged with Fatah Revolutionary Council) that assassinated the Prime Minister of Jordan and during the 1972 Olympic Games in Munich killed 11 Israeli athletes
  1082. bladdernut family
    a family of dicotyledonous plants of order Sapindales found mostly in the north temperate zone
  1083. bladderwort family
    carnivorous aquatic or bog plants: genera Utricularia, Pinguicula, and Genlisea
  1084. Blandfordia
    small genus of tuberous Australian perennial herbs
  1085. Blarina
    shrews
  1086. Blastocladia
    a genus of fungi of the family Blastodiaceae
  1087. Blastocladiales
    fungi that carry out asexual reproduction by thick-walled resting spores that produce zoospores upon germination; sometimes placed in class Oomycetes
  1088. Blastodiaceae
    a family of saprobic fungi of order Blastocladiales
  1089. Blastomyces
    genus of pathogenic yeastlike fungi
  1090. Blatta
    type genus of the Blattidae: cockroaches infesting buildings worldwide
  1091. Blattaria
    cockroaches; in some classifications considered an order
  1092. Blattella
    small cockroaches
  1093. Blattidae
    domestic cockroaches
  1094. Blattodea
    cockroaches; in some classifications considered an order
  1095. Blechnaceae
    one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; includes genera Blechnum, Doodia, Sadleria, Stenochlaena, and Woodwardia
  1096. Blechnum
    in some classification systems placed in family Polypodiaceae; terrestrial ferns of cosmopolitan distribution mainly in southern hemisphere: hard ferns
  1097. Blenniidae
    a family of fish including: combtooth blennies
  1098. Blennioidea
    blennies; butterfishes; gunnels
  1099. Blennius
    type genus of the Blenniidae
  1100. Blephilia
    small genus of North American herbs: wood mints
  1101. Bletilla
    small genus of chiefly east Asiatic hardy terrestrial orchids similar to genus Bletia
  1102. Blighia
    small genus of western African evergreen trees and shrubs bearing fleshy capsular three-seeded fruits edible when neither unripe nor overripe
  1103. blind
    unable to see
  1104. blind date
    a date with a stranger
  1105. Blissus
    chinch bugs
  1106. blizzard
    a weather event with widespread snowfall and strong winds
  1107. bloc
    a group united for a particular purpose
  1108. block
    obstruct
  1109. blood
    the fluid that is pumped through the body by the heart
  1110. blood line
    the descendants of one individual
  1111. bloodline
    ancestry of a purebred animal
  1112. bloodstock
    thoroughbred horses (collectively)
  1113. bloodwort family
    some genera placed in family Liliaceae
  1114. Bloomeria
    small genus of bulbous perennial herbs of southwestern United States and Mexico; sometimes placed in family Alliaceae
  1115. Bloomsbury Group
    an inner circle of writers and artists and philosophers who lived in or around Bloomsbury early in the 20th century and were noted for their unconventional lifestyles
  1116. blue
    of the color intermediate between green and violet
  1117. blue ribbon commission
    an independent and exclusive commission of nonpartisan statesmen and experts formed to investigate some important governmental issue
  1118. blue ribbon committee
    an independent and exclusive commission of nonpartisan statesmen and experts formed to investigate some important governmental issue
  1119. blue ribbon jury
    a jury whose members are selected for special knowledge for a case involving complicated issues
  1120. BMDO
    an agency in the Department of Defense that is responsible for making ballistic missile defense a reality
  1121. board
    a stout length of sawn timber
  1122. board meeting
    a meeting for administrative purposes
  1123. board of appeals
    a board of officials that are not judicial but are appointed to hear appeals
  1124. board of directors
    a group of persons chosen to govern the affairs of a corporation or other large institution
  1125. board of education
    a board in charge of local public schools
  1126. board of regents
    a committee of university officers who have general supervision over the welfare and conduct of students
  1127. board of selectmen
    a board of officials elected to administer the public business of a New England town
  1128. board of trustees
    a governing board elected or appointed to direct the policies of an educational institution
  1129. boarding school
    a private school where students are lodged and fed
  1130. boat club
    club that promotes and supports yachting and boating
  1131. body
    an individual 3-dimensional object that has mass
  1132. body politic
    a politically organized body of people under a single government
  1133. bodyguard
    someone who escorts and protects a prominent person
  1134. Boehmeria
    false nettle
  1135. bohemia
    a group of artists and writers with real or pretended artistic or intellectual aspirations and usually an unconventional life style
  1136. Boidae
    boas and pythons
  1137. Bolbitis
    terrestrial or less than normally scandent ferns of tropical regions of northern hemisphere
  1138. Boletaceae
    family of fleshy fungi having the germ pores easily separating from the cup and often from each other
  1139. Boletellus
    a genus of fungi belonging to the family Boletaceae
  1140. Boletus
    type genus of Boletaceae
  1141. Bollywood
    the film industry of India
  1142. Bolshevism
    Soviet communism
  1143. Boltonia
    genus of tall leafy perennial herbs of eastern America and eastern Asia having flowers that resemble asters
  1144. Bomarea
    large genus of tropical American vines having showy often spotted umbellate flowers; sometimes placed in family Liliaceae especially subfamily Alstroemeriaceae
  1145. Bombacaceae
    tropical trees with large dry or fleshy fruit containing usually woolly seeds
  1146. Bombax
    trees of chiefly South America
  1147. bomber aircrew
    the crew of a bomber
  1148. bomber crew
    the crew of a bomber
  1149. Bombina
    fire-bellied toads
  1150. Bombus
    bumblebees
  1151. Bombycidae
    Chinese silkworm moth
  1152. Bombycilla
    waxwings
  1153. Bombycillidae
    a family of birds of the suborder Oscines
  1154. Bombyliidae
    bee flies
  1155. Bombyx
    type genus of the Bombycidae: Chinese silkworm moth
  1156. bon ton
    the fashionable elite
  1157. Bonasa
    ruffed grouse
  1158. booboisie
    class consisting of all those who are considered boobs
  1159. book
    an object consisting of a number of pages bound together
  1160. book fair
    fair organized by publishers or booksellers to promote the sale of books
  1161. bookfair
    fair organized by publishers or booksellers to promote the sale of books
  1162. bootboys
    a youth subculture that appeared first in England in the late 1960s as a working-class reaction to the hippies; hair was cropped close to the scalp; wore work-shirts and short jeans (supported by suspenders) and heavy red boots; involved in attacks against Asians and football hooliganism
  1163. BoP
    the law enforcement agency of the Justice Department that operates a nationwide system of prisons and detention facilities to incarcerate inmates sentenced to imprisonment for federal crimes
  1164. borage family
    a widely distributed family of plants distinguished by circinate flowers and nutlike fruit
  1165. Boraginaceae
    a widely distributed family of plants distinguished by circinate flowers and nutlike fruit
  1166. Borago
    perennial herbs of the Mediterranean region
  1167. Borassus
    palmyra
  1168. border patrol
    a group of officers who patrol the borders of a country
  1169. borough
    an English town
  1170. Bos
    wild and domestic cattle
  1171. Boselaphus
    Indian antelopes: nilgais
  1172. bosk
    a small wooded area
  1173. Boswellia
    genus of trees of North Africa and India that yield incense
  1174. botany
    the branch of biology that studies plants
  1175. Botaurus
    bitterns
  1176. Bothidae
    a family of fish of the order Heterosomata
  1177. Bothrops
    fer-de-lance
  1178. Botrychium
    grape fern; moonwort
  1179. bottle collection
    the activity of collecting bottles
  1180. bottler
    a manufacturer that makes and bottles beverages
  1181. Bougainvillaea
    ornamental tropical woody vines
  1182. bouquet
    an arrangement of flowers that is usually given as a present
  1183. Bourbon
    a European royal line that ruled in France (from 1589-1793) and Spain and Naples and Sicily
  1184. Bourbon dynasty
    a European royal line that ruled in France (from 1589-1793) and Spain and Naples and Sicily
  1185. bourgeoisie
    a socioeconomic group that is neither wealthy nor poor
  1186. Bouteloua
    forage grasses
  1187. Bovidae
    true antelopes; cattle; oxen; sheep; goats
  1188. Bovinae
    term not used technically
  1189. Bovini
    term not used technically
  1190. Bowiea
    small genus of tropical African perennial bulbous herbs with deciduous twining stems; sometimes placed in family Hyacinthaceae
  1191. bowling league
    a league of bowling teams
  1192. box family
    widely distributed evergreen shrubs and trees
  1193. Boy Scouts
    an international (but decentralized) movement started in 1908 in England with the goal of teaching good citizenship to boys
  1194. Boy Scouts of America
    a corporation that operates through a national council that charters local councils all over the United States; the purpose is character building and citizenship training
  1195. Boykinia
    genus of perennial rhizomatous herbs with flowers in panicles; North America; Japan
  1196. Br
    a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water
  1197. brace
    a support that steadies or strengthens something else
  1198. Brachinus
    bombardier beetles
  1199. Brachiopoda
    marine invertebrates that resemble mollusks
  1200. Brachychiton
    Australian trees (usually with swollen trunks)
  1201. Brachycome
    mostly Australian herbs having basal or alternate leaves and loosely corymbose flower heads
  1202. Brachystegia
    small genus of tropical African timber trees having pale golden heartwood uniformly striped with dark brown or black:
  1203. Brachyura
    an order of crustaceans (including true crabs) having a reduced abdomen folded against the ventral surface
  1204. bracket
    either of two punctuation marks used to enclose text
  1205. Bradypodidae
    a family of edentates comprising the true sloths
  1206. Bradypus
    type genus of the Bradypodidae: three-toed sloths
  1207. brahman
    the highest of the four varnas: the priestly or sacerdotal category
  1208. Brahmanism
    the religious beliefs of ancient India as prescribed in the sacred Vedas and Brahmanas and Upanishads
  1209. brahmin
    the highest of the four Hindu varnas
  1210. Brahminism
    the religious beliefs of ancient India as prescribed in the sacred Vedas and Brahmanas and Upanishads
  1211. brain trust
    an inner circle of unofficial advisors to the head of a government
  1212. brake
    a restraint used to slow or stop a vehicle
  1213. Brama
    type genus of the Bramidae
  1214. Bramidae
    deep-bodied percoid fishes of the open seas
  1215. branch
    a division of a stem arising from the main stem of a plant
  1216. Branchiobdella
    type genus of the Branchiobdellidae: a small worm that lives on the gills or surface of a crayfish attached by a sucker
  1217. Branchiobdellidae
    small annelid worms with the posterior end modified into an adhesive sucker; especially formerly regarded as modified leeches
  1218. Branchiopoda
    primitive aquatic mainly freshwater crustaceans: fairy shrimps; brine shrimps; tadpole shrimps; can shrimps; water fleas
  1219. Branchiostegidae
    small family of marine fishes having covered gills
  1220. Branchiostomidae
    lancelets
  1221. Branchiura
    copepods with suctorial mouthparts; parasitic on fishes
  1222. Branta
    wild geese
  1223. Brasenia
    alternatively, a member of the family Nymphaeaceae
  1224. brass
    an alloy of copper and zinc
  1225. brass band
    a group of musicians playing only brass and percussion instruments
  1226. brass family
    (music) the family of brass instruments
  1227. brass section
    the section of a band or orchestra that plays brass instruments
  1228. Brassia
    genus of tropical American epiphytic orchids having striking axillary racemes of yellow to green spiderlike flowers with long slender sepals and warty lips: spider orchids
  1229. Brassica
    mustards: cabbages; cauliflowers; turnips; etc.
  1230. Brassicaceae
    a large family of plants with four-petaled flowers
  1231. brave
    possessing or displaying courage
  1232. bread line
    a queue of people waiting for free food
  1233. breadline
    a queue of people waiting for free food
  1234. breed
    cause to procreate (animals)
  1235. brethren
    the lay members of a male religious order
  1236. Brevicipitidae
    narrow-mouthed toads and sheep frogs
  1237. Brevoortia
    menhaden
  1238. Brickellia
    genus of herbs of southwestern America having usually creamy florets followed by one-seeded fruits in a prominent bristly sheath
  1239. bridge hand
    the cards held in a game of bridge
  1240. brier
    a thorny stem or twig
  1241. brier patch
    tangled mass of prickly plants
  1242. brierpatch
    tangled mass of prickly plants
  1243. brigade
    army unit smaller than a division
  1244. Brigate Rosse
    a Marxist-Leninist terrorist organization that arose out of a student protest movement in the late 1960s; wants to separate Italy from NATO and advocates violence in the service of class warfare and revolution; mostly inactive since 1989
  1245. Brit
    a native or inhabitant of Great Britain
  1246. British
    of or relating to or characteristic of Great Britain or its people or culture
  1247. British Cabinet
    the senior ministers of the British government
  1248. British Commonwealth
    an association of nations consisting of the United Kingdom and several former British colonies that are now sovereign states but still pay allegiance to the British Crown
  1249. British House of Commons
    the lower house of the British parliament
  1250. British House of Lords
    the upper house of the British parliament
  1251. British Labour Party
    a political party formed in Great Britain in 1900
  1252. British Parliament
    the British legislative body
  1253. British people
    the people of Great Britain
  1254. Brits
    the people of Great Britain
  1255. broadcasting company
    a company that manages tv or radio stations
  1256. broken home
    a family in which the parents have separated or divorced
  1257. brokerage
    the business of a broker
  1258. brokerage firm
    a stock broker's business
  1259. Bromelia
    the type genus of the family Bromeliaceae which includes tropical American plants with deeply cleft calyx
  1260. Bromeliaceae
    a family of tropical American plants of order Xyridales including several (as the pineapple) of economic importance
  1261. bromine
    a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water
  1262. Bromus
    a genus of grasses of the family Gramineae
  1263. Bronte sisters
    a 19th century family of three sisters who all wrote novels
  1264. brood
    hang over, as of something threatening, dark, or menacing
  1265. broomrape family
    brown or yellow leafless herbs
  1266. Brosmius
    cusk
  1267. brotherhood
    the family relationship between two male offspring
  1268. Brotulidae
    chiefly deep-sea fishes related to the Ophidiidae
  1269. Broussonetia
    paper mulberry
  1270. browse
    feed as in a meadow or pasture
  1271. Bruchidae
    seed beetles
  1272. Bruchus
    type genus of the Bruchidae
  1273. Bruckenthalia
    a genus containing only one species: spike heath
  1274. Brugmansia
    includes some plants often placed in the genus Datura: angel's trumpets
  1275. Brunfelsia
    genus of tropical American shrubs grown for their flowers followed by fleshy berrylike fruits
  1276. brush
    an implement that has hairs or bristles set into a handle
  1277. brushwood
    a dense growth of bushes
  1278. Brya
    genus of prickly shrubs and small trees of the Caribbean region; source of a durable hardwood
  1279. Bryaceae
    a family of acrocarpous mosses
  1280. Bryales
    category used in some classification systems for mosses having the spore case separated from the capsule wall by a hollow intercellular space
  1281. Bryophyta
    a division of nonflowering plants characterized by rhizoids rather than true roots and having little or no organized vascular tissue and showing alternation of generations between gamete-bearing forms and spore-bearing forms; comprises true mosses (Bryopsida) and liverworts (Hepaticopsida) and hornworts (Anthoceropsida)
  1282. Bryopsida
    true mosses: bryophytes having leafy rather than thalloid gametophytes: comprises orders Andreaeales; Bryales; Dicranales; Eubryales; Sphagnales
  1283. Bryozoa
    marine or freshwater animals that form colonies of zooids
  1284. Bryum
    type genus of the Bryaceae: mosses distinguished by mostly erect and tufted gametophytes and symmetrical short-necked capsules
  1285. Bubalus
    in some classification systems included in genus Bos
  1286. Bubo
    a genus of Strigidae
  1287. Bubulcus
    small white egrets
  1288. Buccinidae
    whelks
  1289. Bucconidae
    puffbirds
  1290. Bucephala
    buffleheads and goldeneyes
  1291. Buceros
    type genus of the family Bucerotidae
  1292. Bucerotidae
    hornbills
  1293. Buchloe
    buffalo grass
  1294. buckbean family
    a dicotyledonous family of marsh plants of order Gentianales
  1295. bucket shop
    (formerly) a cheap saloon selling liquor by the bucket
  1296. buckthorn family
    trees and shrubs usually thorny bearing drupaceous fruit many having medicinal value
  1297. buckwheat family
    a family of plants of order Polygonales chiefly of the north temperate zone; includes the buckwheats
  1298. Buddhism
    the teaching of Buddha that life is permeated with suffering caused by desire, that suffering ceases when desire ceases, and that enlightenment obtained through right conduct and wisdom and meditation releases one from desire and suffering and rebirth
  1299. Budorcas
    gnu goats
  1300. Bufonidae
    true toads
  1301. building
    the act of constructing something
  1302. building department
    the division of a business responsible for building and maintaining the physical plant
  1303. building society
    British equivalent of United States savings and loan association
  1304. bull market
    a market characterized by rising prices for securities
  1305. Bull Moose Party
    a former political party in the United States
  1306. Bulnesia
    palo santo
  1307. Bumelia
    deciduous or evergreen American shrubs small trees having very hard wood and milky latex
  1308. bunch
    a grouping of a number of similar things
  1309. Bundesbank
    the central bank of Germany
  1310. bundle
    a collection of things wrapped or boxed together
  1311. Bungarus
    kraits
  1312. Buphthalmum
    oxeye
  1313. bur-reed family
    coextensive with the genus Sparganium
  1314. bureau
    an administrative unit of government
  1315. bureau de change
    an establishment where you can exchange foreign money
  1316. Bureau of Alcohol Tobacco and Firearms
    the law enforcement and tax collection agency of the Treasury Department that enforces federal laws concerning alcohol and tobacco products and firearms and explosives and arson
  1317. Bureau of Customs
    the agency of the Treasury Department that enforces import tariffs
  1318. Bureau of Diplomatic Security
    the bureau in the State Department that is responsible for the security of diplomats and embassies overseas
  1319. Bureau of Engraving and Printing
    the agency of the Treasury Department that produces currency
  1320. Bureau of Intelligence and Research
    an agency that is the primary source in the State Department for interpretive analyses of global developments and focal point for policy issues and activities of the Intelligence Community
  1321. Bureau of Justice Assistance
    the bureau in the Department of Justice that assists local criminal justice systems to reduce or prevent crime and violence and drug abuse
  1322. Bureau of Justice Statistics
    the agency in the Department of Justice that is the primary source of criminal justice statistics for federal and local policy makers
  1323. Bureau of the Census
    the bureau of the Commerce Department responsible for taking the census; provides demographic information and analyses about the population of the United States
  1324. bureaucracy
    a government administered primarily by nonelective officials
  1325. bureaucratism
    nonelective government officials
  1326. burgh
    a borough in Scotland
  1327. Burhinidae
    large wading birds resembling the plovers: stone curlews
  1328. Burhinus
    type genus of the Burhinidae: stone curlews
  1329. Burmannia
    type genus of the Burmanniaceae
  1330. Burmanniaceae
    family of chiefly tropical herbs with basal leaves like bracts and small flowers
  1331. Burmeisteria
    a genus of Dasypodidae
  1332. Bursera
    type genus of Burseraceae
  1333. Burseraceae
    resinous or aromatic chiefly tropical shrubs or trees
  1334. bus company
    a public utility providing local transportation
  1335. bus line
    an organization responsible for operating a bus transportation system
  1336. bus service
    a public utility providing local transportation
  1337. bus traffic
    buses coming and going
  1338. bush
    a woody perennial plant usually having several major stems
  1339. Bush administration
    the executive under President George H. W. Bush
  1340. bush league
    a league of teams that do not belong to a major league
  1341. business
    the principal activity in one's life to earn money
  1342. business college
    a school for teaching the clerical aspects of business and commerce
  1343. business community
    the body of individuals who manage businesses
  1344. business concern
    a commercial or industrial enterprise and the people who constitute it
  1345. business department
    a division of a business firm
  1346. business firm
    the members of a business organization that owns or operates one or more establishments
  1347. business organisation
    a commercial or industrial enterprise and the people who constitute it
  1348. business organization
    a commercial or industrial enterprise and the people who constitute it
  1349. business people
    people who transact business
  1350. business school
    a graduate school offering study leading to a degree of Master in Business Administration
  1351. business sector
    business concerns collectively
  1352. businessmen
    the body of individuals who manage businesses
  1353. businesspeople
    people who transact business
  1354. Butea
    genus of East Indian trees or shrubs: dhak
  1355. Buteo
    broad-winged soaring hawks
  1356. buttercup family
    a family of Ranunculaceae
  1357. butyl
    a hydrocarbon radical (C4H9)
  1358. Buxaceae
    widely distributed evergreen shrubs and trees
  1359. Buxus
    type genus of the Buxaceae
  1360. Byzantine Church
    the Catholic Church as it existed in the Byzantine Empire
  1361. cabal
    a clique that seeks power usually through intrigue
  1362. cabinet
    a storage compartment for clothes and valuables
  1363. cable railway
    a railway up the side of a mountain pulled by a moving cable and having counterbalancing ascending and descending cars
  1364. Cabomba
    alternatively, a member of the family Nymphaeaceae
  1365. Cabombaceae
    in some classifications considered an independent family of water lilies; comprises the genera Cabomba and Brasenia
  1366. caboodle
    any collection in its entirety
  1367. Cacajao
    uakaris
  1368. Cacalia
    genus of tall smooth herbs of forested mountains of Europe and Asia minor; in some classifications includes many plants usually placed in genus Emilia
  1369. Cacatua
    a genus of Psittacidae
  1370. Cacicus
    a genus of tropical American orioles
  1371. cacodyl
    the univalent group derived from arsine
  1372. cacodyl group
    the univalent group derived from arsine
  1373. cacodyl radical
    the univalent group derived from arsine
  1374. Cactaceae
    constituting the order Opuntiales
  1375. cactus family
    constituting the order Opuntiales
  1376. Cadra
    a genus of Pyralidae
  1377. cadre
    a nucleus of military personnel capable of expansion
  1378. Caeciliadae
    coextensive with the order Gymnophiona: legless amphibians
  1379. Caeciliidae
    coextensive with the order Gymnophiona: legless amphibians
  1380. Caenolestes
    type genus of the family Caenolestidae
  1381. Caenolestidae
    small marsupials of southern South America
  1382. Caesalpinia
    small spiny tropical trees or shrubs
  1383. Caesalpiniaceae
    spiny trees, shrubs, or perennial herbs, including the genera Caesalpinia, Cassia, Ceratonia, Bauhinia; commonly included in the family Leguminosae
  1384. Caesalpinioideae
    alternative name in some classification systems for the family Caesalpiniaceae
  1385. Caesarism
    a form of government in which the ruler is an absolute dictator (not restricted by a constitution or laws or opposition etc.)
  1386. Cairina
    a genus of Anatidae
  1387. Cajanus
    erect densely branched shrubby perennials of Old World tropics; naturalized in other warm regions
  1388. Cakile
    small genus of succulent annual herbs found on sandy shores of North America and Europe
  1389. Calamagrostis
    reed grass
  1390. Calamintha
    calamint
  1391. Calamus
    a genus of Sparidae
  1392. Calandrinia
    large genus of low-growing herbs
  1393. calendar
    a system of timekeeping that defines divisions of the year
  1394. Cali cartel
    a drug cartel that seized control of cocaine production in Colombia in 1993; adopted techniques used by terrorist organizations (small cells and sophisticated communications equipment and close ties with politicians etc.)
  1395. Calidris
    a genus of Scolopacidae
  1396. Caliphate State
    a Turkish terrorist group of fundamentalist Muslims with ties to al-Qaeda that operates in Germany; seeks the violent overthrow of the Turkish government and the establishment of an Islamic nation modeled on Iran
  1397. Calla
    water arum
  1398. callathump
    a noisy mock serenade to a newly married couple
  1399. Callicebus
    titis
  1400. Callimorpha
    cinnabar moths
  1401. Callinectes
    New World blue crabs
  1402. Callionymidae
    dragonets
  1403. Calliophis
    Asian coral snakes
  1404. Calliphora
    type genus of the Calliphoridae: blowflies
  1405. Calliphoridae
    blowflies
  1406. Callirhoe
    small genus of North American herbs having usually red or purple flowers
  1407. Callisaurus
    zebra-tailed lizard
  1408. Callistephus
    one species: erect Asiatic herb with large flowers
  1409. Callithricidae
    marmosets
  1410. Callithrix
    type genus of the Callithricidae: true marmosets
  1411. callithump
    a noisy mock serenade to a newly married couple
  1412. callithump parade
    a noisy, boisterous parade
  1413. Callitrichaceae
    dicot aquatic herbs
  1414. Callitriche
    water starworts
  1415. Callitris
    evergreen monoecious coniferous trees or shrubs: cypress pines
  1416. Callophis
    Asian coral snakes
  1417. Callorhinus
    fur seals
  1418. Calluna
    one species
  1419. Calocarpum
    a genus of tropical American trees of the family Sapotaceae
  1420. Calocedrus
    tall evergreens of western North America and eastern Asia
  1421. Calochortus
    large genus of western North American leafy-stemmed bulbous herbs
  1422. Calophyllum
    genus of tropical evergreen trees
  1423. Calopogon
    terrestrial orchids of North America
  1424. Calostomataceae
    a family of fungi belonging to the order Tulostomatales
  1425. Calpe
    location of a colony of the United Kingdom on a limestone promontory at the southern tip of Spain; strategically important because it can control the entrance of ships into the Mediterranean; one of the Pillars of Hercules
  1426. Caltha
    a genus of Caltha
  1427. Calvatia
    genus of puffballs having outer casings whose upper parts break at maturity into angular pieces to expose the spores
  1428. Calvinistic Baptist
    group of Baptist congregations believing the teachings of the French theologian John Calvin who believed in strict predetermination
  1429. Calycanthaceae
    shrubs or small trees having aromatic bark
  1430. Calycanthus
    a magnoliid dicot genus of the family Calycanthaceae including: allspice
  1431. calycanthus family
    shrubs or small trees having aromatic bark
  1432. Calycophyllum
    medium to large tropical American trees having shiny reddish-brown shredding bark
  1433. Calymmatobacterium granulomatis
    the species of bacteria that causes granuloma inguinale
  1434. Calystegia
    climbing or scrambling herbs: bindweed
  1435. camarilla
    a clique that seeks power usually through intrigue
  1436. Camassia
    genus of scapose herbs of North and South America having large edible bulbs
  1437. Cambarus
    a genus of Astacidae
  1438. Camelidae
    camels and llamas and vicunas
  1439. Camelina
    annual and biennial herbs of Mediterranean to central Asia
  1440. Camelus
    type genus of the Camelidae: camels
  1441. Camorra
    a secret society in Naples notorious for violence and blackmail
  1442. camp
    temporary lodgings in the country for travelers
  1443. camp meeting
    religious (usually evangelistic) meeting held in a large tent or outdoors and lasting several days
  1444. Campanulaceae
    family of plants of the order Campanulales
  1445. Campanulales
    an order of plants of the subclass Asteridae including: Campanulaceae; Lobeliaceae; Cucurbitaceae; Goodeniaceae; Compositae
  1446. Campephilus
    a genus of Picidae
  1447. Camponotus
    carpenter ants
  1448. Campsis radicans
    a North American woody vine having pinnate leaves and large red trumpet-shaped flowers
  1449. Camptosorus
    classification used in some especially former systems for plants usually placed in genus Asplenium
  1450. Campyloneurum
    epiphytic ferns of tropical America
  1451. Campylorhynchus
    alternative classifications for the cactus wrens
  1452. Canachites
    spruce grouse
  1453. Canadian Security Intelligence Service
    Canada's main foreign intelligence agency that gathers and analyzes information to provide security intelligence for the Canadian government
  1454. Cananga
    a genus of Malayan tree
  1455. Canangium
    a genus of Malayan tree
  1456. Canavalia
    herbs or woody vines of mainly American tropics and subtropics
  1457. Cancer
    a small zodiacal constellation in the northern hemisphere
  1458. Cancridae
    many of the best known edible crabs
  1459. canebrake
    a dense growth of cane (especially giant cane)
  1460. canella family
    one genus: aromatic tropical trees of eastern Africa and Florida to West Indies
  1461. Canellaceae
    one genus: aromatic tropical trees of eastern Africa and Florida to West Indies
  1462. Canidae
    dogs; wolves; jackals; foxes
  1463. Canis
    type genus of the Canidae: domestic and wild dogs
  1464. Cannabidaceae
    two genera of erect or twining herbs that are pollinated by the wind, including the genera Cannabis and Humulus; term not used in all classifications; in some the genus Cannabis is placed in the family Moraceae and the genus Humulus in the family Urticaceae
  1465. Cannaceae
    coextensive with the genus Canna
  1466. canon law
    the body of official rules governing the affairs of a church
  1467. Cantharellus
    a well-known genus of fungus
  1468. Capella
    the brightest star in Auriga
  1469. caper family
    a dilleniid dicot family of the order Rhoeadales that includes: genera Capparis, Cleome, Crateva, and Polanisia
  1470. Capetian dynasty
    a Frankish dynasty founded by Hugh Capet that ruled from 987 to 1328
  1471. Capital
    the federal government of the United States
  1472. capitalism
    an economic system based on private ownership of assets
  1473. capitalist economy
    an economic system based on private ownership of capital
  1474. Capitonidae
    barbets
  1475. Capparidaceae
    a dilleniid dicot family of the order Rhoeadales that includes: genera Capparis, Cleome, Crateva, and Polanisia
  1476. Capparis
    tropical or subtropical evergreen shrubs or small trees
  1477. Capra
    United States film maker (1897-1991)
  1478. Caprella
    skeleton shrimp
  1479. Capreolus
    roe deer
  1480. Capricornis
    serows
  1481. Caprifoliaceae
    shrubs and small trees and woody vines
  1482. Caprimulgidae
    goatsuckers
  1483. Caprimulgiformes
    goatsuckers; frogmouths; oilbirds
  1484. Caprimulgus
    type genus of the Caprimulgidae
  1485. Caproidae
    boarfishes
  1486. Capromyidae
    coypus
  1487. Capros
    a genus of fish in the family Caproidae
  1488. Capsella
    shepherd's purse
  1489. Capsicum
    chiefly tropical perennial shrubby plants having many-seeded fruits: sweet and hot peppers
  1490. Capsidae
    leaf bugs
  1491. captive finance company
    a finance company owned by a manufacturer to finance dealers' inventories or to make loans to consumers buying the company's products
  1492. car company
    a company that makes and sells automobiles
  1493. car dealer
    a firm that sells and buys cars
  1494. car maker
    a business engaged in the manufacture of automobiles
  1495. car manufacturer
    a business engaged in the manufacture of automobiles
  1496. car pool
    shared travel arrangement where people take turns driving others
  1497. car traffic
    cars coming and going
  1498. Carabidae
    ground beetles
  1499. Carangidae
    large family of narrow-bodied marine food fishes with widely forked tails; chiefly of warm seas
  1500. Caranx
    type genus of the Carangidae
  1501. Carapidae
    pearlfishes: related to the Brotulidae
  1502. Carassius
    goldfish
  1503. caravan
    a procession traveling together in single file
  1504. carbonyl group
    the bivalent radical CO
  1505. carboxyl
    the univalent radical -COOH
  1506. carboxyl group
    the univalent radical -COOH
  1507. Carcharhinidae
    largest family of living sharks
  1508. Carcharhinus
    type genus of the Carcharhinidae
  1509. Carcharias
    type and sole genus of Carchariidae: sand sharks
  1510. Carchariidae
    sand sharks
  1511. Carcharodon
    man-eating sharks
  1512. Cardamine
    bittercress, bitter cress
  1513. Cardiidae
    somewhat heart-shaped sand-burrowing bivalve mollusks
  1514. cardinalate
    cardinals collectively
  1515. Cardiospermum
    tendril-climbing herbs or shrubs whose seeds have a white heart-shaped spot
  1516. Cardium
    type genus of the family Cardiidae: cockles
  1517. Carduelinae
    used in some classifications for a subgroup of finches
  1518. Carduelis
    in some classifications considered the type genus of a subfamily Carduelinae of the family Fringillidae: goldfinches; siskins; redpolls; linnets
  1519. Carduus
    genus of annual or perennial Old World prickly thistles
  1520. Caretta
    loggerhead turtles
  1521. Carex
    large genus of plants found in damp woodlands and bogs and ditches or at water margins: sedges
  1522. cargo cult
    (Melanesia) the followers of one of several millenarian cults that believe salvation will come in the form of wealth (`cargo') brought by westerners; some ascribe divine attributes to westerners on first contact (especially to missionaries)
  1523. Cariama
    the type genus of the Cariamidae comprising only the crested cariama
  1524. Cariamidae
    crane-like South American wading birds
  1525. Carica
    type genus of the Caricaceae
  1526. Caricaceae
    trees native to tropical America and Africa with milky juice and large palmately lobed leaves
  1527. Carlina
    genus of Mediterranean thistles
  1528. carload
    the amount of cargo that can be held by a boat or ship or a freight car
  1529. Carlovingian dynasty
    a Frankish dynasty founded by Charlemagne's father that ruled from 751 to 987
  1530. carmaker
    a business engaged in the manufacture of automobiles
  1531. Carmelite order
    a Roman Catholic mendicant order founded in the 12th century
  1532. carnation family
    large family of herbs or subshrubs
  1533. Carnegiea
    caryophylloid dicot genus with only one species: saguaro
  1534. Carnivora
    cats
  1535. Carnosaura
    largest carnivorous land animals ever known
  1536. Carolingian dynasty
    a Frankish dynasty founded by Charlemagne's father that ruled from 751 to 987
  1537. carpetweed family
    succulent herbs or small shrubs mostly of South Africa but also New Zealand and North America: carpetweeds; fig marigolds
  1538. Carphophis
    thunder snake
  1539. Carpinaceae
    used in some classification systems for the genera Carpinus, Ostryopsis, and Ostryopsis
  1540. Carpinus
    mostly deciduous monoecious trees or shrubs: hornbeams
  1541. Carpobrotus
    a caryophyllaceous genus of Carpobrotus
  1542. Carpocapsa
    codling moths
  1543. Carpodacus
    house finches and purple finches
  1544. carrier
    a person or firm transporting people or goods or messages
  1545. carrot family
    plants having flowers in umbels: parsley
  1546. cartel
    a consortium formed to limit commercial competition
  1547. Carter administration
    the executive under President Carter
  1548. Cartesian product
    the set of elements common to two or more sets
  1549. Carthage
    an ancient city state on the north African coast near modern Tunis; founded by Phoenicians; destroyed and rebuilt by Romans; razed by Arabs in 697
  1550. Carthamus
    safflower
  1551. Carthusian order
    an austere contemplative Roman Catholic order founded by St. Bruno in 1084
  1552. Carum
    caraway
  1553. Carya
    genus of large deciduous nut-bearing trees
  1554. Caryocar
    type genus of the Caryocaraceae
  1555. Caryocaraceae
    small genus of tropical South American trees
  1556. Caryophyllaceae
    large family of herbs or subshrubs
  1557. Caryophyllales
    corresponds approximately to the older group Centrospermae
  1558. Caryophyllidae
    a group of families of mostly flowers having basal or central placentation and trinucleate pollen (binucleate pollen is commoner in flowering plants); contains 14 families including: Caryophyllaceae (carnations and pinks); Aizoaceae; Amaranthaceae; Batidaceae; Chenopodiaceae; Cactaceae (order Opuntiales); Nyctaginaceae; Phytolaccaceae; corresponds approximately to order Caryophyllales; sometimes classified as a superorder
  1559. caryophylloid dicot family
    family of relatively early dicotyledonous plants including mostly flowers
  1560. caryophylloid dicot genus
    genus of relatively early dicotyledonous plants including mostly flowers
  1561. Caryota
    fishtail palms
  1562. cascade
    a small waterfall or series of small waterfalls
  1563. case
    an occurrence of something
  1564. case law
    a law established by following earlier judicial decisions
  1565. Casmerodius
    a white egrets
  1566. Cassia
    some genus Cassia species often classified as members of the genus Senna or genus Chamaecrista
  1567. Cassiope
    low tufted evergreen shrubs of colder parts of north temperate regions having moss-like foliage and nodding white or pink flowers
  1568. cast
    put or send forth
  1569. cast of characters
    the actors in a play
  1570. Castanea
    chestnuts; chinkapins
  1571. Castanopsis
    evergreen trees and shrubs of warm regions valued for their foliage; southeastern United States and eastern Australia and northern New Zealand
  1572. Castanospermum
    a rosid dicot genus of the subfamily Papilionoideae having one species: Moreton Bay chestnut
  1573. caste
    a hereditary social class among Hindus
  1574. caste system
    social structure in which classes are determined by heredity
  1575. Castilleia
    genus of western North and South American perennials often partially parasitic on roots of grasses
  1576. Castilleja
    genus of western North and South American perennials often partially parasitic on roots of grasses
  1577. Castor
    a multiple star with 6 components
  1578. Castoridae
    beavers
  1579. Castoroides
    extinct beavers of the Pleistocene
  1580. Casualty Care Research Center
    an agency in the Department of Defense that is a national center for research on all aspects of injury control and casualty care
  1581. Casuaridae
    a family of large ostrich-like birds including cassowaries
  1582. Casuariiformes
    a ratite bird order: cassowaries and emus
  1583. Casuarinaceae
    one genus: genus Casuarina
  1584. Casuarinales
    order of chiefly Australian trees and shrubs comprising the casuarinas; 1 family: Casuarinaceae
  1585. Casuarius
    type and sole genus of the Casuaridae: cassowaries
  1586. Catacala
    moths whose larvae are cutworms: underwings
  1587. Catasetum
    genus of tropical American orchids having showy male and female flowers usually on separate inflorescences
  1588. catch phrase
    an expression that has become memorable through popular usage
  1589. catchphrase
    an expression that has become memorable through popular usage
  1590. categorem
    a categorematic expression
  1591. categoreme
    a categorematic expression
  1592. categorisation
    the basic cognitive process of arranging into classes or categories
  1593. categorization
    the basic cognitive process of arranging into classes
  1594. category
    a general concept that marks divisions or coordinations
  1595. catena
    a chain of connected objects, passages, or ideas
  1596. Catha
    a genus of African evergreen shrubs characterized by thick leaves and white flowers
  1597. Catharacta
    skuas
  1598. Catharanthus
    small genus of erect annual or perennial herbs native to Madagascar; widely naturalized in the tropics; formerly included in genus Vinca
  1599. Cathari
    a Christian religious sect in southern France in the 12th and 13th centuries; believers in Albigensianism
  1600. Cathars
    a Christian religious sect in southern France in the 12th and 13th centuries; believers in Albigensianism
  1601. Cathartes
    type genus of the Cathartidae: turkey vultures
  1602. Cathartidae
    condors; turkey buzzards; king vultures
  1603. Catholic Church
    any of several churches claiming to have maintained historical continuity with the original Christian Church
  1604. Catholic Reaction Force
    a radical terrorist group dedicated to the removal of British forces from Northern Ireland and the unification of Ireland
  1605. Catholic school
    a parochial school maintained by the Catholic Church
  1606. Catoptrophorus
    willet
  1607. Catostomidae
    suckers; closely related to the family Cyprinidae
  1608. Catostomus
    type genus of the family Catostomidae
  1609. cattail family
    perennial marsh plants with creeping rootstocks and long linear leaves
  1610. Caucasian race
    a light-skinned race
  1611. Caucasoid race
    a light-skinned race
  1612. caucus
    meet to select a candidate or promote a policy
  1613. Caudata
    salamanders; newts; congo snakes
  1614. Caulophyllum
    blue cohosh
  1615. cautious
    showing careful forethought
  1616. cavalcade
    a procession of people traveling by foot, horse, or vehicles
  1617. cavalry
    troops trained to fight on horseback
  1618. Cavia
    type genus of the Caviidae: guinea pigs
  1619. Caviidae
    a family of Hystricomorpha
  1620. CCRC
    an agency in the Department of Defense that is a national center for research on all aspects of injury control and casualty care
  1621. CDC
    a federal agency in the Department of Health and Human Services; located in Atlanta; investigates and diagnoses and tries to control or prevent diseases (especially new and unusual diseases)
  1622. Cebidae
    all the New World monkeys except marmosets and tamarins
  1623. Cebuella
    pygmy marmosets
  1624. Cebus
    type genus of the Cebidae
  1625. Cecidomyidae
    gall midges
  1626. Cecropia
    large genus of tropical American trees that yield a bast fiber used for cordage and bark used in tanning; milky juice yields caoutchouc
  1627. Cecropiaceae
    in some classifications included in family Moraceae
  1628. Cedrela
    tropical American trees
  1629. Cedrus
    true cedars
  1630. Ceiba
    tropical American trees with palmately compound leaves and showy bell-shaped flowers
  1631. Celastraceae
    trees and shrubs and woody vines usually having bright-colored fruits
  1632. Celastrus
    genus of woody vines and erect shrubs (type genus of the Celastraceae) that is native chiefly to Asia and Australia: includes bittersweet
  1633. celestial hierarchy
    the collective body of angels
  1634. cell
    the basic structural and functional unit of all organisms
  1635. Celosia
    annual or perennial herbs or vines of tropical and subtropical America and Asia and Africa
  1636. Celtis
    large genus of trees and shrubs with berrylike fruit
  1637. Cenchrus
    a genus of grasses of the family Gramineae that have burs
  1638. Census Bureau
    the bureau of the Commerce Department responsible for taking the census; provides demographic information and analyses about the population of the United States
  1639. Centaurea
    knapweed; star thistle
  1640. Centaurium
    genus of low-growing herbs mostly of northern hemisphere having flowers with protruding spirally twisted anthers
  1641. center
    an area that is in the middle of some larger region
  1642. Center for Disease Control and Prevention
    a federal agency in the Department of Health and Human Services; located in Atlanta; investigates and diagnoses and tries to control or prevent diseases (especially new and unusual diseases)
  1643. Central America
    the isthmus joining North America and South America
  1644. central bank
    a government monetary authority that issues currency and regulates the supply of credit and holds the reserves of other banks and sells new issues of securities for the government
  1645. Central Intelligence Agency
    an independent agency of the United States government responsible for collecting and coordinating intelligence and counterintelligence activities abroad in the national interest; headed by the Director of Central Intelligence under the supervision of the President and National Security Council
  1646. Central Intelligence Machinery
    the United Kingdom's central unit for the tasking and coordination and funding of intelligence and security agencies
  1647. Central Powers
    in World War I the alliance of Germany and Austria-Hungary and other nations allied with them in opposing the Allies
  1648. Centranthus
    genus of southern European herbs and subshrubs
  1649. Centrarchidae
    sunfish family
  1650. centre
    an area that is approximately central within some larger region
  1651. Centre for International Crime Prevention
    the United Nations office responsible for crime prevention and criminal justice and law reform
  1652. Centriscidae
    shrimpfishes
  1653. Centrocercus
    sage grouse
  1654. Centrolobium
    a genus of Centrolobium
  1655. Centropomidae
    a family of fish or the order Perciformes including robalos
  1656. Centropomus
    type genus of the Centropomidae: snooks
  1657. Centropristis
    sea basses
  1658. Centropus
    a genus of Cuculidae
  1659. Centrosema
    a genus of chiefly tropical American vines of the family Leguminosae having trifoliate leaves and large flowers
  1660. Centrospermae
    used in former classification systems
  1661. Centunculus
    a dicotyledonous genus of the family Primulaceae
  1662. Cephalanthera
    small genus of temperate Old World terrestrial orchids
  1663. Cephalaspida
    extinct group of armored fish-like vertebrates
  1664. Cephalobidae
    a family of Nematoda
  1665. Cephalochordata
    lancelets
  1666. Cephalopoda
    octopuses; squids; cuttlefish; pearly nautilus
  1667. Cephalopterus
    a genus of Cotingidae
  1668. Cephalotaceae
    a family of plants of order Rosales
  1669. Cephalotaxaceae
    a family of Cephalotaxaceae
  1670. Cephalotaxus
    the genus of Cephalotaxus (see plum-yews)
  1671. Cephalotus
    one species: Australian pitcher plant
  1672. Cepphus
    a genus of birds including: guillemots
  1673. Cerambycidae
    long-horned beetles
  1674. Cerapteryx
    antler moths
  1675. Cerastium
    mouse-eared chickweed
  1676. Ceratitis
    Mediterranean fruit flies
  1677. Ceratodontidae
    lungfishes having hornlike ridges on the teeth
  1678. Ceratonia
    carobs
  1679. Ceratopetalum
    a dicotyledonous genus of the family Cunoniaceae
  1680. Ceratophyllaceae
    coextensive with the genus Ceratophyllum: hornworts
  1681. Ceratophyllum
    constituting the family Ceratophyllaceae: hornworts
  1682. Ceratopogon
    type genus of the Ceratopogonidae
  1683. Ceratopogonidae
    biting midges; sand flies
  1684. Ceratopsia
    horned dinosaurs
  1685. Ceratopsidae
    American ceratopsian dinosaurs
  1686. Ceratopteris
    water ferns
  1687. Ceratostomataceae
    fungi having carbonous perithecia with long necks
  1688. Ceratostomella
    genus of fungi forming continuous hyaline spores
  1689. Ceratotherium
    African genus
  1690. Cercidiphyllaceae
    one genus
  1691. Cercidiphyllum
    one species: katsura tree
  1692. Cercidium
    spiny shrubs or small trees sometimes placed in genus Parkinsonia: paloverde
  1693. Cercis
    deciduous shrubs and trees of eastern Asia, southern Europe and the United States
  1694. Cercocebus
    mangabeys
  1695. Cercopidae
    froghoppers or spittlebugs
  1696. Cercopithecidae
    Old World monkeys: guenon
  1697. Cercopithecus
    type genus of the Cercopithecidae: guenons
  1698. Cercospora
    form genus of imperfect fungi that are leaf parasites with long slender spores
  1699. Cercosporella
    form genus of imperfect fungi lacking pigment in the spores and conidiophores
  1700. Cereus
    genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flowers usually white
  1701. Ceroxylon
    wax palms
  1702. Certhia
    type genus of the Certhiidae
  1703. Certhiidae
    creepers
  1704. Cervidae
    deer: reindeer; moose or elks; muntjacs; roe deer
  1705. Cervus
    the type genus of the Cervidae
  1706. Ceryle
    a genus of birds of the family Alcedinidae
  1707. Cestida
    ctenophore having short tentacles; one family
  1708. Cestidae
    coextensive with the order Cestida
  1709. Cestoda
    tapeworms
  1710. Cestrum
    genus of fragrant tropical American shrubs
  1711. Cestum
    Venus's girdle
  1712. Cetacea
    an order of Eutheria
  1713. Ceterach
    small genus of Old World ferns
  1714. Cetonia
    a genus of Cetoniidae
  1715. Cetoniidae
    considered a separate family in some classification systems
  1716. Cetorhinidae
    in some older classifications considered the family of the basking sharks
  1717. Cetorhinus
    comprising only the basking sharks
  1718. Cetraria
    foliose lichens chiefly of northern latitudes
  1719. CFTR
    the gene that is mutated in cystic fibrosis
  1720. Ch'in
    the Chinese dynasty (from 246 BC to 206 BC) that established the first centralized imperial government and built much of the Great Wall
  1721. Ch'in dynasty
    the Chinese dynasty (from 246 BC to 206 BC) that established the first centralized imperial government and built much of the Great Wall
  1722. Ch'ing
    the last imperial dynasty of China (from 1644 to 1912) which was overthrown by revolutionaries; during the Qing dynasty China was ruled by the Manchu
  1723. Ch'ing dynasty
    the last imperial dynasty of China (from 1644 to 1912) which was overthrown by revolutionaries; during the Qing dynasty China was ruled by the Manchu
  1724. Chabad
    a form of Hasidism practiced by Lithuanian and Russian Jews under communist rule; the beliefs and practices of the Lubavitch movement
  1725. Chabad-Lubavitch
    a large missionary Hasidic movement known for their hospitality, technological expertise, optimism and emphasis on religious study
  1726. Chaenomeles
    flowering quince
  1727. Chaenopsis
    a genus of fish of the family Clinidae including pikeblennies
  1728. Chaetodipterus
    a genus of Ephippidae
  1729. Chaetodontidae
    butterfly fishes
  1730. Chaetognatha
    arrowworms: a group of small active transparent marine worms
  1731. chain
    a series of (usually metal) rings or links fitted into one another to make a flexible ligament
  1732. chain gang
    a gang of convicts chained together
  1733. Chalcedon
    a former town on the Bosporus
  1734. Chalcidae
    an arthropod family including: chalcidflies
  1735. Chalcididae
    an arthropod family including: chalcidflies
  1736. Chalcis
    type genus of the Chalcididae
  1737. Chalcostigma
    thornbills
  1738. Chamaea
    a genus of Paridae
  1739. Chamaecrista
    genus of tropical herbs or subshrubs having sensitive leaves and suddenly dehiscing pods; some species placed in genus Cassia
  1740. Chamaecyparis
    a genus of Chamaecyparis
  1741. Chamaecytisus
    small late-flowering trees or subshrubs having yellow to red flowers and leathery or woody pods; often especially formerly included in genus Cytisus
  1742. Chamaedaphne
    one species: leatherleaf
  1743. Chamaeleo
    type genus of the Chamaeleontidae
  1744. Chamaeleonidae
    Old World chameleons
  1745. Chamaeleontidae
    Old World chameleons
  1746. Chamaemelum
    small genus of plants sometimes included in genus Anthemis: chamomile
  1747. chamber
    a natural or artificial enclosed space
  1748. chamber of commerce
    an association of businesspeople to protect and promote business interests
  1749. chamber orchestra
    small orchestra; usually plays classical music
  1750. chancery
    an office of archives for public or ecclesiastic records
  1751. Channidae
    snakeheads
  1752. chaparral
    dense vegetation consisting of stunted trees or bushes
  1753. chaplet
    a circular band of flowers or other foliage
  1754. chapter
    a subdivision of a written work; usually numbered and titled
  1755. Chara
    green algae common in freshwater lakes of limestone districts
  1756. Characeae
    green algae superficially resembling horsetail ferns: stoneworts
  1757. Characidae
    tropical freshwater fishes of Africa and South America and Central America
  1758. Characinidae
    former name of the Characidae
  1759. Charadrii
    shorebirds: plovers
  1760. Charadriidae
    plover family
  1761. Charadriiformes
    large diverse order of aquatic birds found along seacoasts and inland waters: shorebirds and coastal diving birds; most feed on anima life
  1762. Charadrius
    type genus of the Charadriidae: plovers
  1763. Charales
    small order of macroscopic fresh and brackish water algae with a distinct axis: stoneworts
  1764. Charina
    boas of western North America
  1765. charity
    an institution set up to provide help to the needy
  1766. Charophyceae
    in some classifications: contains only the order Charales
  1767. Charronia
    a genus of Mustelidae
  1768. charter school
    an experimental public school for kindergarten through grade 12; created and organized by teachers and parents and community leaders; operates independently of other schools
  1769. Chasidim
    a sect of Orthodox Jews that arose out of a pietistic movement originating in eastern Europe in the second half of the 18th century; a sect that follows the Mosaic law strictly
  1770. Chassidim
    a sect of Orthodox Jews that arose out of a pietistic movement originating in eastern Europe in the second half of the 18th century; a sect that follows the Mosaic law strictly
  1771. Chateura
    a genus of Apodidae
  1772. Chauna
    crested screamers
  1773. checkout line
    a queue of people waiting to pay for purchases
  1774. Cheilanthes
    small evergreen ferns: lipferns
  1775. Cheiranthus
    Old World perennial plants grown for their showy flowers
  1776. Chelicerata
    spiders; scorpions; horseshoe crabs
  1777. Chelidonium
    one species: greater celandine
  1778. Chelifer
    a genus of Chelonethida
  1779. Chelone
    herbaceous perennials: shellflower
  1780. Chelonethida
    false scorpions
  1781. Chelonia
    tortoises and turtles
  1782. Chelonidae
    green turtles; hawksbills
  1783. Cheloniidae
    green turtles; hawksbills
  1784. Chelydra
    snapping turtles
  1785. Chelydridae
    snapping turtles
  1786. chemical industry
    the manufacturers of chemicals considered collectively
  1787. chemistry department
    the academic department responsible for teaching and research in chemistry
  1788. Chen
    wild goose having white adult plumage
  1789. Chenopodiaceae
    includes spinach and beets
  1790. Chenopodiales
    corresponds approximately to the older group Centrospermae
  1791. Chenopodium
    goosefoot; pigweed
  1792. Chermidae
    jumping plant lice
  1793. chess club
    a club of people to play chess
  1794. chess set
    checkerboard and a set of 32 pieces used to play chess
  1795. chicane
    the use of tricks to deceive someone
  1796. Chihuahuan Desert
    a desert in western Texas, New Mexico, Arizona, and northern Mexico
  1797. child welfare agency
    an administrative unit responsible for social work concerned with the welfare and vocational training of children
  1798. child welfare service
    an administrative unit responsible for social work concerned with the welfare and vocational training of children
  1799. Chilomastix
    flagellates parasitic in intestines of vertebrates including humans
  1800. Chilomeniscus
    sand snakes
  1801. Chilomycterus
    burrfishes
  1802. Chilopoda
    arthropods having the trunk composed of numerous somites each bearing one pair of legs: centipedes
  1803. Chilopsis
    one species: desert willow
  1804. Chimaeridae
    a family of Holocephali
  1805. Chimaphila
    small genus of evergreen herbs with long creeping rootstocks and shining leaves; North America; Europe; east Asia
  1806. Chimonanthus
    small genus of Asian deciduous or evergreen shrubs having fragrant flowers: winter sweet
  1807. Chinchillidae
    small bushy-tailed South American burrowing rodents
  1808. Chiococca
    shrubs of tropical and subtropical New World
  1809. Chionanthus
    deciduous trees or shrubs: fringe tree
  1810. Chirocephalus
    fairy shrimp; brine shrimp
  1811. Chironomidae
    midges
  1812. Chironomus
    type genus of the Chironomidae
  1813. Chiroptera
    an old order dating to early Eocene: bats: suborder Megachiroptera (fruit bats); suborder Microchiroptera (insectivorous bats)
  1814. Chlamydera
    a genus of Ptilonorhynchidae
  1815. Chlamydiaceae
    Gram-negative parasites in warm-blooded vertebrates
  1816. Chlamydomonadaceae
    green algae some of which are colored red by hematochrome
  1817. Chlamydomonas
    type genus of the Chlamydomonadaceae
  1818. Chlamydosaurus
    frilled lizards
  1819. Chlamyphorus
    pichiciago
  1820. Chloranthaceae
    small family of tropical herbs and shrubs and trees
  1821. Chloranthus
    type genus of the Chloranthaceae
  1822. chlorine
    a chemical commonly used to purify water or to disinfect
  1823. Chloris
    tufted or perennial or annual grasses having runners: finger grass; windmill grass
  1824. Chlorococcales
    unicellular green algae that reproduce by spores
  1825. Chlorococcum
    type genus of Chlorococcales
  1826. Chlorophis
    African green snakes
  1827. Chlorophoneus
    a genus of Malaconotinae
  1828. Chlorophthalmidae
    small family of soft-finned bottom-dwellers with large eyes
  1829. Chlorophyceae
    algae distinguished chiefly by having flagella and a clear green color, their chlorophyll being masked little if at all by other pigments
  1830. Chlorophyta
    large division of chiefly freshwater eukaryotic algae that possess chlorophyll a and b, store food as starch, and cellulose cell walls; classes Chlorophyceae, Ulvophyceae, and Charophyceae; obviously ancestral to land plants
  1831. Chloroxylon
    deciduous trees of India and Sri Lanka
  1832. Chlorura
    towhees
  1833. Choeronycteris
    a genus of Phyllostomatidae
  1834. choir
    a chorus that sings as part of a religious ceremony
  1835. choir school
    a school that is part of a cathedral or monastery where boys with singing ability can receive a general education
  1836. Choloepus
    a genus of Megalonychidae consisting of the two-toed sloth
  1837. Chondrichthyes
    cartilaginous fishes
  1838. Chondrus
    a genus of protoctist
  1839. Chordata
    comprises true vertebrates and animals having a notochord
  1840. chordate family
    any family in the phylum Chordata
  1841. chordate genus
    any genus in the phylum Chordata
  1842. Chordeiles
    a genus of Caprimulgidae
  1843. Chordospartium
    2 species of small New Zealand trees: weeping tree broom
  1844. Choriotis
    Australian bustard
  1845. Chorizagrotis
    moths whose larvae are army cutworms
  1846. Chorizema
    genus of Australian twining vines and small shrubs: flame peas
  1847. chorus
    actors who comment on the action in a classical Greek play
  1848. chorus line
    a body of dancers or singers who perform together
  1849. chosen
    one who is the object of choice; who is given preference
  1850. chosen people
    any people believing themselves to be chosen by God
  1851. Chou
    the imperial dynasty of China from 1122 to 221 BC
  1852. Chou dynasty
    the imperial dynasty of China from 1122 to 221 BC
  1853. Chow
    the imperial dynasty of China from 1122 to 221 BC
  1854. Chow dynasty
    the imperial dynasty of China from 1122 to 221 BC
  1855. chow line
    a queue of people waiting for food to be served
  1856. Christendom
    the collective body of Christians throughout the world and history (found predominantly in Europe and the Americas and Australia)
  1857. Christian church
    one of the groups of Christians who have their own beliefs and forms of worship
  1858. Christian Science
    religious system based on teachings of Mary Baker Eddy emphasizing spiritual healing
  1859. Christianity
    a monotheistic system of beliefs and practices based on the Old Testament and the teachings of Jesus as embodied in the New Testament and emphasizing the role of Jesus as savior
  1860. chromophore
    the chemical group that gives color to a molecule
  1861. Chronoperates
    a reptile genus of Therapsida
  1862. Chrysaora
    a genus of Scyphozoa
  1863. Chrysemys
    painted turtles
  1864. Chrysobalanus
    coco plums
  1865. Chrysochloridae
    golden moles
  1866. Chrysochloris
    type genus of the Chrysochloridae
  1867. Chrysolepis
    two species: golden chinkapins
  1868. Chrysolophus
    golden pheasants
  1869. Chrysomelidae
    leaf beetles
  1870. Chrysophrys
    Australian snapper
  1871. Chrysophyceae
    all the yellow-green algae having flagella of unequal length
  1872. Chrysophyllum
    tropical American evergreen trees or shrubs
  1873. Chrysophyta
    mostly freshwater eukaryotic algae having the chlorophyll masked by brown or yellow pigment; yellow-green and golden-brown algae and diatoms: Xanthophyceae, Chrysophyceae, Bacillariophyceae; some classification systems superseded or subsumed by Heterokontophyta
  1874. Chrysopidae
    green lacewings
  1875. Chrysopsis
    golden aster
  1876. Chrysosplenium
    genus of widely distributed semiaquatic herbs with minute greenish-yellow apetalous flowers
  1877. Chrysothamnus
    genus of low branching shrubs of western North America
  1878. Chukaku-Ha
    an ultra-leftist militant group founded in 1957 from the breakup of the Japanese Communist Party; includes a covert action wing
  1879. chunk
    a compact mass
  1880. church
    a place for public (especially Christian) worship
  1881. Church of Christ Scientist
    Protestant denomination founded by Mary Baker Eddy in 1866
  1882. Church of England
    the national church of England
  1883. Church of Ireland
    autonomous branch of the Church of England in Ireland
  1884. Church of Jesus Christ of Latter-Day Saints
    church founded by Joseph Smith in 1830 with headquarters in Salt Lake City, Utah
  1885. Church of Rome
    the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy
  1886. Church of Scientology
    a new religion founded by L. Ron Hubbard in 1955 and characterized by a belief in the power of a person's spirit to clear itself of past painful experiences through self-knowledge and spiritual fulfillment
  1887. Church of the Brethren
    a Baptist denomination founded in 1708 by Americans of German descent; opposed to military service and taking legal oaths; practiced trine immersion
  1888. church school
    a private religious school run by a church or parish
  1889. church-state
    a state ruled by religious authority
  1890. chute-the-chute
    elevated railway in an amusement park
  1891. Chytridiaceae
    a family of aquatic fungi of order Chytridiales
  1892. Chytridiales
    simple aquatic fungi mostly saprophytic but some parasitic on higher plants or animals or fresh water fungi; sometimes placed in class Oomycetes
  1893. Chytridiomycetes
    a class of mostly aquatic fungi
  1894. CIA
    an independent agency of the United States government responsible for collecting and coordinating intelligence and counterintelligence activities abroad in the national interest; headed by the Director of Central Intelligence under the supervision of the President and National Security Council
  1895. Cibotium
    in some classification systems placed in family Cyatheaceae: ornamental tree ferns with coarse gracefully drooping fronds
  1896. Cicadellidae
    leafhoppers
  1897. Cicadidae
    cicadas
  1898. Cicer
    chickpea plant; Asiatic herbs
  1899. Cichlidae
    cichlids
  1900. Cichorium
    chicory
  1901. Cicindelidae
    tiger beetles
  1902. Ciconia
    type genus of the Ciconiidae: European storks
  1903. Ciconiidae
    storks
  1904. Ciconiiformes
    order of chiefly tropical marsh-dwelling fish-eating wading birds with long legs and bills and (except for flamingos) unwebbed feet: herons; storks; spoonbills; flamingos; ibises
  1905. Cicuta
    small genus of perennial herbs having deadly poisonous tuberous roots: water hemlock
  1906. CID
    the United States Army's principal law enforcement agency responsible for the conduct of criminal investigations for all levels of the Army anywhere in the world
  1907. Ciliata
    class of protozoa having cilia or hairlike appendages on part or all of the surface during some part of the life cycle
  1908. Cilioflagellata
    in some classifications considered a phylum of the kingdom Protista; in others included in the plant phylum Pyrrophyta
  1909. Ciliophora
    class of protozoa having cilia or hairlike appendages on part or all of the surface during some part of the life cycle
  1910. CIM
    the United Kingdom's central unit for the tasking and coordination and funding of intelligence and security agencies
  1911. Cimex
    type genus of the Cimicidae: bedbugs
  1912. Cimicidae
    wingless flat-bodied bloodsucking insects
  1913. Cimicifuga
    small genus of perennial herbs of north temperate regions: bugbane
  1914. Cinclidae
    water ouzels
  1915. Cinclus
    type genus of the family Cinclidae
  1916. Cinnamomum
    Asiatic and Australian aromatic trees and shrubs
  1917. CIO
    a federation of North American industrial unions that merged with the American Federation of Labor in 1955
  1918. CIRA
    a terrorist organization formed in Ireland in 1994 as a clandestine armed wing of Sinn Fein
  1919. Circaea
    enchanter's nightshade
  1920. Circaetus
    harrier eagles
  1921. Circassian
    a mostly Sunni Muslim community living in northwestern Caucasia
  1922. circle
    a plane curve with every point equidistant from the center
  1923. circuit
    a journey or route all the way around a place or area
  1924. circuit court of appeals
    one of the twelve federal United States courts of appeals that cover a group of states known as a `circuit'
  1925. circus
    a travelling company of entertainers
  1926. Cirripedia
    barnacles
  1927. Cirsium
    plume thistles
  1928. CIS
    an alliance made up of states that had been Soviet Socialist Republics in the Soviet Union prior to its dissolution in Dec 1991
  1929. CISC
    an agency of the Canadian government that unifies the intelligence units of Canadian law enforcement agencies
  1930. Cistaceae
    shrubs or woody herbs of temperate regions especially Mediterranean
  1931. Cistothorus
    marsh wrens
  1932. cistron
    (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity
  1933. Cistus
    small to medium-sized evergreen shrubs of southern Europe and North Africa
  1934. Citellus
    typical ground squirrels
  1935. Citharichthys
    a genus of Bothidae
  1936. citizenry
    the body of citizens of a state or country
  1937. citizens committee
    a self-constituted organization to promote something
  1938. Citroncirus
    a cross between Citrus sinensis and Poncirus trifoliata
  1939. Citrullus
    a dicot genus of the family Cucurbitaceae including watermelons
  1940. Citrus limetta
    lemon tree having fruit with a somewhat insipid sweetish pulp
  1941. city
    a large and densely populated urban area
  1942. city council
    a group of people who govern an urban area or town
  1943. city desk
    the editorial department of a newspaper that edits the local news
  1944. city room
    the editorial department of a newspaper that edits the local news
  1945. city state
    a state consisting of a sovereign city
  1946. city-state
    an independent nation comprised of a single town
  1947. civil law
    the legal code of ancient Rome
  1948. Civil Rights movement
    movement in the United States beginning in the 1960s and led primarily by Blacks in an effort to establish the civil rights of individual Black citizens
  1949. civil service
    the government workforce exclusive of military service
  1950. civilisation
    a society in an advanced state of social development
  1951. civilization
    a society in an advanced state of social development
  1952. Cl
    a chemical commonly used to purify water or to disinfect
  1953. clade
    a group of biological taxa or species that share features inherited from a common ancestor
  1954. Cladonia
    type genus of Cladoniaceae
  1955. Cladoniaceae
    a family of lichens
  1956. Cladorhyncus
    one of two genera of stilts
  1957. Cladrastis
    yellowwoods
  1958. Clamatores
    used in some classification systems
  1959. clan
    group of people related by blood or marriage
  1960. Clangula
    a genus of ducks
  1961. claque
    a group of followers hired to applaud at a performance
  1962. clarinet section
    the section of a band or orchestra that plays clarinets
  1963. class
    a collection of things sharing a common attribute
  1964. class Acrasiomycetes
    cellular slime molds
  1965. class Actinozoa
    a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed
  1966. class Amphibia
    the class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caecilians
  1967. class Angiospermae
    comprising flowering plants that produce seeds enclosed in an ovary; in some systems considered a class (Angiospermae) and in others a division (Magnoliophyta or Anthophyta)
  1968. class Anthoceropsida
    hornworts: in some classification systems included in the class Hepaticopsida
  1969. class Anthozoa
    a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed
  1970. class Aphasmidia
    one of two subgroups of Nematoda used in some classification systems
  1971. class Arachnida
    a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings
  1972. class Archiannelida
    a class of Annelida
  1973. class Ascidiaceae
    sometimes classified as an order: sea squirts
  1974. class Ascomycetes
    large class of higher fungi coextensive with division Ascomycota: sac fungi
  1975. class Asteroidea
    sea stars
  1976. class Aves
    (ornithology) the class of birds
  1977. class Bacillariophyceae
    marine and freshwater eukaryotic algae: diatoms
  1978. class Basidiomycetes
    large class of higher fungi coextensive with subdivision Basidiomycota
  1979. class Bivalvia
    oysters; clams; scallops; mussels
  1980. class Bryopsida
    true mosses: bryophytes having leafy rather than thalloid gametophytes: comprises orders Andreaeales; Bryales; Dicranales; Eubryales; Sphagnales
  1981. class Cephalopoda
    octopuses; squids; cuttlefish; pearly nautilus
  1982. class Cestoda
    tapeworms
  1983. class Channidae
    snakeheads
  1984. class Charophyceae
    in some classifications: contains only the order Charales
  1985. class Chilopoda
    arthropods having the trunk composed of numerous somites each bearing one pair of legs: centipedes
  1986. class Chlorophyceae
    algae distinguished chiefly by having flagella and a clear green color, their chlorophyll being masked little if at all by other pigments
  1987. class Chondrichthyes
    cartilaginous fishes
  1988. class Chrysophyceae
    all the yellow-green algae having flagella of unequal length
  1989. class Chytridiomycetes
    a class of mostly aquatic fungi
  1990. class Ciliata
    class of protozoa having cilia or hairlike appendages on part or all of the surface during some part of the life cycle
  1991. class Ciliophora
    class of protozoa having cilia or hairlike appendages on part or all of the surface during some part of the life cycle
  1992. class Coniferopsida
    cone-bearing gymnosperms dating from the Carboniferous period; most are substantial trees; includes the classes Pinopsida (subdivision Pinophytina) and Ginkgopsida (subdivision Ginkgophytina) and Taxopsida (subdivision Taxophytina) which in turn include the surviving orders Coniferales and Taxales (yews) and sometimes Ginkgoales as well as extinct orders such as Cordaitales (of the Carboniferous and Permian)
  1993. class Crinoidea
    sea lilies
  1994. class Crustacea
    class of mandibulate arthropods including: lobsters
  1995. class Cryptophyceae
    motile usually brownish-green protozoa-like algae
  1996. class Cyanobacteria
    photosynthetic bacteria found in fresh and salt water, having chlorophyll a and phycobilins; once thought to be algae: blue-green algae
  1997. class Cyanophyceae
    photosynthetic bacteria found in fresh and salt water, having chlorophyll a and phycobilins; once thought to be algae: blue-green algae
  1998. class Cycadopsida
    palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
  1999. class Cyclosporeae
    in more recent classifications superseded by the order Fucales
  2000. class Deuteromycetes
    form class; coextensive with subdivision Deuteromycota
  2001. class Diatomophyceae
    marine and freshwater eukaryotic algae: diatoms
  2002. class Dicotyledonae
    comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae
  2003. class Dicotyledones
    comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae
  2004. class Diplopoda
    arthropods having the body composed of numerous double somites each with two pairs of legs: millipedes
  2005. class Echinoidea
    sea urchins and sand dollars
  2006. class Equisetatae
    horsetails and related forms
  2007. class Euglenophyceae
    coextensive with the division Euglenophyta
  2008. class Eumycetes
    category used in some classifications: coextensive with division Eumycota
  2009. class Filicinae
    ferns
  2010. class Filicopsida
    ferns
  2011. class Flagellata
    protozoa having flagella
  2012. class Gasteromycetes
    fungi in which the hymenium is enclosed until after spores have matured: puffballs; earth stars; stinkhorn fungi
  2013. class Gasteropoda
    snails and slugs and their relatives
  2014. class Gastromycetes
    fungi in which the hymenium is enclosed until after spores have matured: puffballs; earth stars; stinkhorn fungi
  2015. class Gastropoda
    snails and slugs and their relatives
  2016. class Ginkgophytina
    ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications for one of five subdivisions of Gymnospermophyta
  2017. class Ginkgopsida
    ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications for one of five subdivisions of Gymnospermophyta
  2018. class Gnetopsida
    gymnospermous flowering plants
  2019. class Gymnospermae
    plants having naked seeds not enclosed in an ovary
  2020. class Hemiascomycetes
    class of fungi in which no ascocarps are formed: yeasts and some plant parasites
  2021. class Hepaticae
    liverworts: comprises orders Anthocerotales
  2022. class Hepaticopsida
    liverworts: comprises orders Anthocerotales
  2023. class Heterokontae
    all the yellow-green algae having flagella of unequal length
  2024. class Hexapoda
    insects; about five-sixths of all known animal species
  2025. class Hirudinea
    hermaphroditic aquatic or terrestrial or parasitic annelids
  2026. class Holothuroidea
    class of echinoderms including the sea cucumbers
  2027. class Hyalospongiae
    sponges with siliceous spicules that have six rays
  2028. class Hydrozoa
    coelenterates typically having alternation of generations
  2029. class Hymenomycetes
    used in some classifications
  2030. class Insecta
    insects; about five-sixths of all known animal species
  2031. class Lamellibranchia
    oysters; clams; scallops; mussels
  2032. class Larvacea
    small free-swimming tunicates
  2033. class Liliopsida
    comprising seed plants that produce an embryo with a single cotyledon and parallel-veined leaves: includes grasses and lilies and palms and orchids; divided into four subclasses or superorders: Alismatidae; Arecidae; Commelinidae; and Liliidae
  2034. class Lycopodiate
    club mosses and related forms: includes Lycopodiales
  2035. class Lycopodineae
    alternative designation for the class Lycopsida
  2036. class Lycopsida
    club mosses and related forms: includes Lycopodiales
  2037. class Magnoliopsida
    comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae
  2038. class Mammalia
    warm-blooded vertebrates characterized by mammary glands in the female
  2039. class Mastigophora
    protozoa having flagella
  2040. class Monocotyledonae
    comprising seed plants that produce an embryo with a single cotyledon and parallel-veined leaves: includes grasses and lilies and palms and orchids; divided into four subclasses or superorders: Alismatidae; Arecidae; Commelinidae; and Liliidae
  2041. class Monocotyledones
    comprising seed plants that produce an embryo with a single cotyledon and parallel-veined leaves: includes grasses and lilies and palms and orchids; divided into four subclasses or superorders: Alismatidae; Arecidae; Commelinidae; and Liliidae
  2042. class Musci
    true mosses: bryophytes having leafy rather than thalloid gametophytes: comprises orders Andreaeales; Bryales; Dicranales; Eubryales; Sphagnales
  2043. class Myriapoda
    arthropods having the body composed of numerous double somites each with two pairs of legs: millipedes
  2044. class Myxomycetes
    the class of true slime molds
  2045. class Nuda
    ctenophores lacking tentacles; comprises one genus: beroe
  2046. class Oligochaeta
    earthworms
  2047. class Onychophora
    enigmatic small elongated wormlike terrestrial invertebrates of damp dark habitats in warm regions; distinct from the phylum Annelida; resemble slugs with legs and are sometimes described as the missing link between arthropods and annelids
  2048. class Oomycetes
    nonphotosynthetic fungi that resemble algae and that reproduce by forming oospores; sometimes classified as protoctists
  2049. class Ophiuroidea
    brittle stars and basket stars
  2050. class Osteichthyes
    a class of fish having a skeleton composed of bone in addition to cartilage
  2051. class Pauropoda
    an obscure class of minute arthropods with branched antennae and 8 to 10 pairs of legs
  2052. class Pelecypoda
    oysters; clams; scallops; mussels
  2053. class Phaeophyceae
    brown algae; mostly marine and littoral eukaryotic algae
  2054. class Phasmidia
    one of two subgroups of Nematoda used in some classification systems
  2055. class Pinopsida
    most conifers: in some systems classified as a class (Pinopsida) and in others as a subdivision (Pinophytina); used in some classifications for one of five subdivisions of Gymnospermophyta
  2056. class Placodermi
    extinct group of bony-plated fishes with primitive jaws
  2057. class Plectomycetes
    class of fungi in which the fruiting body is a cleistothecium (it releases spores only on decay or disintegration)
  2058. class Polychaeta
    marine annelid worms
  2059. class Polyplacophora
    small class of marine mollusks comprising the chitons
  2060. class Psilopsida
    whisk ferns
  2061. class Psilotatae
    whisk ferns
  2062. class Pteridospermopsida
    extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies
  2063. class Pyrenomycetes
    class of fungi in which the fruiting body is a perithecium
  2064. class Reptilia
    class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals
  2065. class Rhodophyceae
    coextensive with the Rhodophyta: red algae
  2066. class Sarcodina
    characterized by the formation of pseudopods for locomotion and taking food: Actinopoda; Rhizopoda
  2067. class Scaphopoda
    small class of bilaterally symmetrical marine forms comprising the tooth shells
  2068. class Schizomycetes
    a former classification
  2069. class Scyphozoa
    coelenterates in which the polyp stage is absent or at least inconspicuous: jellyfishes
  2070. class Sphenopsida
    horsetails and related forms
  2071. class Sporozoa
    strictly parasitic protozoans that are usually immobile
  2072. class structure
    the organization of classes within a society
  2073. class Symphyla
    small class of minute arthropods
  2074. class Tardigrada
    in some classifications considered a separate phylum: microscopic arachnid-like invertebrates living in water or damp moss having 4 pairs of legs and instead of a mouth a pair of stylets or needlelike piercing organs connected with the pharynx
  2075. class Taxopsida
    yews: in some systems classified as a class (Taxopsida) and in others as a subdivision (Taxophytina) used in some classifications for one of five subdivisions of Gymnospermophyta
  2076. class Tentaculata
    ctenophores have retractile tentacles
  2077. class Thaliacea
    small class of free-swimming tunicates
  2078. class Tiliomycetes
    category used in some systems to comprise the two orders Ustilaginales (smuts) and Uredinales (rusts)
  2079. class Trematoda
    parasitic flatworms (including flukes)
  2080. class Turbellaria
    free-living flatworms
  2081. class Ulvophyceae
    alternative name for the class Chlorophyceae in some classifications
  2082. class Xanthophyceae
    yellow-green algae
  2083. class Zygomycetes
    class of fungi coextensive with subdivision Zygomycota
  2084. classical mythology
    the system of mythology of the Greeks and Romans together
  2085. classification
    the basic cognitive process of arranging into categories
  2086. Clathraceae
    family of fleshy fungi resembling stinkhorns
  2087. Clathrus
    type genus of the Clathraceae
  2088. clause
    a separate section of a legal document
  2089. Clavariaceae
    fleshy fungi: coral fungi
  2090. Claviceps
    fungi parasitic upon the ovaries of various grasses
  2091. Claytonia
    genus of mainly North American succulent herbs with white or pink flowers usually in terminal racemes
  2092. clearing house
    a central collection place where banks exchange checks or drafts; participants maintain an account against which credits or debits are posted
  2093. Cleistes
    terrestrial orchids of North and South America having slender fibrous roots; allied to genus Pogonia
  2094. Cleome
    tropical and subtropical annual or perennial herbs or low shrubs
  2095. clergy
    the entire class of religious officials
  2096. Cleridae
    beetles that prey on other insects
  2097. clerisy
    an educated and intellectual elite
  2098. Clethra
    type and sole genus of the Clethraceae
  2099. Clethraceae
    coextensive with the genus Clethra
  2100. Clethrionomys
    a genus of Cricetidae
  2101. clew
    a ball of yarn or cord or thread
  2102. clientele
    customers collectively
  2103. Cliftonia
    one species: titi
  2104. clinic
    a medical establishment run by a group of specialists
  2105. Clinidae
    viviparous blennies of temperate and tropical seas
  2106. Clinopodium
    wild basil
  2107. Clinton administration
    the executive under President Clinton
  2108. clique
    an exclusive circle of people with a common purpose
  2109. Clitocybe
    a genus of agarics with white to pale yellow spore deposits and fleshy stalks centrally attached to the cap and closely attached gills
  2110. Clitoria
    genus of tropical shrubs or vines having pinnate leaves and large axillary flowers
  2111. clod
    a compact mass
  2112. close corporation
    a corporation owned by a few people
  2113. close order
    a military formation for drill or marching
  2114. closed corporation
    a corporation owned by a few people
  2115. closed shop
    a company that hires only union members
  2116. closed-end fund
    a regulated investment company that issues a fixed number of shares which are listed on a stock market
  2117. closed-end investment company
    a regulated investment company that issues a fixed number of shares which are listed on a stock market
  2118. closely held corporation
    stock is publicly traded but most is held by a few shareholders who have no plans to sell
  2119. clot
    a lump of material formed from the content of a liquid
  2120. cloth
    artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
  2121. cloud
    a visible mass of water or ice particles suspended at a considerable altitude
  2122. Clovis culture
    the Paleo-American culture of Central America and North America; distinguished chiefly by sharp fluted projectile points made of obsidian or chalcedony
  2123. clowder
    a group of cats
  2124. club
    a formal association of people with similar interests
  2125. clubmoss family
    a family of ferns belonging to the order Lycopodiales
  2126. clump
    a grouping of a number of similar things
  2127. Clupea
    type genus of the Clupeidae: typical herrings
  2128. Clupeidae
    herrings; shad; sardines; etc.
  2129. Clusiaceae
    widely distributed family of chiefly tropical trees and shrubs and vines that produce oils and resins and some usable timber
  2130. cluster
    a grouping of a number of similar things
  2131. clustering
    a grouping of a number of similar things
  2132. clutch
    take hold of; grab
  2133. Cnemidophorus
    whiptails
  2134. Cnicus
    one species: blessed thistle
  2135. Cnidaria
    hydras; polyps; jellyfishes; sea anemones; corals
  2136. Cnidoscolus
    a genus of perennial plant with bristles
  2137. Cnidosporidia
    single-host parasites of lower vertebrates and invertebrates
  2138. CNPZ
    a terrorist organization in Bolivia that acts as an umbrella for numerous small indigenous subversive groups; a revival of a group with Marxist-Leninist ideologies originally established by Che Guevara in the 1960s
  2139. co-op
    a jointly owned commercial enterprise (usually organized by farmers or consumers) that produces and distributes goods and services and is run for the benefit of its owners
  2140. coagulum
    a lump of material formed from the content of a liquid
  2141. coal industry
    the producers of coal considered collectively
  2142. coalition
    the union of diverse things into one body or form or group
  2143. coastguard
    a military service responsible for the safety of maritime traffic in coastal waters
  2144. Cobitidae
    loaches
  2145. Coccidae
    scale insects
  2146. Coccidia
    an order in the subclass Telosporidia
  2147. Coccinellidae
    the ladybugs
  2148. Coccoidea
    scale insects and mealybugs
  2149. Coccothraustes
    large finches
  2150. Cocculus
    climbing plants or shrubs
  2151. Coccyzus
    a genus of Cuculidae
  2152. Cochlearia
    a genus of the family Cruciferae
  2153. Cochlearius
    boatbills
  2154. Cocos
    coconut palms
  2155. Codariocalyx
    used in some classifications for plants usually included in genus Desmodium
  2156. Codiaeum
    evergreen tropical trees and shrubs with thick and colorful leathery leaves; Malaya and Pacific islands
  2157. codon
    a specific sequence of three adjacent nucleotides on a strand of DNA or RNA that specifies the genetic code information for synthesizing a particular amino acid
  2158. Coelenterata
    hydras; polyps; jellyfishes; sea anemones; corals
  2159. coelenterate family
    a family of coelenterates
  2160. coelenterate genus
    a genus of coelenterates
  2161. Coeloglossum
    terrestrial orchids of cooler parts of North America and Europe: satyr orchid
  2162. Coereba
    type genus of the Coerebidae
  2163. Coerebidae
    the honeycreepers
  2164. coevals
    all the people living at the same time or of approximately the same age
  2165. Coffea
    coffee trees
  2166. cog railway
    railway for steep mountains
  2167. cohort
    a band of warriors
  2168. coin collection
    a collection of coins
  2169. Cola
    large genus of African trees bearing kola nuts
  2170. Colaptes
    a genus of Picidae
  2171. Colchicaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted: genera Colchicum and Gloriosa
  2172. Colchicum
    chiefly fall-blooming perennial cormous herbs
  2173. Coleonyx
    banded geckos
  2174. Coleoptera
    beetles
  2175. Colinus
    New World quail: the bobwhites
  2176. collage
    a paste-up of pieces to form an artistic image
  2177. collection
    the act of gathering something together
  2178. collective
    done by or characteristic of individuals acting together
  2179. collective farm
    a farm operated collectively
  2180. collectivism
    a theory that the people should own the means of production
  2181. college
    an institution of higher education
  2182. College of Cardinals
    (Roman Catholic Church) the body of cardinals who advise the Pope and elect new Popes
  2183. Collembola
    minute wingless arthropods: springtails
  2184. Collinsia
    genus of hardy annual herbs of western United States
  2185. Collinsonia
    small genus of perennial erect or spreading aromatic herbs
  2186. Collocalia
    a genus of Apodidae
  2187. collocate
    have a strong tendency to occur side by side
  2188. colloquium
    an academic meeting, conference, or seminar
  2189. Colocasia
    small genus of perennial tuberous herbs of tropical Asia: taro
  2190. colony
    a group of organisms of the same type living together
  2191. color
    a visual attribute of things from the light they emit
  2192. color scheme
    a planned combination of colors
  2193. color spectrum
    the distribution of colors produced when light is dispersed by a prism
  2194. Colorado Desert
    an arid region of southeastern California
  2195. colour
    a visual attribute of things from the light they emit
  2196. colour scheme
    a planned combination of colors
  2197. Coluber
    racers
  2198. Colubridae
    nonvenomous snakes; about two-thirds of all living species
  2199. Colubrina
    mostly tropical American shrubs or small trees with small yellowish flowers and yellow or red fruits
  2200. Columba
    type genus of the Columbidae: typical pigeons
  2201. Columbidae
    doves and pigeons
  2202. Columbiformes
    sand grouse; pigeons; doves; extinct dodos and solitaires
  2203. column
    a line of units following one after another
  2204. Colutea
    small genus of Eurasian shrubs with yellow flowers and bladdery pods
  2205. Colymbiformes
    grebes
  2206. coma
    a state of deep and often prolonged unconsciousness
  2207. Comandra
    small genus of chiefly North American parasitic plants
  2208. Comatula
    former usage synonymous with Antedon
  2209. Comatulidae
    former usage synonymous with Antedonidae
  2210. combination
    the act of bringing things together to form a new whole
  2211. combination in restraint of trade
    (law) any monopoly or contract or combination or conspiracy intended to restrain commerce (which are illegal according to antitrust laws of the United States)
  2212. combine
    put or add together
  2213. combo
    a small band of jazz musicians
  2214. Combretaceae
    a family of tropical trees and shrubs of the order Myrtales
  2215. combretum family
    a family of tropical trees and shrubs of the order Myrtales
  2216. command
    an authoritative direction or instruction to do something
  2217. commando
    an amphibious military unit trained for raids into enemy territory
  2218. Commelinaceae
    large widely distributed family of chiefly perennial herbs or climbers: spiderworts
  2219. Commelinales
    an order of monocotyledonous herbs
  2220. Commelinidae
    one of four subclasses or superorders of Monocotyledones
  2221. Commerce
    the United States federal department that promotes and administers domestic and foreign trade (including management of the census and the patent office); created in 1913
  2222. Commerce Department
    the United States federal department that promotes and administers domestic and foreign trade (including management of the census and the patent office); created in 1913
  2223. commercial agency
    an organization that provides businesses with credit ratings of other firms
  2224. commercial bank
    a financial institution that accepts demand deposits and makes loans and provides other services for the public
  2225. commercial credit company
    a finance company that makes loans to manufacturers and wholesalers
  2226. commercial enterprise
    the activity of providing goods and services involving financial and commercial and industrial aspects
  2227. commercial finance company
    a finance company that makes loans to manufacturers and wholesalers
  2228. commercial law
    the body of rules applied to commercial transactions
  2229. Commiphora
    genus of East Indian and African trees yielding balsamic products
  2230. commission
    the act of granting authority to undertake certain functions
  2231. Commission on Human Rights
    the commission of the Economic and Social Council of the United Nations that is concerned with human rights
  2232. Commission on Narcotic Drugs
    the commission of the Economic and Social Council of the United Nations that is concerned with drug traffic
  2233. Commission on the Status of Women
    the commission of the Economic and Social Council of the United Nations that is concerned with the status of women in different societies
  2234. commission plan
    a municipal government that combines legislative and executive authority in the members of a commission
  2235. committee
    a special group delegated to consider some matter
  2236. Committee for State Security
    formerly the predominant security police organization of Soviet Russia
  2237. committee meeting
    a meeting for administrative purposes
  2238. commodity brokerage
    a brokerage firm dealing in commodities
  2239. common arrowhead
    a weed
  2240. common carrier
    a person or firm in the business of transporting people or goods or messages
  2241. common front
    a movement in which several individuals or groups with different interests join together
  2242. common land
    a pasture subject to common use
  2243. common law
    a law established by following earlier judicial decisions
  2244. Common Market
    an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members
  2245. common people
    people in general (often used in the plural)
  2246. commonality
    sharing of common attributes
  2247. commonalty
    a class composed of persons lacking clerical or noble rank
  2248. commons
    a pasture subject to common use
  2249. commonwealth
    a political system in which power lies in a body of citizens
  2250. commonwealth country
    any of the countries in the British Commonwealth
  2251. Commonwealth of Independent States
    an alliance made up of states that had been Soviet Socialist Republics in the Soviet Union prior to its dissolution in Dec 1991
  2252. Commonwealth of Nations
    an association of nations consisting of the United Kingdom and several former British colonies that are now sovereign states but still pay allegiance to the British Crown
  2253. commune
    share or interact intimately with
  2254. Communications Security Establishment
    Canadian agency that gathers communications intelligence and assist law enforcement and security agencies
  2255. communion
    sharing thoughts and feelings
  2256. communism
    a theory favoring collectivism in a classless society
  2257. communist economy
    the managed economy of a communist state
  2258. Communist Party
    a political party that actively advocates a communist form of government; in Communist countries it is the sole political party of the state
  2259. Communist Party of Kampuchea
    a communist organization formed in Cambodia in 1970
  2260. community
    a group of people living in a particular local area
  2261. community chest
    a charity supported by individual subscriptions
  2262. community college
    a nonresidential junior college offering a curriculum fitted to the needs of the community
  2263. community of scholars
    the body of individuals holding advanced academic degrees
  2264. commutative group
    a group that satisfies the commutative law
  2265. commuter traffic
    traffic created by people going to or returning from work
  2266. company
    an institution created to conduct business
  2267. company union
    a union of workers for a single company
  2268. complement
    something added to embellish or make perfect
  2269. complex sentence
    a sentence composed of at least one main clause and one subordinate clause
  2270. complexion
    texture and appearance of the skin of the face
  2271. Compositae
    plants with heads composed of many florets: aster
  2272. composite school
    a large British or Canadian secondary school for children of all abilities
  2273. compost heap
    a heap of manure and vegetation and other organic residues that are decaying to become compost
  2274. compost pile
    a heap of manure and vegetation and other organic residues that are decaying to become compost
  2275. compound sentence
    a sentence composed of at least two coordinate independent clauses
  2276. comprehensive school
    a large British or Canadian secondary school for children of all abilities
  2277. Comptonia
    one species: sweet fern
  2278. Comptroller of the Currency
    the agency of the Treasury Department responsible for controlling the currency
  2279. computer business
    a business that manufactures and sells computers
  2280. computer dealer
    a firm that sells and buys computers
  2281. computer industry
    the manufacturers of computers considered collectively
  2282. concatenation
    the act of linking together as in a series or chain
  2283. concern
    something that interests you because it is important
  2284. concert band
    a group of musicians playing brass and woodwind and percussion instruments
  2285. conclave
    a confidential or secret meeting
  2286. concourse
    a wide hallway in a building where people can walk
  2287. Condylura
    star-nosed moles
  2288. Conepatus
    a genus of Mustelidae
  2289. confederacy
    a union of political organizations
  2290. Confederate Army
    the southern army during the American Civil War
  2291. confederation
    the state of being allied
  2292. conference
    a prearranged meeting for consultation or discussion
  2293. conga line
    a line of people in single file performing the conga dance
  2294. congeries
    a sum total of many heterogenous things taken together
  2295. conglomerate
    collect or gather
  2296. conglomeration
    a sum total of many varied things taken together
  2297. congregation
    the act of assembling
  2298. Congregation of the Inquisition
    an inquisition set up in Italy in 1542 to curb the number of Protestants
  2299. Congregational Christian Church
    merger of the Congregational Church and the Christian Church
  2300. Congregational Church
    a Protestant denomination holding that each individual congregation should be self-governing
  2301. congress
    a formal meeting, especially of representatives
  2302. Congress of Industrial Organizations
    a federation of North American industrial unions that merged with the American Federation of Labor in 1955
  2303. Congress of Racial Equality
    an organization founded by James Leonard Farmer in 1942 to work for racial equality
  2304. Congridae
    marine eels
  2305. Coniferales
    profusely branching and chiefly evergreen trees and some shrubs having narrow or needlelike leaves
  2306. Coniferophyta
    cone-bearing gymnosperms dating from the Carboniferous period; most are substantial trees; includes the classes Pinopsida (subdivision Pinophytina) and Ginkgopsida (subdivision Ginkgophytina) and Taxopsida (subdivision Taxophytina) which in turn include the surviving orders Coniferales and Taxales (yews) and sometimes Ginkgoales as well as extinct orders such as Cordaitales (of the Carboniferous and Permian)
  2307. Coniferophytina
    cone-bearing gymnosperms dating from the Carboniferous period; most are substantial trees; includes the classes Pinopsida (subdivision Pinophytina) and Ginkgopsida (subdivision Ginkgophytina) and Taxopsida (subdivision Taxophytina) which in turn include the surviving orders Coniferales and Taxales (yews) and sometimes Ginkgoales as well as extinct orders such as Cordaitales (of the Carboniferous and Permian)
  2308. Coniferopsida
    cone-bearing gymnosperms dating from the Carboniferous period; most are substantial trees; includes the classes Pinopsida (subdivision Pinophytina) and Ginkgopsida (subdivision Ginkgophytina) and Taxopsida (subdivision Taxophytina) which in turn include the surviving orders Coniferales and Taxales (yews) and sometimes Ginkgoales as well as extinct orders such as Cordaitales (of the Carboniferous and Permian)
  2309. Conilurus
    jerboa rats
  2310. Coniogramme
    terrestrial ferns of Pacific islands and Asia
  2311. Conium
    small genus of highly toxic biennials: hemlock
  2312. conjugal family
    a family consisting of parents and their children and grandparents of a marital partner
  2313. conjugation
    the state of being joined together
  2314. Connaraceae
    mostly tropical climbing shrubs or small trees
  2315. Connarus
    large genus of tropical trees and shrubs
  2316. Connochaetes
    African antelopes: gnus
  2317. Conocarpus
    monotypic genus of tropical American trees: button tree
  2318. Conoclinium
    mistflower
  2319. Conodonta
    extinct order of primitive vertebrates
  2320. Conodontophorida
    extinct order of primitive vertebrates
  2321. Conopodium
    a genus of dicotyledonous plants of the family Umbelliferae
  2322. Conospermum
    Australian shrubs with flowers in dense spikes: smoke bush
  2323. Conradina
    small genus of low aromatic shrubs of southeastern United States
  2324. conservancy
    the official conservation of trees and soil and rivers etc.
  2325. Conservative Judaism
    beliefs and practices of Conservative Jews
  2326. Conservative Party
    a political party (especially in Great Britain or Australia) that believes in the importance of a capitalist economy with private ownership rather than state control
  2327. conservatory
    a schoolhouse with special facilities for fine arts
  2328. consistory
    a church tribunal or governing body
  2329. Consolida
    plants having flowers resembling the larkspur's but differing from larkspur's in the arrangement of petals; sometimes included in genus Delphinium
  2330. consonant system
    the system of consonants used in a particular language
  2331. consonantal system
    the system of consonants used in a particular language
  2332. consort
    keep company with
  2333. consortium
    a cooperative association among institutions or companies
  2334. conspiracy
    a plot to carry out some harmful or illegal act
  2335. constabulary
    a force of police officers
  2336. Constance
    a lake in southeastern Germany on the northern side of the Swiss Alps; forms part of the Rhine River
  2337. Constantinople
    the largest city and former capital of Turkey
  2338. constituency
    the body of voters who elect a representative for their area
  2339. constituent
    one of the individual parts making up a composite entity
  2340. Constitutional Convention
    the convention of United States statesmen who drafted the United States Constitution in 1787
  2341. Constitutional Union Party
    a former political party in the United States
  2342. constitutionalism
    advocacy of government according to founding principles
  2343. construction
    the act of building something
  2344. construction industry
    an industry that builds housing
  2345. constructivism
    an abstractionist artistic movement in Russia after World War I; industrial materials were used to construct nonrepresentational objects
  2346. consulting company
    a firm of experts providing professional advice to an organization for a fee
  2347. consulting firm
    a firm of experts providing professional advice to an organization for a fee
  2348. consumer finance company
    a finance company that makes loans to people who have trouble getting a bank loan
  2349. contemporaries
    all the people living at the same time or of the same age
  2350. content
    satisfied or showing satisfaction with things as they are
  2351. contents
    a list of divisions and the pages on which they start
  2352. Continental Army
    the American army during the American Revolution
  2353. Continental Congress
    the legislative assembly composed of delegates from the rebel colonies who met during and after the American Revolution; they issued the Declaration of Independence and framed Articles of Confederation
  2354. contingent
    determined by conditions or circumstances that follow
  2355. Continuity Army Council
    a terrorist organization formed in Ireland in 1994 as a clandestine armed wing of Sinn Fein
  2356. Continuity Irish Republican Army
    a terrorist organization formed in Ireland in 1994 as a clandestine armed wing of Sinn Fein
  2357. continuous tense
    a tense of verbs used in describing action that is on-going
  2358. Contopus
    pewees
  2359. Contras
    a Nicaraguan counterrevolutionary guerrilla force from 1979 to 1990; it opposed a left-wing government, with support from the United States
  2360. contrivance
    the faculty of inventive skill
  2361. Conuropsis
    a genus of Psittacidae
  2362. Convallaria
    sometimes placed in family Convallariaceae: lily of the valley
  2363. Convallariaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
  2364. convent
    a religious residence especially for nuns
  2365. conventicle
    a building for religious assembly
  2366. convention
    the act of meeting formally
  2367. convocation
    the act of calling to a meeting
  2368. Convolvulaceae
    morning glory
  2369. convoy
    the act of escorting while in transit
  2370. Conyza
    common American weed or wildflower
  2371. cooperative
    involving the joint activity of two or more
  2372. coordinate clause
    a clause in a complex sentence that is grammatically equivalent to the main clause and that performs the same grammatical function
  2373. copartnership
    a partnership in which employees get a share of the profits in addition to their wages
  2374. Copepoda
    minute planktonic or parasitic crustaceans
  2375. Copernicia
    slow-growing tropical fan palms
  2376. coppice
    a dense growth of bushes
  2377. Coprinaceae
    used in some classifications for the genus Coprinus
  2378. Coprinus
    genus of black-spotted agarics in which the cap breaks down at maturity into an inky fluid; sometimes placed in its own family Coprinaceae
  2379. copse
    a dense growth of trees, shrubs, or bushes
  2380. Coptic Church
    the ancient Christian church of Egypt
  2381. Coptis
    small genus of low perennial herbs having yellow rhizomes and white or yellow flowers
  2382. Coracias
    type genus of the Coraciidae
  2383. Coraciidae
    rollers
  2384. Coraciiformes
    rollers
  2385. Coragyps
    a genus of Cathartidae
  2386. Corallorhiza
    genus of leafless root-parasitic orchids having small purplish or yellowish racemose flowers with lobed lips; widely distributed in temperate regions
  2387. Corchorus
    widely distributed genus of tropical herbs or subshrubs
  2388. Cordaitaceae
    chiefly Paleozoic plants
  2389. Cordaitales
    extinct plants having tall arborescent trunks comparable to or more advanced than cycads; known from the Pennsylvanian period; probably extinct since the Mesozoic era
  2390. Cordaites
    tall Paleozoic trees superficially resembling modern screw pines; structurally intermediate in some ways between cycads and conifers
  2391. Cordia
    tropical deciduous or evergreen trees or shrubs of the family Boraginaceae
  2392. cordon
    a series of sentinels or posts enclosing some place or thing
  2393. Cordylidae
    small family of spiny ovoviviparous African lizards
  2394. Cordyline
    Asiatic and Pacific trees or shrubs
  2395. Cordylus
    type genus of the Cordylidae
  2396. core
    the center of an object
  2397. core group
    a small group of indispensable persons or things
  2398. Coregonidae
    soft-finned fishes comprising the freshwater whitefishes
  2399. Coregonus
    type genus of the Coregonidae: whitefishes
  2400. Coreidae
    squash bugs and leaf-footed bugs
  2401. Coriandrum
    small genus of annual Mediterranean herbs
  2402. Corixa
    type genus of the Corixidae: boat bugs
  2403. Corixidae
    water bugs
  2404. corkwood family
    coextensive with the genus Leitneria
  2405. Cornaceae
    a rosid dicot family of the order Umbellales including: genera Aucuba, Cornus, Corokia, Curtisia, Griselinia, Helwingia
  2406. cornhusking
    the act of removing the husks from ears of corn
  2407. Cornus
    a rosid dicot genus of the family Cornaceae including: dogwood; cornel: perennial chiefly deciduous shrubs or small trees of temperate regions of northern hemisphere
  2408. Corokia
    evergreen shrubs with intricately twisted wiry stems that in summer are smothered in small yellow flowers; grows in New Zealand
  2409. coronal
    a circular band of flowers or other foliage
  2410. coronary care unit
    a hospital unit specially staffed and equipped to treat patients with serious cardiac problems
  2411. corp
    a business firm whose articles of incorporation have been approved in some state
  2412. corporate investor
    a company that invests in other companies
  2413. corporate trust
    a consortium of independent organizations formed to limit competition by controlling the production and distribution of a product or service
  2414. corporation
    a business firm recognized by law as a single body
  2415. corps
    an army unit usually consisting of two or more divisions
  2416. corps de ballet
    the chorus of a ballet company
  2417. corps diplomatique
    the body of diplomatic personnel
  2418. corpus
    a collection of writings
  2419. corrections
    the social control of offenders through a system of imprisonment and rehabilitation and probation and parole
  2420. correlation matrix
    a matrix giving the correlations between all pairs of data sets
  2421. correlation table
    a two-way tabulation of the relations between correlates
  2422. correspondence school
    a school that teaches nonresident students by mail
  2423. Corrodentia
    an order of insects: includes booklice and bark-lice
  2424. corsage
    an arrangement of flowers that is usually given as a present
  2425. Corsican Army
    a terrorist organization founded in 1999 to oppose the link between nationalists and the Corsican mafia
  2426. Cortaderia
    tall ornamental grasses of South America and New Zealand and New Guinea: pampas grass
  2427. Corticium
    genus of fungi having simple smooth sporophores
  2428. Cortinariaceae
    a family of fungi belonging to the order Agaricales
  2429. Cortinarius
    the largest genus in the Agaricales
  2430. cortege
    the group following and attending to some important person
  2431. Corvidae
    crow; raven; rook; jackdaw; chough; magpie; jay
  2432. Corvus
    type genus of the Corvidae: crows and ravens
  2433. Coryanthes
    small genus of tropical American epiphytic or lithophytic orchids
  2434. Corydalidae
    dobsons
  2435. Corydalis
    type genus of the Corydalidae
  2436. Corydalis sempervirens
    glaucous herb of northeastern United States and Canada having loose racemes of yellow-tipped pink flowers; sometimes placed in genus Fumaria
  2437. Corydalis solida
    herb of northern Europe and Asia having erect racemes of red flowers
  2438. Corydalus
    type genus of the Corydalidae
  2439. Corylaceae
    used in some classification systems for the genus Corylus
  2440. Corylopsis
    small genus of deciduous shrubs of temperate regions of Asia
  2441. Corylus
    deciduous monoecious nut-bearing shrubs of small trees: hazel; sometimes placed in the subfamily or family Corylaceae
  2442. Corynebacteriaceae
    a large family of mostly Gram-positive and aerobic and nonmotile rod-shaped bacteria of the order Eubacteriales
  2443. Corypha
    large fan palms of tropical Asia to Australia
  2444. Coryphaenidae
    large active pelagic percoid fish
  2445. Cosa Nostra
    a crime syndicate in the United States
  2446. Cosmocampus
    a genus of fish in the family Syngnathidae
  2447. coterie
    an exclusive circle of people with a common purpose
  2448. Cotingidae
    cotingas; umbrella birds
  2449. Cotinus
    smoke trees
  2450. Cottidae
    sculpins
  2451. Cottus
    type genus of the Cottidae: sculpins
  2452. Cotula
    cosmopolitan herbs especially southern hemisphere
  2453. Coturnix
    Old World quail
  2454. Coumarouna
    tropical American trees: tonka beans
  2455. council
    a body serving in an administrative capacity
  2456. Council of Basel-Ferrara-Florence
    the council in 1431-1439 that concentrated on the elimination of heresies and on reforms within the Roman Catholic Church
  2457. Council of Chalcedon
    the fourth ecumenical council in 451 which defined the two natures (human and divine) of Christ
  2458. Council of Constance
    the council in 1414-1418 that succeeded in ending the Great Schism in the Roman Catholic Church
  2459. Council of Economic Advisors
    an executive agency responsible for providing economic advice to the President
  2460. Council of Ephesus
    the third ecumenical council in 431 which declared Mary as mother of God and condemned Pelagius
  2461. Council of Trent
    a council of the Roman Catholic Church convened in Trento in three sessions between 1545 and 1563 to examine and condemn the teachings of Martin Luther and other Protestant reformers; redefined the Roman Catholic doctrine and abolished various ecclesiastical abuses and strengthened the papacy
  2462. Council of Vienne
    the council in 1311-1313 that dealt with alleged crimes of the Knights Templar, planned a new crusade, and took on the reformation of the clergy
  2463. Council on Environmental Policy
    the executive agency that advises the President on protecting the environment
  2464. Counter Reformation
    the reaction of the Roman Catholic Church to the Reformation reaffirming the veneration of saints and the authority of the Pope (to which Protestants objected); many leaders were Jesuits
  2465. Counterterrorist Center
    an agency that helps the Director of Central Intelligence coordinate counterterrorist efforts in order to preempt and disrupt and defeat terrorist activities at the earliest possible stage
  2466. country
    the territory occupied by a nation
  2467. country club
    an exclusive organization for socializing, sports, and activities
  2468. country people
    people living in the same country; compatriots
  2469. countryfolk
    people living in the same country; compatriots
  2470. county council
    the elected governing body of a county
  2471. couple
    two items of the same kind
  2472. course
    a connected series of events or actions or developments
  2473. court
    an assembly to conduct judicial business
  2474. court of appeals
    a court whose jurisdiction is to review decisions of lower courts or agencies
  2475. court of assize
    the county courts of England
  2476. court of assize and nisi prius
    the county courts of England
  2477. court of chancery
    a court with jurisdiction in equity
  2478. court of domestic relations
    a court in some states in the United States that has jurisdiction over family disputes (especially those involving children)
  2479. court of justice
    a tribunal that is presided over by a magistrate or by one or more judges who administer justice according to the laws
  2480. court of law
    a tribunal that is presided over by a magistrate or by one or more judges who administer justice according to the laws
  2481. Court of Saint James's
    the British royal court
  2482. court-martial
    a military tribunal that tries members of the armed services
  2483. coven
    an assembly of witches; usually 13 witches
  2484. covert
    secret or hidden
  2485. covey
    a small flock of birds
  2486. cow pasture
    a pasture for cows
  2487. Cracidae
    curassows; guans; chachalacas
  2488. Cracticidae
    Australian birds formerly included in the family Laniidae
  2489. Cracticus
    type genus of the Cracticidae: Australian butcherbirds
  2490. craft
    the skilled practice of a practical occupation
  2491. craft union
    a labor union whose membership is restricted to workers in a particular craft
  2492. Crambe
    annual or perennial herbs with large leaves that resemble the leaves of cabbages
  2493. crammer
    a student who crams
  2494. Crangon
    type genus of the family Crangonidae
  2495. Crangonidae
    shrimps
  2496. Craniata
    fishes; amphibians; reptiles; birds; mammals
  2497. Craspedia
    herbs of Australia and New Zealand
  2498. Crassostrea
    Virginia oysters
  2499. Crassula
    type genus of Crassulaceae
  2500. Crassulaceae
    succulent shrubs and herbs
  2501. Crataegus
    thorny shrubs and small trees: hawthorn; thorn; thorn apple
  2502. Crateva
    tropical genus of small trees or shrubs
  2503. Crax
    type genus of the Cracidae: curassows
  2504. cream
    the part of milk containing the butterfat
  2505. credit bureau
    a private firm that maintains consumer credit data files and provides credit information to authorized users for a fee
  2506. credit union
    a cooperative depository financial institution whose members can obtain loans from their combined savings
  2507. Creek Confederacy
    a North American Indian confederacy organized by the Muskogee that dominated the southeastern part of the United States before being removed to Oklahoma
  2508. Crepis
    hawk's-beard; cosmopolitan in northern hemisphere
  2509. Crescentia
    a genus of tropical American trees of the family Bignoniaceae; has a short trunk and crooked limbs and drooping branches
  2510. crew
    an organized group of workers
  2511. Crex
    corncrakes
  2512. Cricetidae
    mostly small New World rodents including New World mice and lemmings and voles and hamsters
  2513. Cricetus
    type genus of the Cricetidae: Old World hamsters
  2514. crime syndicate
    a loose affiliation of gangsters in charge of organized criminal activities
  2515. criminal court
    a court having jurisdiction over criminal cases
  2516. Criminal Intelligence Services of Canada
    an agency of the Canadian government that unifies the intelligence units of Canadian law enforcement agencies
  2517. Criminal Investigation Command
    the United States Army's principal law enforcement agency responsible for the conduct of criminal investigations for all levels of the Army anywhere in the world
  2518. Crinoidea
    sea lilies
  2519. Crocethia
    a genus of Scolopacidae
  2520. Crocodilia
    crocodiles; alligators; caimans; gavials
  2521. Crocodilus
    type genus of the Crocodylidae
  2522. Crocodylia
    crocodiles; alligators; caimans; gavials
  2523. Crocodylidae
    true crocodiles
  2524. Crocodylus
    type genus of the Crocodylidae
  2525. Crocuta
    a genus of Hyaenidae
  2526. Cronartium
    rust fungi having aecia produced in raised or swollen sori and teliospores borne in waxy columns
  2527. crop
    a cultivated plant that is grown commercially
  2528. cross-question
    a question asked in cross-examination
  2529. Crossopterygii
    fishes having paired fins resembling limbs and regarded as ancestral to amphibians
  2530. crossroads
    a crisis situation when a critical decision must be made
  2531. Crotalidae
    New World vipers: pit vipers
  2532. Crotalus
    large rattlesnakes
  2533. Crotaphytus
    collared lizards
  2534. Crotophaga
    ani
  2535. crowberry family
    heathlike shrubs
  2536. crowd
    a large number of things or people considered together
  2537. crowfoot family
    a family of Ranunculaceae
  2538. crown
    an ornamental jeweled headdress signifying sovereignty
  2539. crown of thorns
    a mock crown made of thorn branches that Roman soldiers placed on Jesus before the Crucifixion
  2540. Cruciferae
    a large family of plants with four-petaled flowers
  2541. crush
    compress with force, out of natural shape or condition
  2542. Crustacea
    class of mandibulate arthropods including: lobsters
  2543. Cryptacanthodes
    a genus of Stichaeidae
  2544. Cryptobranchidae
    large aquatic salamanders: hellbenders; giant salamanders
  2545. Cryptobranchus
    type genus of the Cryptobranchidae
  2546. Cryptocercidae
    a family of Blattodea
  2547. Cryptocercus
    cockroaches
  2548. Cryptogamia
    in former classification systems: one of two major plant divisions, including all plants that do not bear seeds: ferns, mosses, algae, fungi
  2549. Cryptogramma
    sometimes placed in family Polypodiaceae or Cryptogrammataceae
  2550. Cryptogrammataceae
    one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
  2551. Cryptomeria
    Japanese cedar; sugi
  2552. Cryptophyceae
    motile usually brownish-green protozoa-like algae
  2553. Cryptophyta
    a phylum in the kingdom Protoctista
  2554. Cryptotermes
    genus of dry wood termites
  2555. Cryptotis
    least shrews
  2556. CSE
    Canadian agency that gathers communications intelligence and assist law enforcement and security agencies
  2557. CSIS
    Canada's main foreign intelligence agency that gathers and analyzes information to provide security intelligence for the Canadian government
  2558. CTC
    an agency that helps the Director of Central Intelligence coordinate counterterrorist efforts in order to preempt and disrupt and defeat terrorist activities at the earliest possible stage
  2559. Ctenizidae
    large burrowing spiders
  2560. Ctenocephalides
    an arthropod genus of fleas
  2561. Ctenocephalus
    a former usage synonymous with Ctenocephalides
  2562. Ctenophora
    comb jellies
  2563. ctenophore family
    a family of ctenophores
  2564. ctenophore genus
    a genus of ctenophores
  2565. cubism
    an artistic movement featuring surfaces of geometric planes
  2566. Cuculidae
    includes cuckoo; ani; roadrunner
  2567. Cuculiformes
    cuckoos; touracos; etc.
  2568. Cuculus
    type genus of the Cuculidae
  2569. Cucumis
    cucumbers; muskmelons
  2570. cucurbit
    any plant of the family Cucurbitaceae
  2571. Cucurbita
    type genus of the Cucurbitaceae
  2572. Cucurbitaceae
    a family of herbaceous vines
  2573. Culcita
    includes some plants usually placed in e.g. genus Dicksonia: terrestrial ferns resembling bracken; tropical America; Malaysia to Australia and Polynesia; southwestern Europe and Atlantic islands
  2574. Culex
    type genus of the Culicidae: widespread genus of mosquitoes distinguished by holding the body parallel to the resting surface
  2575. Culicidae
    mosquitoes
  2576. cult
    a system of religious beliefs and rituals
  2577. cultivar
    a variety of a plant developed from a natural species and maintained under cultivation
  2578. cultural movement
    a group of people working together to advance certain cultural goals
  2579. culturati
    people interested in culture and cultural activities
  2580. culture
    all the knowledge and values shared by a society
  2581. Culver's physic
    a tall perennial herb having spikes of small white or purple flowers; common in eastern North America
  2582. Culver's root
    a tall perennial herb having spikes of small white or purple flowers; common in eastern North America
  2583. Culvers physic
    a tall perennial herb having spikes of small white or purple flowers; common in eastern North America
  2584. Culvers root
    a tall perennial herb having spikes of small white or purple flowers; common in eastern North America
  2585. Cuminum
    cumin
  2586. cumulation
    a collection of objects laid on top of each other
  2587. cumulus
    a globular cloud
  2588. Cuniculus
    pacas
  2589. cunonia family
    trees or shrubs or climbers; mostly southern hemisphere
  2590. Cunoniaceae
    trees or shrubs or climbers; mostly southern hemisphere
  2591. Cuon
    Asiatic wild dog
  2592. Cupressaceae
    cypresses and junipers and many cedars
  2593. Cupressus
    type genus of Cupressaceae
  2594. Curculionidae
    true weevils: snout beetles
  2595. Curcuma
    tropical Asiatic perennial herbs
  2596. Curia
    (Roman Catholic Church) the central administration governing the Roman Catholic Church
  2597. current
    occurring in or belonging to the present time
  2598. Cursorius
    coursers
  2599. Curtisia
    a large evergreen tree of South Africa
  2600. Cuscuta
    genus of twining leafless parasitic herbs lacking chlorophyll: dodder
  2601. custard-apple family
    chiefly tropical trees or shrubs
  2602. Customs Bureau
    the agency of the Treasury Department that enforces import tariffs
  2603. Customs Service
    the agency of the Treasury Department that enforces import tariffs
  2604. customs union
    an association of nations to promote free trade within the union and set common tariffs for nations that are not members
  2605. Cuterebra
    type genus of the Cuterebridae
  2606. Cuterebridae
    New World botflies
  2607. Cyamopsis
    small genus of annual usually hairy herbs of tropical Africa and Arabia
  2608. Cyamus
    whale lice
  2609. cyanide group
    the monovalent group -CN in a chemical compound
  2610. cyanide radical
    the monovalent group -CN in a chemical compound
  2611. cyano group
    the monovalent group -CN in a chemical compound
  2612. cyano radical
    the monovalent group -CN in a chemical compound
  2613. Cyanocitta
    New World jays
  2614. Cyanophyceae
    photosynthetic bacteria found in fresh and salt water, having chlorophyll a and phycobilins; once thought to be algae: blue-green algae
  2615. Cyanophyta
    prokaryotic organisms sometimes considered a class or phylum or subkingdom; coextensive with the Cyanophyceae: cyanobacteria (blue-green algae)
  2616. Cyathea
    type genus of the Cyatheaceae: tree ferns of the tropical rain forest to temperate woodlands
  2617. Cyatheaceae
    tropical tree ferns
  2618. cycad family
    ancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoids
  2619. Cycadaceae
    ancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoids
  2620. Cycadales
    primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms
  2621. Cycadofilicales
    fossil gymnospermous trees or climbing plants from the Devonian: seed ferns
  2622. Cycadophyta
    palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
  2623. Cycadophytina
    palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
  2624. Cycadopsida
    palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
  2625. Cycas
    type genus of Cycadaceae: genus of widely distributed Old World evergreen tropical trees having pinnate leaves and columnar stems covered with persistent bases of old leaves
  2626. Cyclades
    a group of over 200 islands in the southern Aegean
  2627. Cycladic civilisation
    the Bronze Age civilization on the Cyclades islands in the southern Aegean Sea that flourished 3000-1100 BC
  2628. Cycladic civilization
    the Bronze Age civilization on the Cyclades islands in the southern Aegean Sea that flourished 3000-1100 BC
  2629. Cycladic culture
    the Bronze Age civilization on the Cyclades islands in the southern Aegean Sea that flourished 3000-1100 BC
  2630. cycle
    a periodically repeated sequence of events
  2631. Cycliophora
    tiny marine organisms each the size of a period found in great numbers on lobsters' lips; identified tentatively in 1995 as a new phylum or as possible link between Entoprocta and Ectoprocta
  2632. Cycloloma
    a caryophyllaceous genus of the family Chenopodiaceae
  2633. Cyclopes
    only the silky anteater
  2634. Cyclophorus
    tropical Old World ferns having closely crowded circular sori and no indusia
  2635. Cyclopteridae
    lumpfishes
  2636. Cyclopterus
    type genus of the Cyclopteridae: lumpfishes
  2637. Cyclosorus
    small genus of terrestrial ferns of tropical and subtropical southern hemisphere
  2638. Cyclosporeae
    in more recent classifications superseded by the order Fucales
  2639. Cyclostomata
    primitive jawless aquatic vertebrate: lampreys; hagfishes
  2640. Cycnoches
    genus of epiphytic or terrestrial tropical American orchids
  2641. Cydippea
    ctenophores having two long pinnate tentacles
  2642. Cydippida
    ctenophores having two long pinnate tentacles
  2643. Cydippidea
    ctenophores having two long pinnate tentacles
  2644. Cydonia
    quince
  2645. Cygnus
    a constellation in the northern hemisphere between Pegasus and Draco in the Milky Way; contains a black hole
  2646. Cymatiidae
    tritons
  2647. Cynara
    artichoke; cardoon
  2648. Cynipidae
    a family of Hymenoptera
  2649. Cynips
    type genus of the Cynipidae: gall wasps
  2650. Cynocephalidae
    a family of Dermoptera
  2651. Cynocephalus
    type genus of the family Cynocephalidae
  2652. Cynodon
    creeping perennial grasses of tropical and southern Africa
  2653. Cynodontia
    a division of the order Therapsida from the Triassic period comprising small carnivorous tetrapod reptiles often with mammal-like teeth
  2654. Cynoglossidae
    tonguefishes
  2655. Cynoglossum
    a large genus of tall rough herbs belonging to the family Boraginaceae
  2656. Cynomys
    prairie dogs
  2657. Cynopterus
    a genus of Megachiroptera
  2658. Cynoscion
    sea trout
  2659. Cyon
    Asiatic wild dog
  2660. Cyperaceae
    bulrush; chufa; cotton grass; papyrus; umbrella plant
  2661. Cyperus
    type genus of Cyperaceae
  2662. Cyphomandra
    tree tomato
  2663. Cypraea
    type genus of the family Cypraeidae: the typical cowries
  2664. Cypraeidae
    family of marine gastropods comprising the cowries
  2665. cypress family
    cypresses and junipers and many cedars
  2666. Cyprinidae
    a family of fish including: carp; tench; roach; rudd; dace
  2667. Cypriniformes
    an order of animals including almost entirely freshwater fishes: characins; loaches; carp; suckers; sometimes classified as a suborder of Ostariophysi
  2668. Cyprinodontidae
    large family of small soft-finned fishes
  2669. Cyprinus
    type genus of the family Cyprinidae: carp
  2670. Cypripedium
    genus of chiefly American perennial leafy-stemmed orchids: lady's slippers; sometimes includes species of genus Paphiopedilum
  2671. Cyrtomium
    small genus of tropical Asiatic greenhouse ferns
  2672. cystic fibrosis transport regulator
    the gene that is mutated in cystic fibrosis
  2673. Cystophora
    hooded seals
  2674. Cystopteris
    chiefly small perennial rock ferns: bladder ferns
  2675. Cytisus
    large genus of stiff or spiny evergreen or deciduous Old World shrubs: broom
  2676. Daboecia
    a dicotyledonous genus of the family Ericaceae
  2677. Dacelo
    Australasian kingfishers
  2678. Dacninae
    the honeycreepers
  2679. Dacrycarpus
    evergreen coniferous shrubs or trees of New Zealand to Malaysia and Philippines
  2680. Dacrydium
    Australasian evergreen trees or shrubs
  2681. Dacrymyces
    type genus of the Dacrymycetaceae: fungi with a bifurcate basidium that lacks septa
  2682. Dacrymycetaceae
    a family of basidiomycetous fungi belonging to the order Tremellales having a bifurcate basidium that lacks septa
  2683. Dactylis
    a monocotyledonous grass of the family Gramineae
  2684. Dactyloctenium
    a monocotyledonous genus of the family Gramineae
  2685. Dactylopiidae
    cochineal insects
  2686. Dactylopius
    type genus of the Dactylopiidae
  2687. Dactylopteridae
    flying gurnards
  2688. Dactylopterus
    a genus of Dactylopteridae
  2689. Dactylorhiza
    genus of terrestrial orchids of Europe and Asia and North Africa
  2690. Dactyloscopidae
    sand stargazers
  2691. dadaism
    a nihilistic art movement (especially in painting) that flourished in Europe early in the 20th century; based on irrationality and negation of the accepted laws of beauty
  2692. Dagestani
    an ethnic minority living on the Caspian Sea in southwestern Russia and Azerbaijan
  2693. Dahna
    a desert in southern Saudi Arabia
  2694. daisy chain
    flower chain consisting of a string of daisies linked by their stems; worn by students on class day at some schools
  2695. Dalbergia
    large genus of tropical trees having pinnate leaves and paniculate flowers and cultivated commercially for their dramatically grained and colored timbers
  2696. Dalea
    indigo bush
  2697. Dama
    fallow deer
  2698. Damaliscus
    African antelopes: sassabies
  2699. damned
    people who are condemned to eternal punishment
  2700. Danaea
    fairly small terrestrial ferns of tropical America
  2701. Danaidae
    small family of usually tropical butterflies: monarch butterflies
  2702. Danaus
    type genus of the Danaidae: monarch butterflies
  2703. dance
    taking a series of rhythmical steps in time to music
  2704. dance band
    a group of musicians playing popular music for dancing
  2705. dance orchestra
    a group of musicians playing popular music for dancing
  2706. dance school
    a school where students are taught to dance
  2707. dancing school
    a school in which students learn to dance
  2708. daphne family
    family of trees and shrubs and herbs having tough bark that are found especially in Australia and tropical Africa
  2709. Darlingtonia
    one species: California pitcher plant
  2710. Darmera
    one species
  2711. DARPA
    the central research and development organization for the United States Department of Defense; responsible for developing new surveillance technologies since 9/11
  2712. Dasht-e-Kavir
    a salt desert in north central Iran
  2713. Dasht-e-Lut
    a desert in eastern Iran
  2714. Dasyatidae
    sting rays
  2715. Dasyatis
    type genus of the Dasyatidae
  2716. Dasypodidae
    armadillos
  2717. Dasyprocta
    type genus of the Dasyproctidae: agoutis
  2718. Dasyproctidae
    agoutis and pacas
  2719. Dasypus
    type genus of the Dasypodidae
  2720. Dasyuridae
    dasyures
  2721. Dasyurus
    type genus of the family Dasyuridae: native cats
  2722. data
    a collection of facts from which conclusions may be drawn
  2723. data hierarchy
    an arrangement of data consisting of sets and subsets such that every subset of a set is of lower rank than the set
  2724. date
    the specified day of the month
  2725. dative
    the category of nouns serving as the indirect object of a verb
  2726. dative case
    the category of nouns serving as the indirect object of a verb
  2727. Datura
    thorn apple
  2728. Daubentonia
    type genus; coextensive with the family Daubentoniidae
  2729. Daubentoniidae
    comprising solely the aye-aye
  2730. Daucus
    carrot
  2731. Davalliaceae
    one of a number of families into which Polypodiaceae has been subdivided in some classification systems
  2732. Daviesia
    genus of Australasian shrubs and subshrubs having small yellow or purple flowers followed by short triangular pods
  2733. Dawson River salmon
    a species of large fish found in Australian rivers
  2734. day school
    a private school taking day students only
  2735. day shift
    the work shift during the day (as 8 a.m. to 4 p.m.)
  2736. day watch
    workers who work during the day (as 8 a.m. to 4 p.m.)
  2737. DCCP
    an agency of the United Nations that promotes drug control and crime prevention
  2738. de facto segregation
    segregation (especially in schools) that happens in fact although not required by law
  2739. de jure segregation
    segregation that is imposed by law
  2740. DEA
    federal agency responsible for enforcing laws and regulations governing narcotics and controlled substances; goal is to immobilize drug trafficking organizations
  2741. dead
    no longer having or seeming to have or expecting to have life
  2742. deaf
    people who have hearing impairments
  2743. deal
    be in charge of, act on, or dispose of
  2744. dealer
    someone who purchases and maintains an inventory of goods to be sold
  2745. dealership
    a business established or operated under an authorization to sell or distribute a company's goods or services in a particular area
  2746. death squad
    a clandestine military or paramilitary team who murder political dissidents or petty criminals (usually with the government's tacit approval)
  2747. Death Valley
    a desert area that is part of the Mojave Desert in eastern California and southwestern Nevada; contains the lowest point in North America
  2748. Decapoda
    lobsters; crayfish; crabs; shrimps; prawns
  2749. Decapterus
    scads especially mackerel scad; cosmopolitan in distribution
  2750. deck
    any of various platforms built into a sailing vessel
  2751. deck of cards
    a pack of 52 playing cards
  2752. declarative sentence
    a sentence (in the indicative mood) that makes a declaration
  2753. declaratory sentence
    a sentence (in the indicative mood) that makes a declaration
  2754. declension
    the inflection of nouns, pronouns, and adjectives
  2755. deco
    a style of design that was popular in the 1920s and 1930s
  2756. deconstructivism
    a school of architecture based on the philosophical theory of deconstruction
  2757. Decumaria
    small genus of woody climbers with adhesive aerial roots
  2758. defeated
    people who are defeated
  2759. defence
    the act of shielding someone or something against attack
  2760. defence force
    an organization of defenders that provides resistance against attack
  2761. defending team
    (sports) the team that is trying to prevent the other team from scoring
  2762. defense
    the act of guarding someone or something against attack
  2763. Defense Advanced Research Projects Agency
    the central research and development organization for the United States Department of Defense; responsible for developing new surveillance technologies since 9/11
  2764. Defense Department
    the federal department responsible for safeguarding national security of the United States; created in 1947
  2765. defense force
    an organization of defenders that provides resistance against attack
  2766. Defense Information Systems Agency
    a combat support agency in the Department of Defense responsible for developing and operating and supporting information systems to serve the needs of the President and the Secretary of Defense and the Joint Chiefs of Staff
  2767. Defense Intelligence Agency
    an intelligence agency of the United States in the Department of Defense; is responsible for providing intelligence in support of military planning and operations and weapons acquisition
  2768. defense lawyers
    the defendant and his legal advisors collectively
  2769. Defense Logistics Agency
    a logistics combat support agency in the Department of Defense; provides worldwide support for military missions
  2770. Defense Reutilization and Marketing Service
    the organization in the Defense Logistics Agency that inventories and evaluates and sells reusable United States government surplus
  2771. defense team
    the defendant and his legal advisors collectively
  2772. Defense Technical Information Center
    the agency in the Department of Defense that provides scientific and technical information to federal agencies and their contractors
  2773. Delairea
    one species: German ivy
  2774. delegacy
    the state of serving as an official and authorized delegate or agent
  2775. delegation
    a group of representatives
  2776. deliberative assembly
    an assembly of people for the purpose of unhurried consideration and discussion
  2777. Delichon
    a genus of Hirundinidae
  2778. Delonix
    evergreen or deciduous trees of tropical Africa and India
  2779. Delphinapterus
    white whale
  2780. Delphinidae
    dolphins
  2781. Delphinus
    a constellation in the northern hemisphere near Pegasus and Aquila
  2782. Dematiaceae
    family of imperfect mushrooms having dark-colored hyphae or conidia
  2783. Demerara
    a former Dutch colony in South America; now a part of Guyana
  2784. demimonde
    a class of woman not considered respectable because of indiscreet or promiscuous behavior
  2785. Democratic Front for the Liberation of Palestine
    a Marxist-Leninist group that believes Palestinian goals can only be achieved by revolutionary change
  2786. Democratic Party
    the older of two major political parties in the United States
  2787. Democratic-Republican Party
    a former major political party in the United States in the early 19th century; opposed the old Federalist party; favored a strict interpretation of the constitution in order to limit the powers of the federal government
  2788. den
    the habitation of wild animals
  2789. Dendranthema
    comprises plants often included in the genus Chrysanthemum
  2790. Dendraspis
    mambas
  2791. Dendroaspis
    mambas
  2792. Dendrocalamus
    giant clump-forming bamboos
  2793. Dendrocolaptes
    type genus of the Dendrocolaptidae
  2794. Dendrocolaptidae
    woodhewers or woodcreepers
  2795. Dendroctonus
    genus of small bark beetles destructive especially to mature conifers
  2796. Dendroica
    a genus of Parulidae
  2797. Dendrolagus
    tree wallabies
  2798. Dendromecon
    one species: bush poppy
  2799. Denisonia
    copperheads
  2800. Dennstaedtia
    chiefly terrestrial ferns
  2801. Dennstaedtiaceae
    one of a number of families into which Polypodiaceae has been subdivided in some classification systems
  2802. denomination
    identifying word by which someone or something is called
  2803. dental school
    a graduate school offering study leading to degrees in dentistry
  2804. Dentaria
    usually included in genus Cardamine
  2805. dentition
    the eruption through the gums of baby teeth
  2806. Deparia
    classification used for 5 species of terrestrial ferns usually placed in other genera
  2807. department
    a specialized division of a large organization
  2808. Department of Agriculture
    the federal department that administers programs that provide services to farmers (including research and soil conservation and efforts to stabilize the farming economy); created in 1862
  2809. department of anthropology
    the academic department responsible for teaching and research in anthropology
  2810. department of biology
    the academic department responsible for teaching and research in biology
  2811. department of chemistry
    the academic department responsible for teaching and research in chemistry
  2812. Department of Commerce
    the United States federal department that promotes and administers domestic and foreign trade (including management of the census and the patent office); created in 1913
  2813. Department of Commerce and Labor
    a former executive department of the United States government; created in 1903 and split into two departments in 1913
  2814. department of computer science
    the academic department responsible for teaching and research in computer science
  2815. department of corrections
    the department of local government that is responsible for managing the treatment of convicted offenders
  2816. Department of Defense
    the federal department responsible for safeguarding national security of the United States; created in 1947
  2817. Department of Defense Laboratory System
    a defense laboratory that provides essential services in fundamental science for national security and environmental protection and provides technologies that contribute to industrial competitiveness
  2818. department of economics
    the academic department responsible for teaching and research in economics
  2819. Department of Education
    the United States federal department that administers all federal programs dealing with education (including federal aid to educational institutions and students); created 1979
  2820. Department of Energy
    the federal department responsible for maintaining a national energy policy of the United States; created in 1977
  2821. Department of Energy Intelligence
    an agency that collects political and economic and technical information about energy matters and makes the Department of Energy's technical and analytical expertise available to other members of the Intelligence Community
  2822. department of English
    the academic department responsible for teaching English and American literature
  2823. Department of Health and Human Services
    the United States federal department that administers all federal programs dealing with health and welfare; created in 1979
  2824. Department of Health Education and Welfare
    a former executive department of the United States government; created in 1953 and divided in 1979
  2825. department of history
    the academic department responsible for teaching history
  2826. Department of Homeland Security
    the federal department that administers all matters relating to homeland security
  2827. Department of Housing and Urban Development
    the United States federal department that administers federal programs dealing with better housing and urban renewal; created in 1965
  2828. Department of Justice
    the United States federal department responsible for enforcing federal laws (including the enforcement of all civil rights legislation); created in 1870
  2829. Department of Justice Canada
    an agency of the Canadian government that provides litigation and legal advice and opinions to the government
  2830. Department of Labor
    the federal department responsible for promoting the working conditions of wage earners in the United States; created in 1913
  2831. department of linguistics
    the academic department responsible for teaching and research in linguistics
  2832. department of local government
    a permanent department created to perform the work of a local government
  2833. department of mathematics
    the academic department responsible for teaching and research in mathematics
  2834. department of music
    the academic department responsible for teaching music and music appreciation
  2835. department of philosophy
    the academic department responsible for teaching philosophy
  2836. department of physics
    the academic department responsible for teaching and research in physics
  2837. department of psychology
    the academic department responsible for teaching and research in psychology
  2838. department of sociology
    the academic department responsible for teaching and research in sociology
  2839. Department of State
    the federal department in the United States that sets and maintains foreign policies
  2840. department of the federal government
    a department of the federal government of the United States
  2841. Department of the Interior
    the United States federal department charged with conservation and the development of natural resources; created in 1849
  2842. Department of the Treasury
    the federal department that collects revenue and administers federal finances; the Treasury Department was created in 1789
  2843. Department of Transportation
    the United States federal department that institutes and coordinates national transportation programs; created in 1966
  2844. Department of Veterans Affairs
    the United States federal department responsible for the interests of military veterans; created in 1989
  2845. dependent clause
    a section in a complex sentence that cannot stand alone
  2846. depository financial institution
    a financial institution that accepts deposits and channels the money into lending activities
  2847. deputation
    a group of representatives or delegates
  2848. Dermacentor
    vectors of important diseases of man and animals
  2849. Dermaptera
    earwigs and a few related forms
  2850. Dermatobia
    larvae live under the skin of domestic mammals and humans
  2851. Dermestidae
    carpet beetles
  2852. Dermochelyidae
    sea turtles
  2853. Dermochelys
    type genus of the Dermochelyidae: leatherback turtles
  2854. Dermoptera
    flying lemurs
  2855. descendants
    all of the offspring of a given progenitor
  2856. descent
    a movement downward
  2857. descriptive clause
    a subordinate clause that does not limit or restrict the meaning of the noun phrase it modifies
  2858. Descurainia
    includes annual or biennial herbs of America and Europe very similar to and often included among those of genera Sisymbrium or Hugueninia; not recognized in some classification systems
  2859. desert
    leave someone who needs or counts on you; leave in the lurch
  2860. Desmanthus
    genus of American herbs or shrubs with sensitive pinnate leaves and small whitish flowers
  2861. Desmidiaceae
    unicellular algae
  2862. Desmidium
    a genus of protoctist
  2863. Desmodium
    beggarweed; tick trefoil
  2864. Desmodontidae
    true vampire bats
  2865. Desmodus
    type genus of the Desmodontidae: vampire bats
  2866. Desmograthus
    an amphibian genus of Plethodontidae
  2867. despotism
    dominance through threat of punishment and violence
  2868. detachment
    lack of emotion or interest
  2869. detail
    a small part considered separately from the whole
  2870. detective agency
    an agency that makes inquiries for its clients
  2871. determinant
    a causal element or factor
  2872. Deuteromycetes
    form class; coextensive with subdivision Deuteromycota
  2873. Deuteromycota
    large and heterogeneous form division of fungi comprising forms for which no sexually reproductive stage is known
  2874. Deuteromycotina
    large and heterogeneous form division of fungi comprising forms for which no sexually reproductive stage is known
  2875. developing country
    a country that is poor and whose citizens are mostly agricultural workers but that wants to become more advanced socially and economically
  2876. developmentally challenged
    people collectively who are mentally retarded
  2877. DFLP
    a Marxist-Leninist group that believes Palestinian goals can only be achieved by revolutionary change
  2878. DIA
    an intelligence agency of the United States in the Department of Defense; is responsible for providing intelligence in support of military planning and operations and weapons acquisition
  2879. Diacalpa
    one species: delicate fern of foothills of Himalayas
  2880. Diadophis
    a genus of reptiles of the family Colubridae including ringneck snakes
  2881. diagonal
    having an oblique or slanted direction
  2882. diagonal matrix
    a square matrix with all elements not on the main diagonal equal to zero
  2883. Dialeurodes
    a genus of Aleyrodidae
  2884. Dianthus
    carnations and pinks
  2885. diapensia family
    north temperate low evergreen plants
  2886. Diapensiaceae
    north temperate low evergreen plants
  2887. Diapensiales
    used in some classifications: coextensive with family Diapensiaceae
  2888. diarchy
    a form of government having two joint rulers
  2889. Diaspididae
    armored scales
  2890. diaspora
    the dispersion of something that was originally localized
  2891. Diatomophyceae
    marine and freshwater eukaryotic algae: diatoms
  2892. Dibranchia
    comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda (squids and cuttlefish)
  2893. Dibranchiata
    comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda (squids and cuttlefish)
  2894. Dicamptodontidae
    large and small highly aquatic salamanders
  2895. Dicentra
    North American and Asian herbs with divided leaves and irregular flowers
  2896. Diceros
    most common species in Africa
  2897. dichotomy
    a classification into two opposed parts or subclasses
  2898. Dicksonia
    tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems placed in family Cyatheaceae
  2899. Dicksoniaceae
    tree ferns: genera Dicksonia, Cibotium, Culcita, and Thyrsopteris elegans
  2900. dicot family
    family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
  2901. dicot genus
    genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
  2902. Dicotyledonae
    comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae
  2903. Dicotyledones
    comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae
  2904. Dicranaceae
    mosses having costate leaves and long-stalked capsules with cleft peristome
  2905. Dicranales
    widely distributed order of mosses with erect gametophores and sporophytes at the tips of stems
  2906. Dicranopteris
    terrestrial ferns of forest margin or open ground
  2907. Dicranum
    type genus of Dicranaceae
  2908. Dicrostonyx
    pied lemmings
  2909. Dictamnus
    a dicotyledonous genus of the family Rutaceae
  2910. dictatorship
    a form of government in which the ruler is unconstrained
  2911. Dictyophera
    closely related to genus Phallus distinguished by an indusium hanging like a skirt from below the pileus
  2912. Dictyoptera
    in some classifications replaced by the orders (here suborders) Blattodea (cockroaches) and Manteodea (mantids); in former classifications often subsumed under a much broader order Orthoptera
  2913. Dicynodontia
    a division of Therapsida
  2914. Didelphidae
    opossums
  2915. Didelphis
    type genus of the family Didelphidae
  2916. Dieffenbachia
    evergreen perennial herbs of tropical America with lush foliage and poisonous sap; often cultivated as houseplants
  2917. Diervilla
    small genus of low deciduous shrubs: bush honeysuckles
  2918. diet
    the usual food and drink consumed by an organism
  2919. Digitaria
    crab grass; finger grass
  2920. Dilleniaceae
    chiefly tropical shrubs and trees and climbers having leathery leaves or flattened leaflike stems: genera Dillenia and Hibbertia
  2921. dilleniid dicot family
    family of more or less advanced dicotyledonous trees and shrubs and herbs
  2922. dilleniid dicot genus
    genus of more or less advanced dicotyledonous trees and shrubs and herbs
  2923. Dilleniidae
    a group of families of more or less advanced trees and shrubs and herbs having either polypetalous or gamopetalous corollas and often with ovules attached to the walls of the ovary; contains 69 families including Ericaceae and Cruciferae and Malvaceae; sometimes classified as a superorder
  2924. Dimocarpus
    longan
  2925. Dimorphotheca
    South African herbs or subshrubs with usually yellow flowers
  2926. diningroom set
    a suite of furniture for the dining room
  2927. diningroom suite
    a suite of furniture for the dining room
  2928. DINK
    a couple who both have careers and no children
  2929. dinky
    small and insignificant
  2930. dinner
    the main meal of the day served in the evening or at midday
  2931. dinner party
    a party of people assembled to have dinner together
  2932. Dinocerata
    small order of primitive ungulates of the Paleocene and Eocene
  2933. Dinoflagellata
    in some classifications considered a phylum of the kingdom Protista; in others included in the plant phylum Pyrrophyta
  2934. Dinornis
    type genus of the Dinornithidae: large moas
  2935. Dinornithidae
    moas
  2936. Dinornithiformes
    a ratite bird order: recently extinct flightless birds of New Zealand
  2937. Diodon
    type genus of the Diodontidae
  2938. Diodontidae
    spiny puffers
  2939. Diomedeidae
    albatrosses
  2940. Dionaea
    a genus of the family Droseraceae
  2941. Dioscorea
    yams
  2942. Dioscoreaceae
    yams
  2943. Diospyros
    a genus of trees or shrubs that have beautiful and valuable wood
  2944. Diphylla
    vampire bats
  2945. Dipladenia
    genus of tropical South American tuberous perennial woody vines with large racemose flowers and milky sap
  2946. diplomatic corps
    the body of diplomatic personnel
  2947. diplomatic mission
    a mission serving diplomatic ends
  2948. diplomatic service
    the body of diplomatic personnel
  2949. Diplopoda
    arthropods having the body composed of numerous double somites each with two pairs of legs: millipedes
  2950. Diplopterygium
    scandent thicket-forming ferns of Asia to western Pacific
  2951. Diplotaxis
    wall rocket
  2952. Dipnoi
    bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of Crossopterygii
  2953. Dipodidae
    Old World jerboas
  2954. Dipodomys
    kangaroo rats
  2955. Dipogon
    one species: Australian pea
  2956. Dippers
    a Baptist denomination founded in 1708 by Americans of German descent; opposed to military service and taking legal oaths; practiced trine immersion
  2957. Dipsacaceae
    chiefly southern European herbs with flowers usually in dense cymose heads
  2958. Dipsacus
    type genus of the Dipsacaceae: teasel
  2959. Dipsosaurus
    desert iguanas
  2960. Diptera
    a large order of insects having a single pair of wings and sucking or piercing mouths; includes true flies and mosquitoes and gnats and crane flies
  2961. Dipterocarpaceae
    chiefly tropical Asian trees with two-winged fruits
  2962. Dipteronia
    small genus of large deciduous shrubs having large clusters of winged seeds that turn red as they mature; central and southern China
  2963. Dipteryx
    tropical American trees: tonka beans
  2964. Dipus
    type genus of the Dipodidae
  2965. Dirca
    deciduous shrub of North America: leatherwood
  2966. direct mailer
    a distributor who uses direct mail to sell merchandise
  2967. direct object
    the object that receives the direct action of the verb
  2968. direct sum
    a union of two disjoint sets in which every element is the sum of an element from each of the disjoint sets
  2969. direct-grant school
    formerly a school that charged tuition fees and also received government grants in return for admitting certain non-paying students who were nominated by the local authorities
  2970. directorate
    a group of persons chosen to govern the affairs of a corporation or other large institution
  2971. Directorate for Inter-Services Intelligence
    the Pakistan intelligence agency
  2972. DISA
    a combat support agency in the Department of Defense responsible for developing and operating and supporting information systems to serve the needs of the President and the Secretary of Defense and the Joint Chiefs of Staff
  2973. disabled
    people collectively who are crippled or otherwise physically handicapped
  2974. disc pack
    (computer science) a portable pack of magnetic disks used in a disk storage device
  2975. Disciples of Christ
    a Protestant church that accepts the Bible as the only source of true Christian faith and practices baptism by immersion
  2976. Discocephali
    small order of fishes comprising the remoras
  2977. Discoglossidae
    family of Old World toads having a fixed disklike tongue
  2978. discomfited
    people who are defeated
  2979. Discomycetes
    a large and taxonomically difficult group of Ascomycetes in which the fleshy fruiting body is disklike or cup-shaped
  2980. discount chain
    a chain of discount stores
  2981. discussion section
    a small class of students who are part of a larger course but are taught separately
  2982. disk pack
    (computer science) a portable pack of magnetic disks used in a disk storage device
  2983. Dissident Irish Republican Army
    a radical terrorist group that broke away in 1997 when the mainstream Provisional IRA proposed a cease-fire; has continued terrorist activities in opposition to any peace agreement
  2984. distributor
    a person with authority to allot or deal out or apportion
  2985. ditchmoss
    submerged freshwater perennials
  2986. divan
    a long backless sofa, usually with pillows
  2987. Divine Unity
    an Islamic terrorist cell that originated in Jordan but operates in Germany; goal is to attack Europe and Russia with chemical weapons
  2988. division
    the act of partitioning
  2989. division Anthophyta
    comprising flowering plants that produce seeds enclosed in an ovary; in some systems considered a class (Angiospermae) and in others a division (Magnoliophyta or Anthophyta)
  2990. division Archaebacteria
    in some classifications considered a kingdom
  2991. division Bryophyta
    a division of nonflowering plants characterized by rhizoids rather than true roots and having little or no organized vascular tissue and showing alternation of generations between gamete-bearing forms and spore-bearing forms; comprises true mosses (Bryopsida) and liverworts (Hepaticopsida) and hornworts (Anthoceropsida)
  2992. division Chlorophyta
    large division of chiefly freshwater eukaryotic algae that possess chlorophyll a and b, store food as starch, and cellulose cell walls; classes Chlorophyceae, Ulvophyceae, and Charophyceae; obviously ancestral to land plants
  2993. division Chrysophyta
    mostly freshwater eukaryotic algae having the chlorophyll masked by brown or yellow pigment; yellow-green and golden-brown algae and diatoms: Xanthophyceae, Chrysophyceae, Bacillariophyceae; some classification systems superseded or subsumed by Heterokontophyta
  2994. division Cyanophyta
    prokaryotic organisms sometimes considered a class or phylum or subkingdom; coextensive with the Cyanophyceae: cyanobacteria (blue-green algae)
  2995. division Cynodontia
    a division of the order Therapsida from the Triassic period comprising small carnivorous tetrapod reptiles often with mammal-like teeth
  2996. division Dicynodontia
    a division of Therapsida
  2997. division Eubacteria
    one-celled monerans having simple cells with rigid walls and (in motile types) flagella
  2998. division Euglenophyta
    free-swimming flagellate algae
  2999. division Eumycota
    true fungi
  3000. division Gymnomycota
    slime molds
  3001. division Gymnospermophyta
    plants having naked seeds not enclosed in an ovary
  3002. division Heterokontophyta
    algae having chlorophyll a and usually c, and flagella of unequal lengths; terminology supersedes Chrysophyta in some classifications
  3003. division Lichenes
    comprising the lichens which grow symbiotically with algae
  3004. division Magnoliophyta
    comprising flowering plants that produce seeds enclosed in an ovary; in some systems considered a class (Angiospermae) and in others a division (Magnoliophyta or Anthophyta)
  3005. division Myxomycota
    slime molds
  3006. division Phaeophyta
    coextensive with class Phaeophyceae
  3007. division Protista
    eukaryotic one-celled living organisms distinct from multicellular plants and animals: protozoa, slime molds, and eukaryotic algae
  3008. division Pteridophyta
    containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
  3009. division Rhodophyta
    lower plants; mostly marine and littoral eukaryotic algae
  3010. division Schizophyta
    former term for the Cyanophyta
  3011. division Spermatophyta
    seed plants
  3012. division Tracheophyta
    in former classifications: comprising plants with a vascular system including ferns and fern allies as well as seed plants
  3013. divorce court
    a court having jurisdiction over the termination of marriage contracts
  3014. diwan
    a Muslim council of state
  3015. Dixiecrats
    a former political party in the United States
  3016. DoC
    the United States federal department that promotes and administers domestic and foreign trade (including management of the census and the patent office); created in 1913
  3017. DoD
    the federal department responsible for safeguarding national security of the United States; created in 1947
  3018. Dodonaea
    a genus of tropical shrub or tree
  3019. DOE
    the federal department responsible for maintaining a national energy policy of the United States; created in 1977
  3020. DOEI
    an agency that collects political and economic and technical information about energy matters and makes the Department of Energy's technical and analytical expertise available to other members of the Intelligence Community
  3021. dogbane family
    chiefly tropical trees or shrubs or herbs having milky juice and often showy flowers; many are sources of drugs
  3022. dogwood family
    a rosid dicot family of the order Umbellales including: genera Aucuba, Cornus, Corokia, Curtisia, Griselinia, Helwingia
  3023. DoI
    the United States federal department charged with conservation and the development of natural resources; created in 1849
  3024. DoJ
    the United States federal department responsible for enforcing federal laws (including the enforcement of all civil rights legislation); created in 1870
  3025. DoJC
    an agency of the Canadian government that provides litigation and legal advice and opinions to the government
  3026. DoL
    the federal department responsible for promoting the working conditions of wage earners in the United States; created in 1913
  3027. Dolichonyx
    bobolinks
  3028. Dolichos
    genus of chiefly tropical vines often placed in genera Dipogon or Lablab or Macrotyloma
  3029. Dolichotis
    maras
  3030. Doliolidae
    oceanic tunicates
  3031. domain
    a particular environment or walk of life
  3032. domestic relations court
    a court in some states in the United States that has jurisdiction over family disputes (especially those involving children)
  3033. dominant
    most frequent or common
  3034. dominant allele
    an allele that produces the same phenotype whether its paired allele is identical or different
  3035. dominant gene
    gene that produces the same phenotype in the organism whether or not its allele identical
  3036. Dominican order
    a Roman Catholic order of mendicant preachers founded in the 13th century
  3037. Dominion
    one of the self-governing nations in the British Commonwealth
  3038. Doodia
    in some classification systems placed in family Polypodiaceae; small terrestrial colony-forming ferns of Australasia
  3039. doomed
    people who are destined to die soon
  3040. Dorian
    the ancient Greek inhabitants of Doris who entered Greece from the north about 1100 BC
  3041. Doronicum
    genus of Eurasian perennial tuberous or rhizomatous herbs: leopard's bane
  3042. Dorotheanthus
    a caryophyllaceous genus of Dorotheanthus
  3043. Dorylinae
    army ants
  3044. Doryopteris
    small to medium tropical tufted ferns
  3045. DoS
    the federal department in the United States that sets and maintains foreign policies
  3046. DoT
    the United States federal department that institutes and coordinates national transportation programs; created in 1966
  3047. dot com
    a company that operates its business primarily on the internet using a URL that ends in `.com'
  3048. dot com company
    a company that operates its business primarily on the internet using a URL that ends in `.com'
  3049. dot matrix
    a rectangular matrix of dots from which written characters can be formed
  3050. dot-com
    a company that operates its business primarily on the internet using a URL that ends in `.com'
  3051. double date
    a date in which two couples participate
  3052. doubly transitive verb
    a transitive verb that takes both a direct and an indirect object
  3053. doubly transitive verb form
    a transitive verb that takes both a direct and an indirect object
  3054. Dovyalis
    small genus of sometimes spiny shrubs or small trees
  3055. Downing Street
    the British government
  3056. Dracaenaceae
    one of two subfamilies to which some classification systems assign some members of the Agavaceae
  3057. Dracenaceae
    one of two subfamilies to which some classification systems assign some members of the Agavaceae
  3058. Draco
    Athenian lawmaker whose code of laws prescribed death for almost every offense (circa 7th century BC)
  3059. Dracocephalum
    genus of American herbs and dwarf shrubs of the mind family: dragonheads
  3060. Dracula
    comprises tropical American species usually placed in genus Masdevallia: diminutive plants having bizarre and often sinister-looking flowers with pendulous scapes and motile lips
  3061. Dracunculidae
    greatly elongated roundworm
  3062. Dracunculus
    type genus of the family Dracunculidae
  3063. draft board
    a board to select personnel for involuntary military service
  3064. dragnet
    a conical fishnet dragged through the water at great depths
  3065. dramatis personae
    the actors in a play
  3066. Dreissena
    zebra mussels
  3067. Drepanididae
    Hawaiian honeycreepers
  3068. Drepanis
    a genus of Drepanididae
  3069. Drimys
    shrubs and trees of southern hemisphere having aromatic foliage
  3070. driving school
    a school where people are taught to drive automobiles
  3071. DRMS
    the organization in the Defense Logistics Agency that inventories and evaluates and sells reusable United States government surplus
  3072. Dromaeosauridae
    swift-running bipedal dinosaurs
  3073. Dromaius
    a genus of birds in the order Casuariiformes
  3074. Drosera
    the type genus of Droseraceae including many low bog-inhabiting insectivorous plants
  3075. Droseraceae
    a family of carnivorous herbs and shrubs
  3076. Drosophilidae
    fruit flies
  3077. Drosophyllum
    one species
  3078. drove
    a group of animals (a herd or flock) moving together
  3079. drug cartel
    an illicit cartel formed to control the production and distribution of narcotic drugs
  3080. drug company
    a company that makes and sells pharmaceuticals
  3081. Drug Enforcement Administration
    federal agency responsible for enforcing laws and regulations governing narcotics and controlled substances; goal is to immobilize drug trafficking organizations
  3082. Drug Enforcement Agency
    federal agency responsible for enforcing laws and regulations governing narcotics and controlled substances; goal is to immobilize drug trafficking organizations
  3083. drumhead court-martial
    a military court convened to hear urgent charges of offenses committed in action
  3084. Dryadella
    comprises tropical American species usually placed in genus Masdevallia: very dwarf plants having short tufted and usually unifoliate stems with usually solitary flowers
  3085. Dryas
    mountain avens
  3086. Drymarchon
    a genus of Colubridae
  3087. Drymoglossum
    epiphytic ferns of Madagascar to tropical Asia and New Guinea
  3088. Drynaria
    large robust epiphytic ferns of tropical forest and scrub
  3089. Dryopithecus
    genus of Old World hominoids; Miocene and Pliocene
  3090. Dryopteridaceae
    alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
  3091. Dryopteris
    large widespread genus of medium-sized terrestrial ferns
  3092. DS
    an honorary degree in science
  3093. DTIC
    the agency in the Department of Defense that provides scientific and technical information to federal agencies and their contractors
  3094. duality
    a classification into two opposed parts or subclasses
  3095. duckweed family
    family of small free-floating thalloid plants
  3096. duet
    two performers or singers who perform together
  3097. duette
    two performers or singers who perform together
  3098. Dugongidae
    a family of mammals of order Sirenia including dugongs and Steller's sea cow
  3099. Duma
    a legislative body in the ruling assembly of Russia and of some other republics in the former USSR
  3100. Dumetella
    catbirds
  3101. dunghill
    a heap of dung or refuse
  3102. Dunkers
    a Baptist denomination founded in 1708 by Americans of German descent; opposed to military service and taking legal oaths; practiced trine immersion
  3103. duo
    two items of the same kind
  3104. Durio
    a genus of tall Asian trees of the family Bombacaceae
  3105. Dusicyon
    crab-eating dog
  3106. Dutch
    the people of the Netherlands
  3107. Dutch people
    the people of the Netherlands
  3108. dyarchy
    a form of government having two joint rulers
  3109. dynasty
    a sequence of powerful leaders in the same family
  3110. Dysdercus
    a genus of slender long-legged bugs that feed on the developing seeds of cotton and stain it
  3111. Dytiscidae
    water beetles
  3112. Eacles
    imperial moths
  3113. East
    the countries of Asia
  3114. East India Company
    an English company formed in 1600 to develop trade with the new British colonies in India and southeastern Asia; in the 18th century it assumed administrative control of Bengal and held it until the British army took over in 1858 after the Indian Mutiny
  3115. East Turkestan Islamic Movement
    a group of Uighur Muslims fighting Chinese control of Xinjiang; declared by China in 2001 to be terrorists although there is a long history of cycles of insurgency and repression
  3116. East Turkistan Islamic Movement
    a group of Uighur Muslims fighting Chinese control of Xinjiang; declared by China in 2001 to be terrorists although there is a long history of cycles of insurgency and repression
  3117. Eastern Church
    derived from the Byzantine Church and adhering to Byzantine rites
  3118. Eastern Desert
    a desert in Egypt between the Nile River and the Red Sea
  3119. Eastern Orthodox
    of or relating to or characteristic of the Eastern Orthodox Church
  3120. Eastern Orthodox Church
    derived from the Byzantine Church and adhering to Byzantine rites
  3121. Ebenaceae
    fruit and timber trees of tropical and warm regions including ebony and persimmon
  3122. Ebenales
    trees or shrubs of the families Ebenaceae or Sapotaceae or Styracaceae or Symplocaceae
  3123. ebony family
    fruit and timber trees of tropical and warm regions including ebony and persimmon
  3124. Eburophyton
    a monocotyledonous genus of the family Orchidaceae
  3125. EC
    an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members
  3126. Ecballium
    exploding cucumber; squirting cucumber
  3127. ecclesiastical law
    the body of codified laws governing the affairs of a Christian church
  3128. echelon
    level of authority in a hierarchy
  3129. Echeneididae
    fishes having a sucking disk on the head for clinging to other fishes and to ships
  3130. Echeneis
    type genus of the Echeneididae: typical remoras
  3131. Echidnophaga
    a genus of Siphonaptera
  3132. Echinacea
    small genus of North American coarse perennial herbs
  3133. Echinocereus
    large genus of low-growing shrubby ribbed cacti of Mexico and southwestern United States
  3134. Echinochloa
    annual or perennial succulent grasses of warm regions
  3135. echinoderm family
    a family of echinoderms
  3136. echinoderm genus
    a genus of echinoderms
  3137. Echinodermata
    radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
  3138. Echinoidea
    sea urchins and sand dollars
  3139. Echinops
    genus of Mediterranean and Eurasian herbs: globe thistles
  3140. Echium
    a genus of bristly herbs and shrubs of the family Boraginaceae
  3141. Economic and Social Council
    a permanent council of the United Nations
  3142. Economic and Social Council commission
    a commission of the Economic and Social Council of the United Nations
  3143. Economic Commission for Africa
    the commission of the Economic and Social Council of the United Nations that is concerned with economic development of African nations
  3144. Economic Commission for Asia and the Far East
    the commission of the Economic and Social Council of the United Nations that is concerned with economic development of countries in Asia and the Far East
  3145. Economic Commission for Europe
    the commission of the Economic and Social Council of the United Nations that is concerned with economic development in Europe
  3146. Economic Commission for Latin America
    the commission of the Economic and Social Council of the United Nations that is concerned with economic development in Latin America
  3147. economic system
    the system of production and distribution and consumption
  3148. economics department
    the academic department responsible for teaching and research in economics
  3149. economics profession
    the body of professional economists
  3150. economy
    the system of production and distribution and consumption
  3151. ECOSOC
    a permanent council of the United Nations
  3152. ECOSOC commission
    a commission of the Economic and Social Council of the United Nations
  3153. ecosystem
    organisms interacting with their physical environment
  3154. Ectopistes
    a genus of Columbidae
  3155. Ectoprocta
    coextensive with or a subphylum of Bryozoa
  3156. ecumenical council
    (early Christian church) one of seven gatherings of bishops from around the known world under the presidency of the Pope to regulate matters of faith and morals and discipline
  3157. ecumenical movement
    a movement aimed to promote understanding and cooperation among Christian churches; aimed ultimately at universal Christian unity
  3158. ecumenism
    a movement promoting union between religions
  3159. Edaphosauridae
    a family of reptiles of the order Pelycosauria
  3160. Edentata
    order of mammals having few or no teeth including: New World anteaters; sloths; armadillos
  3161. edition
    the form in which a text is published
  3162. editorial department
    the department of a publishing business that edits material for publication
  3163. Education
    the United States federal department that administers all federal programs dealing with education (including federal aid to educational institutions and students); created 1979
  3164. Education Department
    the United States federal department that administers all federal programs dealing with education (including federal aid to educational institutions and students); created 1979
  3165. educational institution
    an institution dedicated to education
  3166. EEC
    an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members
  3167. Eelam
    the independent state that the Tamil Tigers have fought for
  3168. eelgrass family
    used in some classifications: essentially equivalent to Potamogetonaceae
  3169. Egeria
    small genus of dioecious tropical aquatic plants
  3170. Egretta
    small Old and New World herons
  3171. EGTK
    a terrorist group that is the remnants of the original Bolivian insurgents trained by Che Guevara; attacks small unprotected targets such as power pylons or oil pipelines or government buildings
  3172. Egyptian Islamic Jihad
    an Islamic extremist group active since the late 1970s
  3173. Eichhornia
    water hyacinth; water orchid
  3174. Eight
    a group of United States painters founded in 1907 and noted for their realistic depictions of sordid aspects of city life
  3175. eightsome
    eight people considered as a unit
  3176. Eimeriidae
    a family of protoctist in the order Coccidia
  3177. Eira
    a genus of Mustelidae
  3178. el
    a railway that is powered by electricity and that runs on a track that is raised above the street level
  3179. ELA
    an extreme leftist terrorist group formed in Greece in 1971 to oppose the military junta that ruled Greece from 1967 to 1974; a revolutionary group opposed to capitalism and imperialism and the United States
  3180. Elaeagnaceae
    shrubs or small trees often armed
  3181. Elaeagnus
    oleaster
  3182. Elaeis
    oil palms
  3183. Elaeocarpaceae
    genus of trees and shrubs widely distributed in warm regions some yielding useful timber; in some classifications included in the family Santalaceae
  3184. Elaeocarpus
    type genus of the family Elaeocarpaceae
  3185. elaeocarpus family
    genus of trees and shrubs widely distributed in warm regions some yielding useful timber; in some classifications included in the family Santalaceae
  3186. Elagatis
    a genus of Carangidae
  3187. Elanoides
    a genus of kites
  3188. Elanus
    a genus of small kites of both Old and New Worlds
  3189. Elaphe
    North American rat snakes
  3190. Elaphurus
    a genus of Cervidae
  3191. Elapidae
    cobras
  3192. Elasmobranchii
    sharks; rays; dogfishes; skates
  3193. Elateridae
    click beetles and certain fireflies
  3194. elderly
    very old or advanced in years
  3195. elect
    choose by a vote for an office or membership
  3196. election commission
    a commission delegated to supervise an election
  3197. electoral college
    the body that formally selects the United States president
  3198. electorate
    the body of enfranchised citizens; those qualified to vote
  3199. electric company
    a public utility that provides electricity
  3200. electrochemical series
    a serial arrangement of metallic elements or ions according to their electrode potentials determined under specified conditions; the order shows the tendency of one metal to reduce the ions of any other metal below it in the series
  3201. electromagnetic spectrum
    the entire frequency range of electromagnetic waves
  3202. electromotive force series
    a serial arrangement of metallic elements or ions according to their electrode potentials determined under specified conditions; the order shows the tendency of one metal to reduce the ions of any other metal below it in the series
  3203. electromotive series
    a serial arrangement of metallic elements or ions according to their electrode potentials determined under specified conditions; the order shows the tendency of one metal to reduce the ions of any other metal below it in the series
  3204. electron shell
    a grouping of electrons surrounding the nucleus of an atom
  3205. electronics company
    a company that makes and sells electronic instruments
  3206. electronics industry
    the manufacturers of electronic products considered collectively
  3207. Electrophoridae
    small family comprising the electric eels
  3208. Electrophorus
    type genus of the family Electrophoridae; electric eels
  3209. elementary school
    a school for young children; usually the first 6 or 8 grades
  3210. Eleocharis
    sedges having dense spikes of flowers and leaves reduced to basal sheaths
  3211. Eleotridae
    sleepers
  3212. Elephantidae
    elephants
  3213. Elephantopus
    perennial American herb
  3214. Elephas
    type genus of the family Elephantidae
  3215. Elettaria
    cardamom
  3216. Eleusine
    annual and perennial grasses of savannas and upland grasslands
  3217. Eleutherodactylus
    completely terrestrial robber frogs
  3218. elevated
    raised above the ground
  3219. elevated railroad
    a railway that is powered by electricity and that runs on a track that is raised above the street level
  3220. elevated railway
    a railway that is powered by electricity and that runs on a track that is raised above the street level
  3221. eleven
    the cardinal number that is the sum of ten and one
  3222. Elgin Marbles
    a collection of classical Greek marble sculptures and fragments of architecture created by Phidias; chiefly from the Parthenon in Athens
  3223. Eliomys
    lerots
  3224. elite
    a group or class of persons enjoying superior status
  3225. elite group
    a group or class of persons enjoying superior intellectual or social or economic status
  3226. elm family
    a dicot family of the order Urticales including: genera Ulmus, Celtis, Planera, Trema
  3227. ELN
    a Marxist terrorist group formed in 1963 by Colombian intellectuals who were inspired by the Cuban Revolution; responsible for a campaign of mass kidnappings and resistance to the government's efforts to stop the drug trade
  3228. Elodea
    submerged freshwater perennials
  3229. Elopidae
    tarpons and ladyfishes
  3230. Elops
    type genus of the Elopidae: tenpounder
  3231. Elymus
    tall tufted perennial grasses
  3232. embassy
    a building where diplomats live or work
  3233. embed
    fix or set securely or deeply
  3234. Emberiza
    Old World buntings
  3235. Emberizidae
    buntings and some New World sparrows
  3236. Embiodea
    web spinners
  3237. Embioptera
    web spinners
  3238. Embiotocidae
    viviparous percoid fishes comprising the surf fishes
  3239. embolus
    an abnormal particle circulating in the blood
  3240. Embothrium
    small genus of South American evergreen shrubs or small trees with long willowy branches and flowers in flamboyant terminal clusters
  3241. Emilia
    tropical African herbs
  3242. emission spectrum
    spectrum of electromagnetic radiation emitted by a self-luminous source
  3243. Emmanthe
    one species: yellow bells
  3244. Empetraceae
    heathlike shrubs
  3245. Empetrum
    crowberries
  3246. empire
    the domain ruled by a single authoritative sovereign
  3247. employment agency
    an agency that finds people to fill particular jobs or finds jobs for unemployed people
  3248. employment office
    an agency that finds people to fill particular jobs or finds jobs for unemployed people
  3249. Emydidae
    box and water turtles
  3250. enabling legislation
    legislation that gives appropriate officials the authority to implement or enforce the law
  3251. Encelia
    genus of shrubs of southwestern United States and Mexico: brittlebush
  3252. Enceliopsis
    small genus of xerophytic herbs of southwestern United States
  3253. encounter group
    a meeting of people to develop mutual understanding by freely expressing emotions
  3254. Encyclia
    large genus of epiphytic and lithophytic orchids of tropical and subtropical Americas and West Indies; formerly included in genus Epidendrum
  3255. Endamoeba
    the type genus of the family Endamoebidae
  3256. Endamoebidae
    a large family of endoparasitic amebas that invade the digestive tract
  3257. endangered species
    a species whose numbers are so small that the species is at risk of extinction
  3258. Endomycetales
    fungi having a zygote or a single cell developing directly into an ascus
  3259. Endoprocta
    sometimes considered a subphylum of Bryozoa
  3260. enemy
    a personal foe
  3261. Energy
    the federal department responsible for maintaining a national energy policy of the United States; created in 1977
  3262. Energy Department
    the federal department responsible for maintaining a national energy policy of the United States; created in 1977
  3263. engagement
    a meeting arranged in advance
  3264. engineering school
    a technical school offering instruction in many industrial arts and applied sciences
  3265. English
    of or relating to England or its culture or people
  3266. English department
    the academic department responsible for teaching English and American literature
  3267. English people
    the people of England
  3268. Engraulidae
    anchovies
  3269. Engraulis
    type genus of the family Engraulidae
  3270. Enhydra
    sea otters
  3271. enlightened
    having knowledge and spiritual insight
  3272. Enlightenment
    a movement in Europe from about 1650 until 1800 that advocated the use of reason and individualism instead of tradition and established doctrine
  3273. enosis
    the union of Greece and Cyprus
  3274. enrollment
    the act of registering for something
  3275. enrolment
    the act of registering for something
  3276. ensemble
    an assemblage of parts considered as forming a whole
  3277. Ensete
    Old World tropical herbs: Abyssinian bananas
  3278. Ensis
    razor clams
  3279. Entandrophragma
    cedar mahogany trees
  3280. Entelea
    a genus of evergreen shrub that grows in New Zealand
  3281. entente
    an informal alliance between countries
  3282. entente cordiale
    an informal alliance between countries
  3283. Enterobacteriaceae
    a large family of Gram-negative rod-shaped bacteria of the order Eubacteriales
  3284. Enterobius
    pinworms
  3285. Enterolobium
    small genus of tropical American timber trees closely allied to genus Albizia
  3286. enterprise
    a purposeful or industrious undertaking
  3287. entertainment industry
    those involved in providing entertainment: radio and television and films and theater
  3288. Entoloma
    agarics with pink spores but lacking both volva and annulus
  3289. Entolomataceae
    a family of fungi belonging to the order Agaricales
  3290. Entomophthora
    type genus of the Entomophthoraceae
  3291. Entomophthoraceae
    mostly parasitic lower fungi that typically develop in the bodies of insects
  3292. Entomophthorales
    coextensive with the family Entomophthoraceae
  3293. Entomostraca
    in some older classifications includes the Branchiopoda and Copepoda and Ostracoda and Cirripedia; no longer in technical use
  3294. Entoprocta
    sometimes considered a subphylum of Bryozoa
  3295. entourage
    the group following and attending to some important person
  3296. Environmental Protection Agency
    an independent federal agency established to coordinate programs aimed at reducing pollution and protecting the environment
  3297. EPA
    an independent federal agency established to coordinate programs aimed at reducing pollution and protecting the environment
  3298. Epacridaceae
    Australasian shrubs or small trees
  3299. epacris family
    Australasian shrubs or small trees
  3300. Ephedraceae
    ephedras: in some classifications included in the Gnetaceae
  3301. Ephemerida
    mayflies
  3302. Ephemeridae
    mayflies
  3303. Ephemeroptera
    mayflies
  3304. Ephestia
    small moths whose larvae spin silken tunnels and feed on stored food products
  3305. Ephesus
    an ancient Greek city on the western shore of Asia Minor in what is now Turkey; site of the Temple of Artemis; was a major trading center and played an important role in early Christianity
  3306. Ephippidae
    small family comprising the spadefishes
  3307. Ephippiorhynchus
    saddlebills
  3308. Epidendrum
    large and variable genus of terrestrial or epiphytic or lithophytic orchids of tropical and subtropical Americas; some native to United States
  3309. Epigaea
    small creeping evergreen shrubs: trailing arbutus
  3310. Epilachna
    genus of ladybugs native to Mexico and Central America
  3311. Epilobium
    large widely distributed genus of herbs and subshrubs of especially western North America and Arctic areas
  3312. Epimedium
    herbaceous perennials of Mediterranean to India and eastern Asia
  3313. Epinephelus
    genus of groupers or sea bass
  3314. Epipactis
    genus of hardy orchids with leafy-bracted racemes of greenish or purplish irregular flowers
  3315. Epipremnum
    small genus of evergreen lianas of southeastern Asia to western Pacific areas
  3316. episcopacy
    the collective body of bishops
  3317. Episcopal Church
    United States church that is in communication with the see of Canterbury
  3318. Episcopal Church of Scotland
    an autonomous branch of the Anglican Communion in Scotland
  3319. episcopate
    the office and dignity of a bishop
  3320. Eptesicus
    a genus of Vespertilionidae
  3321. Equetus
    drumfish
  3322. Equidae
    the taxonomic family of horses and related animals
  3323. Equisetaceae
    sole surviving family of the Equisetales: fern allies
  3324. Equisetales
    lower tracheophytes in existence since the Devonian
  3325. Equisetatae
    horsetails and related forms
  3326. Equisetum
    horsetails; coextensive with the family Equisetaceae
  3327. Equus
    type genus of the Equidae: only surviving genus of the family Equidae
  3328. Eragrostis
    annual or perennial grasses of tropics and subtropics
  3329. Eranthis
    winter aconite
  3330. Ercilla
    a genus of evergreen climbers
  3331. Erethizon
    a genus of Erethizontidae
  3332. Erethizontidae
    New World arboreal porcupines
  3333. Eretmochelys
    hawksbills
  3334. Erianthus
    genus of reedlike grasses having spikes crowded in a panicle covered with long silky hairs
  3335. Ericaceae
    heathers
  3336. Ericales
    Ericaceae
  3337. Erigeron
    cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally
  3338. Erignathus
    bearded seals
  3339. Erinaceidae
    true hedgehogs
  3340. Erinaceus
    type genus of the family Erinaceidae: hedgehogs
  3341. Eriobotrya
    Asiatic evergreen fruit trees
  3342. Eriocaulaceae
    chiefly tropical aquatic or bog herbs: pipeworts
  3343. Eriocaulon
    type genus of the Eriocaulaceae: rushlike aquatic or marginal perennials usually found in shallow waters of acid lakes and pools and bogs
  3344. Eriodictyon
    small genus of evergreen shrubs of southwestern United States and Mexico
  3345. Eriophorum
    cotton grass
  3346. Eriophyllum
    genus of hairy herbs and shrubs of western North America
  3347. Eriosoma
    woolly aphids
  3348. Erithacus
    Old World thrushes
  3349. Erodium
    geraniums of Europe and South America and Australia especially mountainous regions
  3350. Erolia
    a genus of Scolopacidae
  3351. Eruca
    annual to perennial herbs of the Mediterranean region
  3352. Eryngium
    large genus of decorative plants with thistlelike flower heads; cosmopolitan in distribution
  3353. Erysimum
    large genus of annual or perennial herbs some grown for their flowers and some for their attractive evergreen leaves; Old World and North America
  3354. Erysiphaceae
    family of fungi parasitic mostly on leaves
  3355. Erysiphales
    saprophytic and parasitic fungi that live on plants
  3356. Erysiphe
    genus of powdery mildews
  3357. Erythrocebus
    patas
  3358. Erythronium
    perennial bulbous herbs most of northern United States: dogtooth violet; adder's tongue; trout lily; fawn lily
  3359. Erythroxylaceae
    a family of plants of order Geraniales
  3360. Erythroxylon
    a large genus of South American shrubs and small trees of the family Erythroxylaceae
  3361. Erythroxylum
    a large genus of South American shrubs and small trees of the family Erythroxylaceae
  3362. escadrille
    a small squadron
  3363. Eschrichtiidae
    comprising only the grey whales
  3364. Eschrichtius
    type and sole genus of the Eschrichtiidae
  3365. Eschscholtzia
    showy herbs of western North America
  3366. Esocidae
    pikes; pickerels; muskellunges
  3367. Esox
    type and only genus of the family Esocidae
  3368. espionage network
    a network of spies
  3369. established church
    the church that is recognized as the official church of a nation
  3370. establishment
    the act of forming something
  3371. estate
    extensive landed property retained by the owner
  3372. estate of the realm
    a major social class or order of persons regarded collectively as part of the body politic of the country (especially in the United Kingdom) and formerly possessing distinct political rights
  3373. Estates General
    assembly of the estates of all France; last meeting in 1789
  3374. estivation
    cessation or slowing of activity during the summer
  3375. Estrilda
    avadavats
  3376. ETA
    a terrorist organization organized in 1959 by student activists who were dissatisfied with the moderate nationalism of the traditional Basque party; want to create an independent homeland in Spain's western Pyrenees
  3377. ethanoyl group
    the organic group of acetic acid (CH3CO-)
  3378. ethanoyl radical
    the organic group of acetic acid (CH3CO-)
  3379. ethics committee
    a committee appointed to consider ethical issues
  3380. ethics panel
    a committee appointed to consider ethical issues
  3381. ethnic group
    people of the same race or nationality who share a distinctive culture
  3382. ethnic minority
    a group that has different national or cultural traditions from the majority of the population
  3383. ethnos
    people of the same race or nationality who share a distinctive culture
  3384. ethyl
    the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom
  3385. ethyl group
    the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom
  3386. ethyl radical
    the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom
  3387. Eton College
    a public school for boys founded in 1440
  3388. Etropus
    a genus of Bothidae
  3389. EU
    an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members
  3390. Euarctos
    American black bears
  3391. Euascomycetes
    category not used in many classification systems
  3392. Eubacteriales
    one of two usually recognized orders of true bacteria
  3393. Eubryales
    mosses with perennial erect gametophores and stems with rows of leaves and drooping capsules
  3394. Eucarya
    quandong trees
  3395. Eucinostomus
    a genus of Gerreidae
  3396. Euderma
    a genus of Vespertilionidae
  3397. Eudyptes
    rock hoppers
  3398. Eugenia
    tropical trees and shrubs with aromatic leaves and often valuable hard wood
  3399. Euglenaceae
    considered green algae
  3400. Euglenophyceae
    coextensive with the division Euglenophyta
  3401. Euglenophyta
    free-swimming flagellate algae
  3402. Eumeces
    New World skinks
  3403. Eumenes
    mason wasps
  3404. Eumetopias
    sea lions
  3405. Eumops
    mastiff bats
  3406. Eumycetes
    category used in some classifications: coextensive with division Eumycota
  3407. Eumycota
    true fungi
  3408. Eunectes
    anacondas
  3409. Euonymus
    widely distributed chiefly evergreen shrubs or small trees or vines
  3410. Eupatorium
    large genus of chiefly tropical herbs having heads of white or purplish flowers
  3411. Euphagus
    a genus of Icteridae
  3412. Euphausiacea
    small commonly luminescent crustaceans
  3413. Euphorbia
    type genus of the Euphorbiaceae: very large genus of diverse plants all having milky juice
  3414. Euphorbiaceae
    a family of plants of order Geraniales
  3415. Euphractus
    a genus of Dasypodidae
  3416. Euplectella
    a genus of Hyalospongiae
  3417. Euproctis
    a genus of Lymantriidae
  3418. euro
    the basic monetary unit of most members of the European Union (introduced in 1999); in 2002 twelve European nations (Germany, France, Belgium, Luxembourg, the Netherlands, Italy, Spain, Portugal, Ireland, Greece, Austria, Finland) adopted the euro as their basic unit of money and abandoned their traditional currencies
  3419. euronithopod
    widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon)
  3420. Euronithopoda
    widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon)
  3421. Europe
    the 2nd smallest continent
  3422. European Central Bank
    the central bank of those members of the European Union who share a common currency
  3423. European Community
    an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members
  3424. European Economic Community
    an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members
  3425. European Law Enforcement Organisation
    police organization for the European Union
  3426. European Union
    an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members
  3427. Europol
    police organization for the European Union
  3428. Eurotiales
    order of fungi having a closed ascocarp (cleistothecium) with the asci scattered rather than gathered in a hymenium
  3429. Eurotium
    a genus of fungi belonging to the order Eurotiales
  3430. Euryale
    (Greek mythology) one of the three Gorgons
  3431. Euryalida
    basket stars
  3432. Eurylaimi
    broadbills
  3433. Eurylaimidae
    coextensive with the suborder Eurylaimi
  3434. Eurypterida
    extinct aquatic arthropods of the Paleozoic
  3435. Euskadi ta Askatasuna
    a terrorist organization organized in 1959 by student activists who were dissatisfied with the moderate nationalism of the traditional Basque party; want to create an independent homeland in Spain's western Pyrenees
  3436. Eustoma
    small genus of herbs of warm regions of southern North America to northern South America
  3437. Eutamias
    chipmunks of western America and Asia
  3438. Euterpe
    (Greek mythology) the Muse of music (or the flute)
  3439. Eutheria
    all mammals except monotremes and marsupials
  3440. Euthynnus
    a genus of Scombridae
  3441. Evangelical and Reformed Church
    a Protestant denomination of Calvinist faith
  3442. Evangelical United Brethren Church
    a Methodist denomination
  3443. evening shift
    the work shift during the evening (as 4 p.m. to midnight)
  3444. evening-primrose family
    a large and widely distributed family of plants of the order Myrtales
  3445. Evernia
    lichens of the family Usneaceae having a pendulous or shrubby thallus
  3446. Exacum
    genus of tropical Asiatic and African plants: especially Persian violets
  3447. Exaeretodon
    a genus of reptiles of the division Cynodontia
  3448. exaltation
    the elevation of a person, as to the status of a god
  3449. EXEC
    the chief executive department of the United States government
  3450. executive
    a person responsible for the administration of a business
  3451. executive agency
    an agency of the executive branch of government
  3452. executive branch
    part of U.S. government responsible for carrying out laws
  3453. executive council
    a council that shares the supreme executive power
  3454. executive department
    a federal department in the executive branch of the government of the United States
  3455. Executive Office of the President
    the branch of the United States government that is responsible for carrying out the laws
  3456. exhibition
    the act of displaying or demonstrating
  3457. Exocoetidae
    flying fishes; closely related to the halfbeaks
  3458. Exocycloida
    flat sea urchins
  3459. Exopterygota
    subclass of insects characterized by gradual and usually incomplete metamorphosis
  3460. expedition
    an organized group of people undertaking a journey
  3461. expo
    a collection of things for public display
  3462. exposition
    a collection of things for public display
  3463. expression
    the communication of your beliefs or opinions
  3464. expressionism
    an art movement focused on representing inner emotions
  3465. extended care facility
    a medical institution that provides prolonged care
  3466. extended family
    a family consisting of the nuclear family and their blood relatives
  3467. extended order
    a military formation for skirmishing
  3468. extension
    act of expanding in scope
  3469. extragalactic nebula
    a collection of star systems
  3470. eye clinic
    a clinic where specialist care for a patient's eyes
  3471. F
    the 6th letter of the Roman alphabet
  3472. F.I.S.C.
    a secret federal court created in 1978 by the Foreign Intelligence Surveillance Act; responsible for authorizing wiretaps and other forms of electronic surveillance and for authorizing searches of suspected spies and terrorists by the Department of Justice or United States intelligence agencies
  3473. FAA
    an agency in the Department of Transportation that is responsible for the safety of civilian aviation
  3474. Fabaceae
    a large family of trees, shrubs, vines, and herbs bearing bean pods; divided for convenience into the subfamilies Caesalpiniaceae; Mimosaceae; Papilionaceae
  3475. Fabian Society
    an association of British socialists who advocate gradual reforms within the law leading to democratic socialism
  3476. Fabiana
    genus of South and Central American heathlike evergreen shrubs
  3477. face-amount certificate company
    a regulated investment company that pays a stated amount to certificate holders on a stated maturity date
  3478. faction
    a dissenting clique
  3479. factor
    anything that contributes causally to a result
  3480. faculty
    an inherent cognitive or perceptual power of the mind
  3481. Fagaceae
    chiefly monoecious trees and shrubs: beeches
  3482. Fagales
    an order of dicotyledonous trees of the subclass Hamamelidae
  3483. Fagopyrum
    buckwheat
  3484. Fagus
    beeches
  3485. fair
    free from favoritism, bias, or deception
  3486. fair sex
    women as a class
  3487. fairness commission
    a commission delegated to ensure opportunities for the expression of opposing views
  3488. faith
    complete confidence in a person or plan, etc.
  3489. faithful
    loyal and reliable
  3490. Falange
    the Spanish Nazi party under Franco
  3491. Falcatifolium
    sickle pines: dioecious evergreen tropical trees and shrubs having sickle-shaped leaves; similar to Dacrycarpus in habit; Malaysia and Philippines to New Guinea and New Caledonia
  3492. Falco
    a genus of Falconidae
  3493. Falconidae
    a family of birds of the order Falconiformes
  3494. Falconiformes
    chiefly diurnal carnivorous birds having hooked beaks and long talons with opposable hind toe: falcons; hawks; eagles; ospreys; caracaras; vultures
  3495. false flax
    annual and biennial herbs of Mediterranean to central Asia
  3496. falun gong
    a spiritual movement that began in China in the latter half of the 20th century and is based on Buddhist and Taoist teachings and practices
  3497. family
    a group of people related to one another
  3498. family Acanthaceae
    widely distributed herbs and shrubs and trees
  3499. family Acanthisittidae
    alternative names for the family comprising the New Zealand wrens
  3500. family Acanthuridae
    surgeonfishes
  3501. family Acaridae
    mites
  3502. family Accipitridae
    hawks; Old World vultures; kites; harriers; eagles
  3503. family Aceraceae
    a family of trees and shrubs of order Sapindales including the maples
  3504. family Acipenseridae
    sturgeons
  3505. family Acrididae
    short-horned grasshoppers; true locusts
  3506. family Actinidiaceae
    tropical trees or shrubs or woody vines
  3507. family Actinomycetaceae
    filamentous anaerobic bacteria
  3508. family Adelgidae
    plant lice
  3509. family Adiantaceae
    used in some classification systems for some genera of the family Polypodiaceae (or Pteridaceae)
  3510. family Aepyornidae
    coextensive with the order Aepyorniformes
  3511. family Agamidae
    an Old World reptile family of Sauria
  3512. family Agaricaceae
    large family including many familiar mushrooms
  3513. family Agavaceae
    chiefly tropical and xerophytic plants: includes Dracenaceae
  3514. family Agonidae
    poachers
  3515. family Ailuropodidae
    in some classifications considered the family comprising the giant pandas
  3516. family Aizoaceae
    succulent herbs or small shrubs mostly of South Africa but also New Zealand and North America: carpetweeds; fig marigolds
  3517. family Akeridae
    bubble shells
  3518. family Alaudidae
    larks
  3519. family Albuginaceae
    fungi that produce white sori resembling blisters on certain flowering plants
  3520. family Albulidae
    bonefish
  3521. family Alcedinidae
    kingfishers
  3522. family Alcidae
    web-footed diving seabirds of northern seas: auks
  3523. family Aleyrodidae
    whiteflies
  3524. family Alismataceae
    perennial or annual aquatic or marsh plants
  3525. family Alliaceae
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes especially genus Allium
  3526. family Alligatoridae
    alligators; caimans
  3527. family Allioniaceae
    a family of flowering plants of the order Caryophyllales
  3528. family Aloeaceae
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
  3529. family Alopiidae
    thresher sharks
  3530. family Alstroemeriaceae
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; sometimes included in subfamily Amaryllidaceae
  3531. family Amaranthaceae
    cosmopolitan family of herbs and shrubs
  3532. family Amaryllidaceae
    snowdrop
  3533. family Ambrosiaceae
    in some classifications considered a separate family comprising a subgroup of the Compositae including the ragweeds
  3534. family Ambystomatidae
    New World salamanders
  3535. family Ameiuridae
    North American catfishes
  3536. family Amiidae
    only the bowfins
  3537. family Ammodytidae
    sand lances
  3538. family Amphioxidae
    lancelets
  3539. family Amphisbaenidae
    worm lizards
  3540. family Amphiumidae
    congo snakes
  3541. family Amygdalaceae
    used in former classifications for plum and peach and almond trees which are now usually classified as members of the genus Prunus
  3542. family Anabantidae
    small freshwater spiny-finned fishes of Africa and southern Asia
  3543. family Anacardiaceae
    the cashew family
  3544. family Anarhichadidae
    wolffishes
  3545. family Anatidae
    swimming birds having heavy short-legged bodies and bills with a horny tip: swans; geese; ducks
  3546. family Ancylidae
    freshwater gastropod
  3547. family Ancylostomatidae
    hookworms
  3548. family Andrenidae
    a large family of solitary short-tongued bees most of which burrow in the ground
  3549. family Anguidae
    alligator lizards
  3550. family Anguillidae
    eels that live in fresh water as adults but return to the sea to spawn
  3551. family Anhimidae
    screamers
  3552. family Anhingidae
    snakebirds
  3553. family Anniellidae
    legless lizards
  3554. family Annonaceae
    chiefly tropical trees or shrubs
  3555. family Anobiidae
    deathwatch beetles
  3556. family Anomalopidae
    a family of fish including: flashlight fishes
  3557. family Anomiidae
    saddle oysters
  3558. family Antedonidae
    feather stars
  3559. family Antennariidae
    frogfishes
  3560. family Anthocerotaceae
    hornworts
  3561. family Antilocapridae
    comprising only the pronghorns
  3562. family Aphididae
    small soft-bodied plant lice
  3563. family Aphyllanthaceae
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Aphyllanthes
  3564. family Apiaceae
    plants having flowers in umbels: parsley
  3565. family Apidae
    honeybees; carpenter bees; bumblebees
  3566. family Aplodontiidae
    mountain beavers
  3567. family Aplysiidae
    sea hares
  3568. family Apocynaceae
    chiefly tropical trees or shrubs or herbs having milky juice and often showy flowers; many are sources of drugs
  3569. family Apodidae
    swifts
  3570. family Apogonidae
    bright-colored marine fishes that incubate eggs in the mouth
  3571. family Apterygidae
    coextensive with the order Apterygiformes
  3572. family Aquifoliaceae
    widely distributed shrubs and trees
  3573. family Araceae
    anthurium; calla lily; jack-in-the-pulpit; philodendron
  3574. family Araliaceae
    mostly tropical trees and shrubs and lianas: genera Panax and Hedera
  3575. family Araucariaceae
    tall evergreen cone-bearing trees of South America and Australia with broad leathery leaves; in some classifications included in the Pinaceae
  3576. family Arcellidae
    soil and freshwater protozoa; cosmopolitan in distribution
  3577. family Arcidae
    ark shells
  3578. family Arctiidae
    tiger moths
  3579. family Ardeidae
    herons; egrets; night herons; bitterns
  3580. family Arecaceae
    chiefly tropical trees and shrubs and vines usually having a tall columnar trunk bearing a crown of very large leaves; coextensive with the order Palmales
  3581. family Argasidae
    soft ticks
  3582. family Argentinidae
    small marine soft-finned fishes with long silvery bodies
  3583. family Argiopidae
    spiders that spin orb webs; cosmopolitan in distribution
  3584. family Argonautidae
    represented solely by the genus Argonauta
  3585. family Ariidae
    sea catfishes
  3586. family Aristolochiaceae
    family of birthworts (including wild ginger)
  3587. family Armadillidiidae
    pill bugs
  3588. family Artamidae
    wood swallows
  3589. family Ascaphidae
    family of one species of frog: tailed frog
  3590. family Ascaridae
    large roundworms parasitic in intestines of vertebrates
  3591. family Asclepiadaceae
    widely distributed family of herbs and shrubs of the order Gentianales; most with milky juice
  3592. family Asilidae
    robber flies
  3593. family Asparagaceae
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae: includes genera Asparagus and sometimes Ruscus
  3594. family Aspergillaceae
    family of fungi including some common molds
  3595. family Asphodelaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae
  3596. family Aspleniaceae
    one of a number of families into which Polypodiaceae has been subdivided in some classification systems; includes genera Asplenium, Pleurosorus, Schaffneria
  3597. family Astacidae
    crayfish
  3598. family Asteraceae
    plants with heads composed of many florets: aster
  3599. family Atherinidae
    small spiny-finned fishes of both salt and fresh water
  3600. family Athiorhodaceae
    small motile sulphur bacteria
  3601. family Athyriaceae
    alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
  3602. family Atrichornithidae
    scrubbirds
  3603. family Atropidae
    booklice
  3604. family Aulostomidae
    trumpetfishes
  3605. family Auriculariaceae
    fungi having gelatinous sporophores
  3606. family Avicenniaceae
    used in some classifications: coextensive with the genus Avicennia
  3607. family Azollaceae
    used in some classifications for the genus Azolla
  3608. family Babesiidae
    piroplasms and cattle pathogens
  3609. family Bacillaceae
    typically rod-shaped usually Gram-positive bacteria that produce endospores
  3610. family Bacteroidaceae
    family of bacteria living usually in the alimentary canal or on mucous surfaces of warm-blooded animals; sometimes associated with acute infective processes
  3611. family Balaenicipitidae
    shoebills
  3612. family Balaenidae
    right whales
  3613. family Balaenopteridae
    rorquals; blue whales
  3614. family Balanidae
    stalkless barnacles
  3615. family Balistidae
    triggerfishes
  3616. family Balsaminaceae
    distinguished from the family Geraniaceae by the irregular flowers
  3617. family Bangiaceae
    a family of protoctist
  3618. family Bathyergidae
    mole rats; sand rats
  3619. family Batidaceae
    family coextensive with genus Batis: saltworts
  3620. family Batrachoididae
    toadfishes; related to anglers and batfishes
  3621. family Begoniaceae
    monoecious succulent herbs or shrubs of tropical and warm regions especially America
  3622. family Belemnitidae
    family of extinct Mesozoic cephalopods
  3623. family Belonidae
    ferocious fishes of warm regions resembling but unrelated to the freshwater gars
  3624. family Belostomatidae
    water bugs
  3625. family Bennettitaceae
    a family of fossil gymnospermous plants of the Carboniferous
  3626. family Berberidaceae
    shrubs or herbs
  3627. family Betulaceae
    monoecious trees and shrubs
  3628. family Bignoniaceae
    trees or shrubs or woody vines or herbs having fruit resembling gourds or capsules; sometimes placed in the order Scrophulariales
  3629. family Bittacidae
    a family of predacious tropical insects of the order Mecoptera
  3630. family Blastodiaceae
    a family of saprobic fungi of order Blastocladiales
  3631. family Blattidae
    domestic cockroaches
  3632. family Blechnaceae
    one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; includes genera Blechnum, Doodia, Sadleria, Stenochlaena, and Woodwardia
  3633. family Blenniidae
    a family of fish including: combtooth blennies
  3634. family Boidae
    boas and pythons
  3635. family Boletaceae
    family of fleshy fungi having the germ pores easily separating from the cup and often from each other
  3636. family Bombacaceae
    tropical trees with large dry or fleshy fruit containing usually woolly seeds
  3637. family Bombycidae
    Chinese silkworm moth
  3638. family Bombycillidae
    a family of birds of the suborder Oscines
  3639. family Bombyliidae
    bee flies
  3640. family Boraginaceae
    a widely distributed family of plants distinguished by circinate flowers and nutlike fruit
  3641. family Bothidae
    a family of fish of the order Heterosomata
  3642. family Bovidae
    true antelopes; cattle; oxen; sheep; goats
  3643. family Bradypodidae
    a family of edentates comprising the true sloths
  3644. family Bramidae
    deep-bodied percoid fishes of the open seas
  3645. family Branchiobdellidae
    small annelid worms with the posterior end modified into an adhesive sucker; especially formerly regarded as modified leeches
  3646. family Branchiostegidae
    small family of marine fishes having covered gills
  3647. family Branchiostomidae
    lancelets
  3648. family Brassicaceae
    a large family of plants with four-petaled flowers
  3649. family Brevicipitidae
    narrow-mouthed toads and sheep frogs
  3650. family Bromeliaceae
    a family of tropical American plants of order Xyridales including several (as the pineapple) of economic importance
  3651. family Brotulidae
    chiefly deep-sea fishes related to the Ophidiidae
  3652. family Bruchidae
    seed beetles
  3653. family Bryaceae
    a family of acrocarpous mosses
  3654. family Buccinidae
    whelks
  3655. family Bucconidae
    puffbirds
  3656. family Bucerotidae
    hornbills
  3657. family Bufonidae
    true toads
  3658. family Burhinidae
    large wading birds resembling the plovers: stone curlews
  3659. family Burmanniaceae
    family of chiefly tropical herbs with basal leaves like bracts and small flowers
  3660. family Burseraceae
    resinous or aromatic chiefly tropical shrubs or trees
  3661. family business
    a corporation that is entirely owned by the members of a single family
  3662. family Buxaceae
    widely distributed evergreen shrubs and trees
  3663. family Cactaceae
    constituting the order Opuntiales
  3664. family Caeciliadae
    coextensive with the order Gymnophiona: legless amphibians
  3665. family Caeciliidae
    coextensive with the order Gymnophiona: legless amphibians
  3666. family Caenolestidae
    small marsupials of southern South America
  3667. family Caesalpiniaceae
    spiny trees, shrubs, or perennial herbs, including the genera Caesalpinia, Cassia, Ceratonia, Bauhinia; commonly included in the family Leguminosae
  3668. family Callionymidae
    dragonets
  3669. family Calliphoridae
    blowflies
  3670. family Callithricidae
    marmosets
  3671. family Callitrichaceae
    dicot aquatic herbs
  3672. family Calostomataceae
    a family of fungi belonging to the order Tulostomatales
  3673. family Calycanthaceae
    shrubs or small trees having aromatic bark
  3674. family Camelidae
    camels and llamas and vicunas
  3675. family Campanulaceae
    family of plants of the order Campanulales
  3676. family Cancridae
    many of the best known edible crabs
  3677. family Canellaceae
    one genus: aromatic tropical trees of eastern Africa and Florida to West Indies
  3678. family Canidae
    dogs; wolves; jackals; foxes
  3679. family Cannabidaceae
    two genera of erect or twining herbs that are pollinated by the wind, including the genera Cannabis and Humulus; term not used in all classifications; in some the genus Cannabis is placed in the family Moraceae and the genus Humulus in the family Urticaceae
  3680. family Cannaceae
    coextensive with the genus Canna
  3681. family Capitonidae
    barbets
  3682. family Capparidaceae
    a dilleniid dicot family of the order Rhoeadales that includes: genera Capparis, Cleome, Crateva, and Polanisia
  3683. family Caprifoliaceae
    shrubs and small trees and woody vines
  3684. family Caprimulgidae
    goatsuckers
  3685. family Caproidae
    boarfishes
  3686. family Capromyidae
    coypus
  3687. family Capsidae
    leaf bugs
  3688. family Carabidae
    ground beetles
  3689. family Carangidae
    large family of narrow-bodied marine food fishes with widely forked tails; chiefly of warm seas
  3690. family Carapidae
    pearlfishes: related to the Brotulidae
  3691. family Carcharhinidae
    largest family of living sharks
  3692. family Carchariidae
    sand sharks
  3693. family Cardiidae
    somewhat heart-shaped sand-burrowing bivalve mollusks
  3694. family Cariamidae
    crane-like South American wading birds
  3695. family Caricaceae
    trees native to tropical America and Africa with milky juice and large palmately lobed leaves
  3696. family Carpinaceae
    used in some classification systems for the genera Carpinus, Ostryopsis, and Ostryopsis
  3697. family Caryocaraceae
    small genus of tropical South American trees
  3698. family Caryophyllaceae
    large family of herbs or subshrubs
  3699. family Castoridae
    beavers
  3700. family Casuaridae
    a family of large ostrich-like birds including cassowaries
  3701. family Casuarinaceae
    one genus: genus Casuarina
  3702. family Cathartidae
    condors; turkey buzzards; king vultures
  3703. family Catostomidae
    suckers; closely related to the family Cyprinidae
  3704. family Caviidae
    a family of Hystricomorpha
  3705. family Cebidae
    all the New World monkeys except marmosets and tamarins
  3706. family Cecidomyidae
    gall midges
  3707. family Cecropiaceae
    in some classifications included in family Moraceae
  3708. family Celastraceae
    trees and shrubs and woody vines usually having bright-colored fruits
  3709. family Centrarchidae
    sunfish family
  3710. family Centriscidae
    shrimpfishes
  3711. family Centropomidae
    a family of fish or the order Perciformes including robalos
  3712. family Cephalobidae
    a family of Nematoda
  3713. family Cephalotaceae
    a family of plants of order Rosales
  3714. family Cephalotaxaceae
    a family of Cephalotaxaceae
  3715. family Cerambycidae
    long-horned beetles
  3716. family Ceratodontidae
    lungfishes having hornlike ridges on the teeth
  3717. family Ceratophyllaceae
    coextensive with the genus Ceratophyllum: hornworts
  3718. family Ceratopogonidae
    biting midges; sand flies
  3719. family Ceratopsidae
    American ceratopsian dinosaurs
  3720. family Ceratostomataceae
    fungi having carbonous perithecia with long necks
  3721. family Cercidiphyllaceae
    one genus
  3722. family Cercopidae
    froghoppers or spittlebugs
  3723. family Cercopithecidae
    Old World monkeys: guenon
  3724. family Certhiidae
    creepers
  3725. family Cervidae
    deer: reindeer; moose or elks; muntjacs; roe deer
  3726. family Cestidae
    coextensive with the order Cestida
  3727. family Cetorhinidae
    in some older classifications considered the family of the basking sharks
  3728. family Chaetodontidae
    butterfly fishes
  3729. family Chalcidae
    an arthropod family including: chalcidflies
  3730. family Chalcididae
    an arthropod family including: chalcidflies
  3731. family Chamaeleonidae
    Old World chameleons
  3732. family Chamaeleontidae
    Old World chameleons
  3733. family Characeae
    green algae superficially resembling horsetail ferns: stoneworts
  3734. family Characidae
    tropical freshwater fishes of Africa and South America and Central America
  3735. family Characinidae
    former name of the Characidae
  3736. family Charadriidae
    plover family
  3737. family Chelonidae
    green turtles; hawksbills
  3738. family Cheloniidae
    green turtles; hawksbills
  3739. family Chelydridae
    snapping turtles
  3740. family Chenopodiaceae
    includes spinach and beets
  3741. family Chermidae
    jumping plant lice
  3742. family Chimaeridae
    a family of Holocephali
  3743. family Chinchillidae
    small bushy-tailed South American burrowing rodents
  3744. family Chironomidae
    midges
  3745. family Chlamydiaceae
    Gram-negative parasites in warm-blooded vertebrates
  3746. family Chlamydomonadaceae
    green algae some of which are colored red by hematochrome
  3747. family Chloranthaceae
    small family of tropical herbs and shrubs and trees
  3748. family Chlorophthalmidae
    small family of soft-finned bottom-dwellers with large eyes
  3749. family Chrysochloridae
    golden moles
  3750. family Chrysomelidae
    leaf beetles
  3751. family Chrysopidae
    green lacewings
  3752. family Chytridiaceae
    a family of aquatic fungi of order Chytridiales
  3753. family Cicadellidae
    leafhoppers
  3754. family Cicadidae
    cicadas
  3755. family Cichlidae
    cichlids
  3756. family Cicindelidae
    tiger beetles
  3757. family Ciconiidae
    storks
  3758. family Cimicidae
    wingless flat-bodied bloodsucking insects
  3759. family Cinclidae
    water ouzels
  3760. family Cistaceae
    shrubs or woody herbs of temperate regions especially Mediterranean
  3761. family Cladoniaceae
    a family of lichens
  3762. family Clathraceae
    family of fleshy fungi resembling stinkhorns
  3763. family Clavariaceae
    fleshy fungi: coral fungi
  3764. family Cleridae
    beetles that prey on other insects
  3765. family Clethraceae
    coextensive with the genus Clethra
  3766. family Clinidae
    viviparous blennies of temperate and tropical seas
  3767. family Clupeidae
    herrings; shad; sardines; etc.
  3768. family Clusiaceae
    widely distributed family of chiefly tropical trees and shrubs and vines that produce oils and resins and some usable timber
  3769. family Cobitidae
    loaches
  3770. family Coccidae
    scale insects
  3771. family Coccinellidae
    the ladybugs
  3772. family Coerebidae
    the honeycreepers
  3773. family Colchicaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted: genera Colchicum and Gloriosa
  3774. family Colubridae
    nonvenomous snakes; about two-thirds of all living species
  3775. family Columbidae
    doves and pigeons
  3776. family Comatulidae
    former usage synonymous with Antedonidae
  3777. family Combretaceae
    a family of tropical trees and shrubs of the order Myrtales
  3778. family Commelinaceae
    large widely distributed family of chiefly perennial herbs or climbers: spiderworts
  3779. family Compositae
    plants with heads composed of many florets: aster
  3780. family Congridae
    marine eels
  3781. family Connaraceae
    mostly tropical climbing shrubs or small trees
  3782. family Convallariaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
  3783. family Convolvulaceae
    morning glory
  3784. family Coprinaceae
    used in some classifications for the genus Coprinus
  3785. family Coraciidae
    rollers
  3786. family Cordaitaceae
    chiefly Paleozoic plants
  3787. family Cordylidae
    small family of spiny ovoviviparous African lizards
  3788. family Coregonidae
    soft-finned fishes comprising the freshwater whitefishes
  3789. family Coreidae
    squash bugs and leaf-footed bugs
  3790. family Corixidae
    water bugs
  3791. family Cornaceae
    a rosid dicot family of the order Umbellales including: genera Aucuba, Cornus, Corokia, Curtisia, Griselinia, Helwingia
  3792. family Cortinariaceae
    a family of fungi belonging to the order Agaricales
  3793. family Corvidae
    crow; raven; rook; jackdaw; chough; magpie; jay
  3794. family Corydalidae
    dobsons
  3795. family Corylaceae
    used in some classification systems for the genus Corylus
  3796. family Corynebacteriaceae
    a large family of mostly Gram-positive and aerobic and nonmotile rod-shaped bacteria of the order Eubacteriales
  3797. family Coryphaenidae
    large active pelagic percoid fish
  3798. family Cotingidae
    cotingas; umbrella birds
  3799. family Cottidae
    sculpins
  3800. family court
    a court in some states in the United States that has jurisdiction over family disputes (especially those involving children)
  3801. family Cracidae
    curassows; guans; chachalacas
  3802. family Cracticidae
    Australian birds formerly included in the family Laniidae
  3803. family Crangonidae
    shrimps
  3804. family Crassulaceae
    succulent shrubs and herbs
  3805. family Cricetidae
    mostly small New World rodents including New World mice and lemmings and voles and hamsters
  3806. family Crocodylidae
    true crocodiles
  3807. family Crotalidae
    New World vipers: pit vipers
  3808. family Cruciferae
    a large family of plants with four-petaled flowers
  3809. family Cryptobranchidae
    large aquatic salamanders: hellbenders; giant salamanders
  3810. family Cryptocercidae
    a family of Blattodea
  3811. family Cryptogrammataceae
    one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
  3812. family Ctenizidae
    large burrowing spiders
  3813. family Cuculidae
    includes cuckoo; ani; roadrunner
  3814. family Cucurbitaceae
    a family of herbaceous vines
  3815. family Culicidae
    mosquitoes
  3816. family Cunoniaceae
    trees or shrubs or climbers; mostly southern hemisphere
  3817. family Cupressaceae
    cypresses and junipers and many cedars
  3818. family Curculionidae
    true weevils: snout beetles
  3819. family Cuterebridae
    New World botflies
  3820. family Cyatheaceae
    tropical tree ferns
  3821. family Cycadaceae
    ancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoids
  3822. family Cyclopteridae
    lumpfishes
  3823. family Cymatiidae
    tritons
  3824. family Cynipidae
    a family of Hymenoptera
  3825. family Cynocephalidae
    a family of Dermoptera
  3826. family Cynoglossidae
    tonguefishes
  3827. family Cyperaceae
    bulrush; chufa; cotton grass; papyrus; umbrella plant
  3828. family Cypraeidae
    family of marine gastropods comprising the cowries
  3829. family Cyprinidae
    a family of fish including: carp; tench; roach; rudd; dace
  3830. family Cyprinodontidae
    large family of small soft-finned fishes
  3831. family Dacninae
    the honeycreepers
  3832. family Dacrymycetaceae
    a family of basidiomycetous fungi belonging to the order Tremellales having a bifurcate basidium that lacks septa
  3833. family Dactylopiidae
    cochineal insects
  3834. family Dactylopteridae
    flying gurnards
  3835. family Dactyloscopidae
    sand stargazers
  3836. family Danaidae
    small family of usually tropical butterflies: monarch butterflies
  3837. family Dasyatidae
    sting rays
  3838. family Dasypodidae
    armadillos
  3839. family Dasyproctidae
    agoutis and pacas
  3840. family Dasyuridae
    dasyures
  3841. family Dasyurinae
    dasyures
  3842. family Daubentoniidae
    comprising solely the aye-aye
  3843. family Davalliaceae
    one of a number of families into which Polypodiaceae has been subdivided in some classification systems
  3844. family Delphinidae
    dolphins
  3845. family Dematiaceae
    family of imperfect mushrooms having dark-colored hyphae or conidia
  3846. family Dendrocolaptidae
    woodhewers or woodcreepers
  3847. family Dennstaedtiaceae
    one of a number of families into which Polypodiaceae has been subdivided in some classification systems
  3848. family Dermestidae
    carpet beetles
  3849. family Dermochelyidae
    sea turtles
  3850. family Desmidiaceae
    unicellular algae
  3851. family Desmodontidae
    true vampire bats
  3852. family Diapensiaceae
    north temperate low evergreen plants
  3853. family Diaspididae
    armored scales
  3854. family Dicamptodontidae
    large and small highly aquatic salamanders
  3855. family Dicksoniaceae
    tree ferns: genera Dicksonia, Cibotium, Culcita, and Thyrsopteris elegans
  3856. family Dicranaceae
    mosses having costate leaves and long-stalked capsules with cleft peristome
  3857. family Didelphidae
    opossums
  3858. family Dilleniaceae
    chiefly tropical shrubs and trees and climbers having leathery leaves or flattened leaflike stems: genera Dillenia and Hibbertia
  3859. family Dinornithidae
    moas
  3860. family Diodontidae
    spiny puffers
  3861. family Diomedeidae
    albatrosses
  3862. family Dioscoreaceae
    yams
  3863. family Dipodidae
    Old World jerboas
  3864. family Dipsacaceae
    chiefly southern European herbs with flowers usually in dense cymose heads
  3865. family Dipterocarpaceae
    chiefly tropical Asian trees with two-winged fruits
  3866. family Discoglossidae
    family of Old World toads having a fixed disklike tongue
  3867. family Doliolidae
    oceanic tunicates
  3868. family Dracunculidae
    greatly elongated roundworm
  3869. family Drepanididae
    Hawaiian honeycreepers
  3870. family Dromaeosauridae
    swift-running bipedal dinosaurs
  3871. family Droseraceae
    a family of carnivorous herbs and shrubs
  3872. family Drosophilidae
    fruit flies
  3873. family Dryopteridaceae
    alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
  3874. family Dugongidae
    a family of mammals of order Sirenia including dugongs and Steller's sea cow
  3875. family Dytiscidae
    water beetles
  3876. family Ebenaceae
    fruit and timber trees of tropical and warm regions including ebony and persimmon
  3877. family Echeneidae
    fishes having a sucking disk on the head for clinging to other fishes and to ships
  3878. family Echeneididae
    fishes having a sucking disk on the head for clinging to other fishes and to ships
  3879. family Edaphosauridae
    a family of reptiles of the order Pelycosauria
  3880. family Eimeriidae
    a family of protoctist in the order Coccidia
  3881. family Elaeagnaceae
    shrubs or small trees often armed
  3882. family Elaeocarpaceae
    genus of trees and shrubs widely distributed in warm regions some yielding useful timber; in some classifications included in the family Santalaceae
  3883. family Elapidae
    cobras
  3884. family Elateridae
    click beetles and certain fireflies
  3885. family Electrophoridae
    small family comprising the electric eels
  3886. family Eleotridae
    sleepers
  3887. family Elephantidae
    elephants
  3888. family Elopidae
    tarpons and ladyfishes
  3889. family Embiotocidae
    viviparous percoid fishes comprising the surf fishes
  3890. family Empetraceae
    heathlike shrubs
  3891. family Emydidae
    box and water turtles
  3892. family Endamoebidae
    a large family of endoparasitic amebas that invade the digestive tract
  3893. family Engraulidae
    anchovies
  3894. family Enterobacteriaceae
    a large family of Gram-negative rod-shaped bacteria of the order Eubacteriales
  3895. family Entolomataceae
    a family of fungi belonging to the order Agaricales
  3896. family Entomophthoraceae
    mostly parasitic lower fungi that typically develop in the bodies of insects
  3897. family Epacridaceae
    Australasian shrubs or small trees
  3898. family Ephedraceae
    ephedras: in some classifications included in the Gnetaceae
  3899. family Ephemeridae
    mayflies
  3900. family Ephippidae
    small family comprising the spadefishes
  3901. family Equidae
    the taxonomic family of horses and related animals
  3902. family Equisetaceae
    sole surviving family of the Equisetales: fern allies
  3903. family Erethizontidae
    New World arboreal porcupines
  3904. family Ericaceae
    heathers
  3905. family Erinaceidae
    true hedgehogs
  3906. family Eriocaulaceae
    chiefly tropical aquatic or bog herbs: pipeworts
  3907. family Erysiphaceae
    family of fungi parasitic mostly on leaves
  3908. family Erythroxylaceae
    a family of plants of order Geraniales
  3909. family Eschrichtiidae
    comprising only the grey whales
  3910. family Esocidae
    pikes; pickerels; muskellunges
  3911. family Euglenaceae
    considered green algae
  3912. family Euphorbiaceae
    a family of plants of order Geraniales
  3913. family Eurylaimidae
    coextensive with the suborder Eurylaimi
  3914. family Exocoetidae
    flying fishes; closely related to the halfbeaks
  3915. family Fabaceae
    a large family of trees, shrubs, vines, and herbs bearing bean pods; divided for convenience into the subfamilies Caesalpiniaceae; Mimosaceae; Papilionaceae
  3916. family Fagaceae
    chiefly monoecious trees and shrubs: beeches
  3917. family Falconidae
    a family of birds of the order Falconiformes
  3918. family Fasciolidae
    a family of Trematoda
  3919. family Felidae
    cats
  3920. family Filariidae
    threadlike roundworms
  3921. family Fissurellidae
    marine limpets
  3922. family Fistulariidae
    cornetfishes
  3923. family Fistulinaceae
    a family of fungi closely related to the family Polyporaceae except that the tubes on the undersurface of the cap are separate from each other
  3924. family Flacourtiaceae
    chiefly tropical trees and shrubs
  3925. family Forficulidae
    typical earwigs
  3926. family Formicariidae
    antbirds
  3927. family Formicidae
    ants
  3928. family Fouquieriaceae
    small family of spiny shrubs or trees of southwestern United States
  3929. family Fregatidae
    frigate birds
  3930. family Fringillidae
    finches: goldfinches
  3931. family Fucaceae
    small family of brown algae: gulfweeds; rockweeds
  3932. family Fulgoridae
    plant hoppers: lantern flies
  3933. family Fumariaceae
    erect or climbing herbs of the northern hemisphere and southern Africa: bleeding heart; Dutchman's breeches; fumitory; squirrel corn
  3934. family Funkaceae
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Hosta
  3935. family Furnariidae
    e.g. ovenbirds
  3936. family Gadidae
    large family of important mostly marine food fishes
  3937. family Galbulidae
    jacamars
  3938. family Gasterophilidae
    horse botflies
  3939. family Gasterosteidae
    sticklebacks
  3940. family Gavialidae
    gavials
  3941. family Gavidae
    loon family
  3942. family Geastraceae
    a family of earthstar fungi belonging to the order Lycoperdales
  3943. family Gekkonidae
    geckos
  3944. family Gelechiidae
    important economic pests
  3945. family Gempylidae
    snake mackerels
  3946. family Gentianaceae
    chiefly herbaceous plants with showy flowers
  3947. family Geoglossaceae
    a family of fungi belonging to the order Helotiales
  3948. family Geometridae
    measuring worms
  3949. family Geomyidae
    North American pocket gophers
  3950. family Geophilidae
    small extremely elongate centipedes that live in earth
  3951. family Geraniaceae
    chiefly herbaceous plants
  3952. family Gerreidae
    mojarras
  3953. family Gerridae
    an arthropod family that includes water striders
  3954. family Gerrididae
    an arthropod family that includes water striders
  3955. family Gesneriaceae
    large family of tropical herbs or shrubs or lianas
  3956. family Gigartinaceae
    a family of protoctist
  3957. family Ginkgoaceae
    constituting the order Ginkgoales
  3958. family Giraffidae
    giraffes
  3959. family Glareolidae
    Old World shorebirds: pratincoles and coursers
  3960. family Gleicheniaceae
    a family of ferns belonging to order Filicales
  3961. family Gliridae
    dormice and other Old World forms
  3962. family Globigerinidae
    a family of protoctists
  3963. family Glossinidae
    flies closely related to the Muscidae: tsetse flies
  3964. family Gnetaceae
    plants having small unisexual flowers and fleshy or winged fruit: in some classifications includes the genera Ephedra and Welwitschia as well as genus Gnetum
  3965. family Gobiesocidae
    clingfishes
  3966. family Gobiidae
    gobies
  3967. family Gomphotheriidae
    elephants extinct since the Pleistocene
  3968. family Gonorhynchidae
    coextensive with the genus Gonorhynchus
  3969. family Goodeniaceae
    a family of sappy plants that grow in Australasia and southeast China
  3970. family Gracilariidae
    leaf miners
  3971. family Graminaceae
    the grasses: chiefly herbaceous but some woody plants including cereals; bamboo; reeds; sugar cane
  3972. family Gramineae
    the grasses: chiefly herbaceous but some woody plants including cereals; bamboo; reeds; sugar cane
  3973. family Grossulariaceae
    in some classifications considered a part of the family Saxifragaceae: plants whose fruit is a berry
  3974. family Gruidae
    cranes
  3975. family Gryllidae
    crickets
  3976. family Guttiferae
    widely distributed family of chiefly tropical trees and shrubs and vines that produce oils and resins and some usable timber
  3977. family Gyrinidae
    whirligig beetles
  3978. family Hadrosauridae
    duck-billed dinosaurs; upper Cretaceous
  3979. family Haematopodidae
    oystercatchers
  3980. family Haemodoraceae
    some genera placed in family Liliaceae
  3981. family Haemoproteidae
    bird parasites
  3982. family Haemulidae
    grunts
  3983. family Halictidae
    a family of small solitary bees
  3984. family Haliotidae
    abalones
  3985. family Haloragaceae
    a family of dicotyledonous plants of the order Myrtales
  3986. family Haloragidaceae
    a family of dicotyledonous plants of the order Myrtales
  3987. family Hamamelidaceae
    comprises genera Hamamelis, Corylopsis, Fothergilla, Liquidambar, Parrotia, and other small genera
  3988. family Helicidae
    land snails including the common edible snail and some pests
  3989. family Helodermatidae
    only known venomous lizards
  3990. family Helotiaceae
    a fungus family of order Helotiales
  3991. family Helvellaceae
    family of false morels or lorchels
  3992. family Hemerobiidae
    brown lacewings
  3993. family Hemerocallidaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Hemerocallis
  3994. family Hemiprocnidae
    tree swifts
  3995. family Hemiramphidae
    halfbeaks
  3996. family Heteromyidae
    small New World burrowing mouselike rodents with fur-lined cheek pouches and hind limbs and tail adapted to leaping; adapted to desert conditions: pocket mice; kangaroo mice; kangaroo rats
  3997. family Hexagrammidae
    greenlings
  3998. family Hexanchidae
    primitive sharks
  3999. family Hippoboscidae
    winged or wingless dipterans: louse flies
  4000. family Hippocastanaceae
    trees having showy flowers and inedible nutlike seeds in a leathery capsule
  4001. family Hippopotamidae
    hippopotami
  4002. family Hipposideridae
    Old World leafnose bats
  4003. family Hirudinidae
    a family of Hirudinea
  4004. family Hirundinidae
    swallows and martins
  4005. family Holocentridae
    squirrelfishes and soldierfishes
  4006. family Holothuridae
    a family of Holothuroidea
  4007. family Homaridae
    large-clawed lobsters
  4008. family Hominidae
    modern man and extinct immediate ancestors of man
  4009. family Hostaceae
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Hosta
  4010. family Hyacinthaceae
    one of many families or subfamilies in which some classification systems subdivide the Liliaceae but not widely accepted
  4011. family Hyaenidae
    hyenas
  4012. family Hydnaceae
    tooth fungi
  4013. family Hydnoraceae
    a family of flowering plants in Africa and Argentina that are parasitic on the roots of other plants
  4014. family Hydrangeaceae
    sometimes included in the family Saxifragaceae
  4015. family Hydrobatidae
    storm petrels
  4016. family Hydrocharidaceae
    simple nearly stemless freshwater aquatic plants
  4017. family Hydrocharitaceae
    simple nearly stemless freshwater aquatic plants
  4018. family Hydrochoeridae
    capybara
  4019. family Hydrophidae
    sea snakes
  4020. family Hydrophyllaceae
    perennial woodland herbs
  4021. family Hygrophoraceae
    a family of fungi belonging to the order Agaricales
  4022. family Hylidae
    the amphibian family of tree frogs
  4023. family Hylobatidae
    used in some classifications for the lesser apes
  4024. family Hymenophyllaceae
    terrestrial (hygrophytic) or epiphytic ferns: filmy ferns
  4025. family Hypericaceae
    used in some classification systems for plants usually included among the Guttiferae
  4026. family Hyperodontidae
    beaked whales
  4027. family Hypocreaceae
    family of fungi having brightly colored fleshy or membranous ascocarps; sometimes placed in its own order Hypocreales
  4028. family Hypodermatidae
    warble flies
  4029. family Hypoxidaceae
    in some classification systems included in the Amaryllidaceae
  4030. family Hystricidae
    Old World porcupines
  4031. family Ibidiidae
    ibises
  4032. family Ichneumonidae
    ichneumon flies
  4033. family Ichthyosauridae
    later ichthyosaurs of the Jurassic and Cretaceous
  4034. family Icteridae
    American orioles
  4035. family Iguania
    New World lizards
  4036. family Iguanidae
    New World lizards
  4037. family Iguanodontidae
    iguanodons
  4038. family Indicatoridae
    honey guides
  4039. family Indriidae
    a family of Lemuroidea
  4040. family Ipidae
    large family of bark-boring or wood-boring short-beaked beetles; very destructive to forest and fruit trees
  4041. family Irenidae
    a family of birds of the suborder Oscines
  4042. family Iridaceae
    large family of usually perennial geophytic herbs with rhizomes or corms or bulbs
  4043. family Isoetaceae
    quillworts; coextensive with the genus Isoetes
  4044. family Istiophoridae
    sailfishes; spearfishes; marlins
  4045. family Isuridae
    in some classifications another name for the family Lamnidae
  4046. family Ixodidae
    hard ticks
  4047. family Jassidae
    family of small leafhoppers coextensive with the Cicadellidae and not distinguished from it in some classifications
  4048. family Juglandaceae
    trees having usually edible nuts: butternuts
  4049. family Juncaceae
    tufted herbs resembling grasses: rushes
  4050. family Juncaginaceae
    a family of monocotyledonous bog herbs of order Naiadales
  4051. family Jungermanniaceae
    comprising the leafy members of the order Jungermanniales
  4052. family Kalotermitidae
    primitive termites of warm regions
  4053. family Kasuwonidae
    in some classifications considered a separate family comprising the oceanic bonitos
  4054. family Kinosternidae
    mud turtles; musk turtles
  4055. family Kyphosidae
    sea chubs
  4056. family Labiatae
    a large family of aromatic herbs and shrubs having flowers resembling the lips of a mouth and four-lobed ovaries yielding four one-seeded nutlets and including mint; thyme; sage; rosemary
  4057. family Labridae
    wrasses
  4058. family Lacertidae
    Old World lizards
  4059. family Lactobacillaceae
    lactic acid bacteria and important pathogens
  4060. family Lactobacteriaceae
    lactic acid bacteria and important pathogens
  4061. family Lamiaceae
    a large family of aromatic herbs and shrubs having flowers resembling the lips of a mouth and four-lobed ovaries yielding four one-seeded nutlets and including mint; thyme; sage; rosemary
  4062. family Laminariaceae
    large family of marine brown algae including many economically important large kelps chiefly of northern waters
  4063. family Lamnidae
    oceanic sharks
  4064. family Lampridae
    opahs
  4065. family Lampyridae
    fireflies
  4066. family Laniidae
    shrikes
  4067. family Lanthanotidae
    stout-bodied lizards
  4068. family Lardizabalaceae
    thick-stemmed lianas and some shrubs; some have edible fruit
  4069. family Laricariidae
    armored catfish
  4070. family Laridae
    gull family: gulls and terns
  4071. family Lasiocampidae
    tent caterpillars; eggars; lappet moths
  4072. family Latimeridae
    extinct except for the coelacanth
  4073. family Lauraceae
    a family of Lauraceae
  4074. family Lecanoraceae
    a fungus family of the division Lichenes
  4075. family Lecythidaceae
    large tropical trees bearing large fruits with woody skins
  4076. family Leguminosae
    a large family of trees, shrubs, vines, and herbs bearing bean pods; divided for convenience into the subfamilies Caesalpiniaceae; Mimosaceae; Papilionaceae
  4077. family Leiopelmatidae
    primitive New Zealand frogs
  4078. family Leitneriaceae
    coextensive with the genus Leitneria
  4079. family Lemnaceae
    family of small free-floating thalloid plants
  4080. family Lemuridae
    typical lemurs; of Madagascar
  4081. family Lennoaceae
    family of fleshy parasitic herbs lacking green foliage and having heads of small flowers; California and Mexico
  4082. family Lentibulariaceae
    carnivorous aquatic or bog plants: genera Utricularia, Pinguicula, and Genlisea
  4083. family Lepadidae
    goose barnacles
  4084. family Lepidobotryaceae
    family created in 1950 solely for the classification of a distinctive African tree repeatedly classified in other families; trees long believed to exist only in Africa
  4085. family Lepidodendraceae
    fossil plants characterized by conspicuous spirally arranged leaf scars on the trunk
  4086. family Lepiotaceae
    a family of fungi having free gills and a cap that is cleanly separable from the stalk
  4087. family Lepismatidae
    firebrats
  4088. family Lepisosteidae
    comprises the genus Lepisosteus
  4089. family Leporidae
    hares and rabbits
  4090. family Leptodactylidae
    New World frogs
  4091. family Leptotyphlopidae
    blind snakes
  4092. family Liliaceae
    includes species sometimes divided among the following families: Alliaceae; Aloeaceae; Alstroemeriaceae; Aphyllanthaceae; Asparagaceae; Asphodelaceae; Colchicaceae; Convallariaceae; Hemerocallidaceae; Hostaceae; Hyacinthaceae; Melanthiaceae; Ruscaceae; Smilacaceae; Tecophilaeacea; Xanthorrhoeaceae
  4093. family Limacidae
    slugs
  4094. family Limulidae
    horseshoe crabs
  4095. family Linaceae
    a widely distributed family of plants
  4096. family line
    people descended from a common ancestor
  4097. family Liopelmidae
    primitive New Zealand frogs
  4098. family Liparidae
    snailfishes
  4099. family Liparididae
    snailfishes
  4100. family Lithodidae
    deep-sea crabs of cold waters
  4101. family Littorinidae
    periwinkles
  4102. family Loasaceae
    family of bristly hairy sometimes climbing plants
  4103. family Lobeliaceae
    not recognized in all classification systems
  4104. family Lobotidae
    tripletails
  4105. family Locustidae
    short-horned grasshoppers; true locusts
  4106. family Loganiaceae
    a dicotyledonous family of plants of order Gentianales
  4107. family Lomariopsidaceae
    small family of usually scandent ferns
  4108. family Lophiidae
    large-headed marine fishes comprising the anglers
  4109. family Lophosoriaceae
    very small family of tree ferns
  4110. family Loranthaceae
    in some classification includes Viscaceae: parasitic or hemiparasitic shrublets or shrubs or small trees of tropical and temperate regions; attach to hosts by haustoria
  4111. family Lorisidae
    slow-moving omnivorous nocturnal primates of tropical Asia
  4112. family Loxomataceae
    very small family of New Zealand ferns
  4113. family Lucanidae
    stag beetles
  4114. family Lutjanidae
    snappers
  4115. family Luvaridae
    louvars
  4116. family Lycaenidae
    family of small usually brilliantly colored butterflies
  4117. family Lycoperdaceae
    a fungus family belonging to the order Lycoperdales
  4118. family Lycopodiaceae
    a family of ferns belonging to the order Lycopodiales
  4119. family Lycosidae
    wolf spiders
  4120. family Lygaeidae
    lygaeid bugs
  4121. family Lymantriidae
    tussock moths
  4122. family Lythraceae
    herbs and shrubs and small trees with pink or purple flowers
  4123. family Machilidae
    jumping bristletails
  4124. family Macropodidae
    kangaroos; wallabies
  4125. family Macrorhamphosidae
    bellows fishes
  4126. family Macrouridae
    grenadiers
  4127. family Macruridae
    grenadiers
  4128. family Magnoliaceae
    subclass Magnoliidae: genera Liriodendron, Magnolia, and Manglietia
  4129. family Majidae
    spider crabs
  4130. family Malacanthidae
    short-headed marine fishes; often brightly colored
  4131. family Malpighiaceae
    tropical shrubs or trees
  4132. family Malvaceae
    herbs and shrubs and some trees: mallows; cotton; okra
  4133. family Mammutidae
    extinct family: mastodons
  4134. family Manidae
    coextensive with the order Pholidota
  4135. family Manteidae
    mantises
  4136. family Mantidae
    mantises
  4137. family Mantispidae
    mantispids
  4138. family Marantaceae
    tropical perennial herbs with usually starchy rhizomes
  4139. family Marattiaceae
    constituting the order Marattiales: chiefly tropical eusporangiate ferns with gigantic fronds
  4140. family Marchantiaceae
    liverworts with prostrate and usually dichotomously branched thalli
  4141. family Marsileaceae
    clover ferns
  4142. family Martyniaceae
    in most classifications not considered a separate family but included in the Pedaliaceae
  4143. family Mastodontidae
    extinct family: mastodons
  4144. family Mastotermitidae
    primitive termites
  4145. family Mayacaceae
    a monocotyledonous family of bog plants of order Xyridales
  4146. family Megachilidae
    leaf-cutting and mason bees
  4147. family Megadermatidae
    Old World false vampire bats
  4148. family Megalonychidae
    mammal family consisting of the two-toed sloths
  4149. family Megalosauridae
    megalosaurs
  4150. family Megapodiidae
    megapodes
  4151. family Megatheriidae
    extinct ground sloths
  4152. family Melampsoraceae
    rust fungi
  4153. family Melanthiaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted: includes Aletris; Narthecium; Veratrum
  4154. family Melastomaceae
    a family of trees and bushes and herbs of order Myrtales
  4155. family Melastomataceae
    a family of trees and bushes and herbs of order Myrtales
  4156. family Meleagrididae
    turkeys and some extinct forms
  4157. family Meliaceae
    tropical trees and shrubs including many important timber and ornamental trees
  4158. family Meliphagidae
    honey eaters
  4159. family Meloidae
    blister beetles
  4160. family Membracidae
    plant hoppers: treehoppers
  4161. family Menispermaceae
    herbaceous or woody climbers
  4162. family Menuridae
    lyrebirds
  4163. family Menyanthaceae
    a dicotyledonous family of marsh plants of order Gentianales
  4164. family Meropidae
    bee-eaters
  4165. family Micrococcaceae
    spherical or elliptical usually aerobic eubacteria that produce yellow or orange or red pigment; includes toxin-producing forms as well as harmless commensals and saprophytes
  4166. family Microdesmidae
    worm fish
  4167. family Microhylidae
    narrow-mouthed toads and sheep frogs
  4168. family Mimidae
    sometimes considered a subfamily of Troglodytidae: mockingbirds; catbirds; thrashers
  4169. family Mimosaceae
    family of spiny woody plants (usually shrubs or small trees) whose leaves mimic animals in sensitivity to touch; commonly included in the family Leguminosae
  4170. family Miridae
    leaf bugs
  4171. family Mniaceae
    family of erect mosses with club-shaped paraphyses and the hexagonal cells of the upper leaf surface; sometimes treated as a subfamily of Bryaceae
  4172. family Mobulidae
    large rays lacking venomous spines: mantas
  4173. family Molidae
    ocean sunfishes
  4174. family Molossidae
    mastiff bats; freetail bats
  4175. family Momotidae
    a family of birds of the order Coraciiformes
  4176. family Moniliaceae
    family of imperfect fungi having white or brightly colored hyphae and spores that are produced directly on the mycelium and not aggregated in fruiting bodies
  4177. family Monocanthidae
    filefishes
  4178. family Monodontidae
    narwhals
  4179. family Monotropaceae
    used in some classification for saprophytic herbs sometimes included in the family Pyrolaceae: genera Monotropa and Sarcodes
  4180. family Moraceae
    trees or shrubs having a milky juice
  4181. family Morchellaceae
    a family of edible fungi including the true morels
  4182. family Motacillidae
    pipits and wagtails
  4183. family Mucoraceae
    large family of chiefly saprophytic fungi that includes many common molds destructive to food products
  4184. family Mugilidae
    grey mullets
  4185. family Mullidae
    goatfishes or red mullets
  4186. family Muraenidae
    marine eels
  4187. family Muridae
    originally Old World rats now distributed worldwide
  4188. family Musaceae
    treelike tropical Asian herbs
  4189. family Muscicapidae
    Old World (true) flycatchers
  4190. family Muscidae
    two-winged flies especially the housefly
  4191. family Musophagidae
    touracos
  4192. family Mustelidae
    weasels
  4193. family Myacidae
    soft-shell clams
  4194. family Mycetophylidae
    fungus gnats
  4195. family Mycobacteriaceae
    a family of bacteria
  4196. family Mycoplasmataceae
    pleomorphic Gram-negative nonmotile microorganism similar to both viruses and bacteria; parasitic in mammals
  4197. family Myctophidae
    deep-sea fishes comprising the lantern fishes
  4198. family Myliobatidae
    eagle rays
  4199. family Mylodontidae
    extinct South American edentates
  4200. family Myricaceae
    constituting the order Myricales
  4201. family Myristicaceae
    family of aromatic tropical trees with arillate seeds
  4202. family Myrmecophagidae
    New World anteaters
  4203. family Myrmeleontidae
    antlions
  4204. family Myrsinaceae
    family of Old World tropical trees and shrubs
  4205. family Myrtaceae
    trees and shrubs yielding a fragrant oil
  4206. family Mysidae
    small shrimp-like crustaceans
  4207. family Mytilidae
    marine mussels
  4208. family Myxinidae
    slime-producing marine animals: hagfishes
  4209. family Myxobacteriaceae
    bacteria living mostly in soils and on dung
  4210. family Myxophyceae
    former terms for Cyanophyceae
  4211. family Naiadaceae
    monotypic family of aquatic plants having narrow leaves and small flowers
  4212. family Najadaceae
    monotypic family of aquatic plants having narrow leaves and small flowers
  4213. family Naticidae
    moonshells
  4214. family Nautilidae
    spiral-shelled cephalopods
  4215. family Nepenthaceae
    coextensive with the genus Nepenthes
  4216. family Nephropsidae
    in some classifications coextensive with the Homaridae
  4217. family Nepidae
    water scorpions
  4218. family Neritidae
    neritids
  4219. family Nidulariaceae
    bird's-nest fungi
  4220. family Nitrobacteriaceae
    usually rod-shaped bacteria that oxidize ammonia or nitrites: nitrobacteria
  4221. family Noctuidae
    cutworms; armyworms
  4222. family Nostocaceae
    blue-green algae
  4223. family Notonectidae
    aquatic carnivorous insects
  4224. family Notoryctidae
    pouched moles
  4225. family Nummulitidae
    a family of fossil protoctists
  4226. family Nyctaginaceae
    a family of flowering plants of the order Caryophyllales
  4227. family Nymphaeaceae
    dicot aquatic plants
  4228. family Nymphalidae
    large beautifully colored butterflies
  4229. family Nyssaceae
    a family of dicotyledonous trees of order Myrtales that includes the sour gum trees
  4230. family Ochnaceae
    family of tropical evergreen trees and shrubs with thick shining parallel-veined leaves
  4231. family Ochotonidae
    pikas and extinct forms
  4232. family Octopodidae
    a family of Octopoda
  4233. family Odobenidae
    walruses and extinct forms
  4234. family Odontaspididae
    sand sharks
  4235. family Oedogoniaceae
    filamentous green algae
  4236. family Oestridae
    warble flies
  4237. family Ogcocephalidae
    batfishes: sluggish bottom-dwelling spiny fishes
  4238. family Oleaceae
    trees and shrubs having berries or drupes or capsules as fruits; sometimes placed in the order Oleales: olive; ash; jasmine; privet; lilac
  4239. family Oleandraceae
    one of a number of families into which Polypodiaceae has been subdivided in some classification systems
  4240. family Onagraceae
    a large and widely distributed family of plants of the order Myrtales
  4241. family Oniscidae
    a family of Isopoda
  4242. family Ophidiidae
    eellike marine fishes
  4243. family Ophiodontidae
    fishes closely related to greenlings
  4244. family Ophioglossaceae
    a family of succulent ferns of order Ophioglossales
  4245. family Opisthocomidae
    comprising the hoatzins
  4246. family Opisthognathidae
    jawfishes
  4247. family Orchestiidae
    beach fleas
  4248. family Orchidaceae
    enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers
  4249. family Orectolobidae
    nurse sharks and carpet sharks
  4250. family Oriolidae
    Old World orioles
  4251. family Ornithorhynchidae
    platypus
  4252. family Orobanchaceae
    brown or yellow leafless herbs
  4253. family Orycteropodidae
    aardvarks
  4254. family Oscillatoriaceae
    blue green algae
  4255. family Osmeridae
    smelts
  4256. family Osmundaceae
    large family of ferns widely distributed in temperate and tropical areas
  4257. family Osteoglossidae
    a family of large fishes that live in freshwater
  4258. family Ostraciidae
    boxfishes
  4259. family Ostraciontidae
    boxfishes
  4260. family Ostreidae
    oysters
  4261. family Otariidae
    eared seals: sea lions and fur seals
  4262. family Otididae
    bustards
  4263. family Oxalidaceae
    a family of widely distributed herbs of the order Geraniales
  4264. family Oxyuridae
    pinworms
  4265. family Paeoniaceae
    perennial rhizomatous herbs and shrubs
  4266. family Paguridae
    hermit crabs
  4267. family Palaemonidae
    prawns
  4268. family Palinuridae
    spiny lobsters
  4269. family Palmaceae
    chiefly tropical trees and shrubs and vines usually having a tall columnar trunk bearing a crown of very large leaves; coextensive with the order Palmales
  4270. family Palmae
    chiefly tropical trees and shrubs and vines usually having a tall columnar trunk bearing a crown of very large leaves; coextensive with the order Palmales
  4271. family Pandanaceae
    family of woody plants of the order Pandanales including pandanus
  4272. family Pandionidae
    ospreys
  4273. family Panorpidae
    a family of insects of the order Mecoptera
  4274. family Papaveraceae
    herbs or shrubs having milky and often colored juices and capsular fruits
  4275. family Papilionacea
    leguminous plants whose flowers have butterfly-shaped corollas; commonly included in the family Leguminosae
  4276. family Paradisaeidae
    birds of paradise
  4277. family Paridae
    titmice and chickadees
  4278. family Parkeriaceae
    coextensive with the genus Ceratopteris
  4279. family Parmeliaceae
    a family of lichens
  4280. family Parulidae
    New World warblers
  4281. family Passeridae
    true sparrows: Old world birds formerly considered weaverbirds
  4282. family Passifloraceae
    tropical woody tendril-climbing vines
  4283. family Patellidae
    marine limpets
  4284. family Pectinidae
    scallops
  4285. family Pedaliaceae
    the family of plants of order Polemoniales
  4286. family Pediculidae
    true lice: human lice and related forms
  4287. family Pelecanidae
    pelicans
  4288. family Pelecanoididae
    diving petrels
  4289. family Pelobatidae
    the amphibian family of spadefoot toads
  4290. family Pempheridae
    sweepers
  4291. family Peneidae
    tropical prawns
  4292. family Pennatulidae
    sea pens
  4293. family Peramelidae
    bandicoots
  4294. family Percidae
    active freshwater fishes; true perches and pike perches
  4295. family Percophidae
    percoid flatheads
  4296. family Peridiniidae
    marine and freshwater dinoflagellates
  4297. family Peripatidae
    a family of Onychophora
  4298. family Peripatopsidae
    a family of Onychophora
  4299. family Peronosporaceae
    parasitic fungi: downy mildews
  4300. family Pertusariaceae
    a fungus family of division Lichenes
  4301. family Petromyzontidae
    lampreys
  4302. family Pezizaceae
    large family comprising many typical cup fungi
  4303. family Phaethontidae
    tropicbirds
  4304. family Phalacrocoracidae
    cormorants
  4305. family Phalangeridae
    phalangers; koalas
  4306. family Phalangiidae
    a family of Phalangida
  4307. family Phalaropidae
    phalaropes
  4308. family Phallaceae
    a family of fungi belonging to the order Phallales and comprising the true stinkhorns
  4309. family Phasianidae
    pheasants; quails; partridges
  4310. family Phasmatidae
    stick insects
  4311. family Phasmidae
    stick insects
  4312. family Phillidae
    leaf insects
  4313. family Phocidae
    earless seals
  4314. family Phoenicopteridae
    flamingos
  4315. family Phoeniculidae
    wood hoopoes
  4316. family Pholadidae
    a family of Bivalvia
  4317. family Pholidae
    a family of fish of suborder Blennioidea
  4318. family Pholididae
    a family of fish of suborder Blennioidea
  4319. family Phthiriidae
    crab lice
  4320. family Phyllidae
    leaf insects
  4321. family Phyllocladaceae
    a family of Phyllocladaceae
  4322. family Phyllostomatidae
    New World leaf-nosed bats
  4323. family Phyllostomidae
    New World leaf-nosed bats
  4324. family Phylloxeridae
    plant lice
  4325. family Physeteridae
    sperm whales
  4326. family Physidae
    freshwater snails
  4327. family Phytolaccaceae
    chiefly tropical herbaceous plants (including shrubs and trees) with racemose flowers: genera Phytolacca, Agdestis, Ercilla, Rivina, Trichostigma
  4328. family Picidae
    woodpeckers
  4329. family Pieridae
    arthropod family including cabbage butterflies
  4330. family Pinaceae
    a family of Pinaceae
  4331. family Pinnotheridae
    tiny soft-bodied crabs
  4332. family Piperaceae
    tropical woody vines and herbaceous plants having aromatic herbage and minute flowers in spikelets
  4333. family Pipidae
    tongueless frogs
  4334. family Pipridae
    manakins
  4335. family Pittidae
    pittas
  4336. family Plantaginaceae
    cosmopolitan family of small herbs and a few shrubs
  4337. family Plasmodiidae
    malaria parasites
  4338. family Plasmodiophoraceae
    family of fungi often causing hypertrophy in seed plants
  4339. family Plataleidae
    spoonbills
  4340. family Platanaceae
    coextensive with the genus Platanus: plane trees
  4341. family Platanistidae
    river dolphins
  4342. family Platycephalidae
    scorpaenoid flatheads
  4343. family Plethodontidae
    small mostly terrestrial New World salamanders having neither lungs nor gills as adults
  4344. family Pleurobrachiidae
    sea gooseberries
  4345. family Pleuronectidae
    righteye flounders
  4346. family Ploceidae
    weaverbirds
  4347. family Plumbaginaceae
    perennial herbs and shrubs and lianas
  4348. family Pluteaceae
    a family of fungi belonging to the order Agaricales
  4349. family Poaceae
    the grasses: chiefly herbaceous but some woody plants including cereals; bamboo; reeds; sugar cane
  4350. family Podargidae
    frogmouths
  4351. family Podicipedidae
    coextensive with the order Podicipitiformes
  4352. family Podocarpaceae
    gymnosperms with simple persistent needlelike or scalelike leaves
  4353. family Poeciliidae
    topminnows
  4354. family Polemoniaceae
    a widely distributed family of chiefly herbaceous plants of the order Polemoniales; often have showy flowers
  4355. family Polyangiaceae
    bacteria living mostly in soils and on dung
  4356. family Polygalaceae
    trees, shrubs, and herbs widely distributed throughout both hemispheres
  4357. family Polygonaceae
    a family of plants of order Polygonales chiefly of the north temperate zone; includes the buckwheats
  4358. family Polynemidae
    threadfins
  4359. family Polyodontidae
    paddlefishes
  4360. family Polypedatidae
    Old World tree frogs
  4361. family Polypodiaceae
    ferns: a large family that in some classification systems has been subdivided into several families (including Aspleniaceae and Blechnaceae and Davalliaceae and Dennstaedtiaceae and Dryopteridaceae and Oleandraceae and Pteridaceae)
  4362. family Polyporaceae
    fungi that become corky or woody with age, often forming shelflike growths on trees
  4363. family Pomacentridae
    damselfishes
  4364. family Pomatomidae
    food and game fishes related to pompanos
  4365. family Pongidae
    usually considered as comprising orangutans
  4366. family Pontederiaceae
    aquatic or bog plants
  4367. family Porcellionidae
    sow bugs
  4368. family Portulacaceae
    family of usually succulent herbs
  4369. family Portunidae
    swimming crabs
  4370. family Potamogalidae
    otter shrews
  4371. family Potamogetonaceae
    plants that grow in ponds and slow streams
  4372. family Priacanthidae
    small carnivorous percoid fishes found worldwide in tropical seas
  4373. family Primulaceae
    a dicotyledonous family of the order Primulales with a regular flower; widely distributed in the northern hemisphere
  4374. family Pristidae
    large primitive rays with elongated snouts
  4375. family Procaviidae
    includes all recent members of the order Hyracoidea
  4376. family Procellariidae
    petrels; fulmars; shearwaters;
  4377. family Procyonidae
    raccoons
  4378. family Proteaceae
    large family of Australian and South African shrubs and trees with leathery leaves and clustered mostly tetramerous flowers; constitutes the order Proteales
  4379. family Proteidae
    mud puppies
  4380. family Prunellidae
    hedge sparrow
  4381. family Pseudococcidae
    scalelike insects: mealybugs
  4382. family Pseudomonodaceae
    rod-shaped Gram-negative bacteria
  4383. family Psilophytaceae
    Paleozoic plants
  4384. family Psilotaceae
    small family of lower ferns having nearly naked stems and minute scalelike leaves
  4385. family Psittacidae
    coextensive with the order Psittaciformes
  4386. family Psocidae
    a family of small soft-bodied insects that feed on decaying vegetation; related to booklice
  4387. family Psophiidae
    trumpeters
  4388. family Psychodidae
    very small two-winged flies with hairy wings that develop in moss and damp vegetable matter: sand flies
  4389. family Psyllidae
    jumping plant lice
  4390. family Pteridaceae
    one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; Pteridaceae is itself in turn sometimes further subdivided
  4391. family Pteriidae
    pearl oysters
  4392. family Pteroclididae
    sandgrouses
  4393. family Pterodactylidae
    a reptile family in the order Pterosauria
  4394. family Ptilonorhynchidae
    bowerbirds
  4395. family Pucciniaceae
    large important family of rust fungi
  4396. family Pulicidae
    many common fleas attacking humans and domestic animals
  4397. family Punicaceae
    one species: pomegranates
  4398. family Pygopodidae
    Australian and Tasmanian lizards
  4399. family Pyralidae
    bee moths; corn borers; flour moths
  4400. family Pyralididae
    bee moths; corn borers; flour moths
  4401. family Pyrolaceae
    evergreen herbs of temperate regions: genera Pyrola, Chimaphila, Moneses, Orthilia
  4402. family Pyrrhocoridae
    firebugs
  4403. family Pythiaceae
    fungi having sporangia usually borne successively and singly at the tips of branching sporangiophores
  4404. family Pythonidae
    in some classifications a family separate from Boidae comprising Old World boas
  4405. family Rachycentridae
    family of pelagic fishes containing solely the cobia
  4406. family Rafflesiaceae
    a family of parasitic plants of the order Aristolochiales
  4407. family Rajidae
    bottom-dwelling tropical rays: skates
  4408. family Rallidae
    rails; crakes; gallinules; coots
  4409. family Ramphastidae
    toucans
  4410. family Ranidae
    a family nearly cosmopolitan in distribution: true frogs
  4411. family Ranunculaceae
    a family of Ranunculaceae
  4412. family Rapateaceae
    South American herbs somewhat resembling members of the Juncaceae
  4413. family Raphidae
    extinct dodos and solitaires
  4414. family Raphidiidae
    a family of arthropods of the suborder Megaloptera, including snakeflies
  4415. family Recurvirostridae
    long-legged shorebirds
  4416. family Reduviidae
    assassin bugs
  4417. family Regalecidae
    ribbonfishes
  4418. family Resedaceae
    mainly Mediterranean herbs: mignonette
  4419. family Rhamnaceae
    trees and shrubs usually thorny bearing drupaceous fruit many having medicinal value
  4420. family Rheidae
    a family of birds coextensive with the order Rheiformes
  4421. family Rhincodontidae
    small-toothed sharks comprising only one species
  4422. family Rhinobatidae
    primitive rays with guitar-shaped bodies
  4423. family Rhinocerotidae
    rhinoceroses
  4424. family Rhinolophidae
    Old World leaf-nosed bats
  4425. family Rhinotermitidae
    large widely distributed family of termites of temperate to tropical regions
  4426. family Rhiptoglossa
    Old World chameleons
  4427. family Rhizobiaceae
    a small family of rod-shaped bacteria
  4428. family Rhizophoraceae
    trees and shrubs that usually form dense jungles along tropical seacoasts
  4429. family Rhizopogonaceae
    a family of fungi of order Hymenogastrales having round subterranean sporophores
  4430. family Rhodymeniaceae
    a family of protoctist
  4431. family Rhyniaceae
    primitive plants of the Paleozoic
  4432. family Rickettsiaceae
    microorganism resembling bacteria inhabiting arthropod tissues but capable of causing disease in vertebrates
  4433. family Roccellaceae
    a fungus family of division Lichenes
  4434. family Roridulaceae
    in some classifications included in the family Droseraceae
  4435. family Rosaceae
    a large family of dicotyledonous plants of order Rosales
  4436. family Rubiaceae
    widely distributed family of mostly tropical trees and shrubs and herbs; includes coffee and chinchona and gardenia and madder and bedstraws and partridgeberry
  4437. family Ruscaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
  4438. family Russulaceae
    used in some classification systems for the genus Russula
  4439. family Rutaceae
    a family of dicotyledonous plants of order Geraniales
  4440. family Rynchopidae
    coextensive with the genus Rynchops: skimmers
  4441. family Saccharomycetaceae
    family of fungi comprising the typical yeasts: reproduce by budding and ferment carbohydrates
  4442. family Sagittariidae
    secretary birds
  4443. family Salamandridae
    salamanders
  4444. family Salicaceae
    two genera of trees or shrubs having hairy catkins: Salix
  4445. family Salmonidae
    salmon and trout
  4446. family Salpidae
    a small family of tunicates in the class Thaliacea
  4447. family Salvadoraceae
    a family of Old World shrubs and trees of order Gentianales
  4448. family Salviniaceae
    water ferns
  4449. family Santalaceae
    chiefly tropical herbs or shrubs or trees bearing nuts or one-seeded fruit
  4450. family Sapindaceae
    chiefly tropical New and Old World deciduous and evergreen trees and shrubs bearing leathery drupes with yellow translucent flesh; most plants produce toxic saponins
  4451. family Sapotaceae
    tropical trees or shrubs with milky juice and often edible fleshy fruit
  4452. family Sarcoptidae
    small whitish mites
  4453. family Sarcoscyphaceae
    family of fungi belonging to the order Pezizales
  4454. family Sarraceniaceae
    insectivorous plants
  4455. family Saturniidae
    important and widely distributed family of moths including some of the largest insects known
  4456. family Satyridae
    a widely distributed family of butterflies common near the edges of woods
  4457. family Saururaceae
    family of perennial aromatic herbs: genera Saururus, Anemopsis, Houttuynia
  4458. family Saxifragaceae
    a large and diverse family of evergreen or deciduous herbs
  4459. family Scarabaeidae
    scarab or dung beetles
  4460. family Scaridae
    parrotfishes
  4461. family Scheuchzeriaceae
    a family of monocotyledonous bog herbs of order Naiadales
  4462. family Schistosomatidae
    a family of Trematoda
  4463. family Schizaeaceae
    small family of mainly tropical ferns
  4464. family Schizophyceae
    former terms for Cyanophyceae
  4465. family Schizosaccharomycetaceae
    a family of fungi belonging to order Endomycetales
  4466. family Sciadopityaceae
    family comprising a single genus that until recently was considered part of Taxodiaceae
  4467. family Sciaenidae
    warm-water marine fishes including the drums and grunts and croakers and sea trout
  4468. family Sciaridae
    fungus gnats
  4469. family Scincidae
    skinks
  4470. family Sciuridae
    a mammal family of true squirrels including: ground squirrels; marmots; chipmunks; flying squirrels; spermophiles
  4471. family Sclerodermataceae
    a family of fungi or order Sclerodermatales with a single-layered peridium; includes earthballs
  4472. family Sclerotiniaceae
    a fungus family of order Helotiales
  4473. family Scolopacidae
    sandpiper family: sandpipers
  4474. family Scolytidae
    large family of bark-boring or wood-boring short-beaked beetles; very destructive to forest and fruit trees
  4475. family Scomberesocidae
    only sauries
  4476. family Scombresocidae
    only sauries
  4477. family Scombridae
    marine food fishes: mackerels; chub mackerels; tuna
  4478. family Scorpaenidae
    scorpionfishes; rockfishes; lionfishes
  4479. family Scrophulariaceae
    a family of dicotyledonous plants of the order Polemoniales
  4480. family Scutigeridae
    a family of Chilopoda
  4481. family Scyliorhinidae
    small bottom-dwelling sharks
  4482. family Secotiaceae
    a family of fungi that have a stalk and cap and a wrinkled mass of tissue (the gleba) where spores are produced; are often dismissed as misshapen forms of other fungi
  4483. family Selaginellaceae
    lesser club mosses: terrestrial chiefly tropical plants resembling mosses
  4484. family Sepiidae
    true cuttlefishes
  4485. family Septobasidiaceae
    a family of fungi belonging to the subdivision Basidiomycota
  4486. family Serranidae
    marine fishes: sea basses; sea perches; groupers; jewfish
  4487. family Sialidae
    an arthropod family including: alderflies
  4488. family Sillaginidae
    small family of small food fishes in shallow waters of the Pacific around Indonesia
  4489. family Siluridae
    Old World catfishes
  4490. family Simaroubaceae
    chiefly tropical trees and shrubs with bitter bark having dry usually one-seeded winged fruit
  4491. family Simuliidae
    blackflies and sand flies
  4492. family Sirenidae
    sirens
  4493. family Sisyridae
    an arthropod family of the order Neuroptera that includes spongeflies
  4494. family Sittidae
    nuthatches
  4495. family Solanaceae
    large and economically important family of herbs or shrubs or trees often strongly scented and sometimes narcotic or poisonous; includes the genera Solanum, Atropa, Brugmansia, Capsicum, Datura, Hyoscyamus, Lycopersicon, Nicotiana, Petunia, Physalis, and Solandra
  4496. family Soleidae
    soles
  4497. family Solenidae
    razor clams
  4498. family Soricidae
    shrews
  4499. family Spalacidae
    mole rats
  4500. family Sparganiaceae
    coextensive with the genus Sparganium
  4501. family Sparidae
    porgies; scups
  4502. family Sphaeriaceae
    parasitic fungi having globose and sometimes necked or beaked perithecia
  4503. family Sphaerobolaceae
    monotypic family of fungi in which the more or less spherical gleba is forcibly ejected at maturity
  4504. family Sphaerocarpaceae
    liverworts with bilaterally symmetrical gametophytes
  4505. family Sphecidae
    mud daubers; some digger wasps
  4506. family Spheniscidae
    comprising all existing penguins
  4507. family Sphingidae
    hawkmoths
  4508. family Sphyraenidae
    monotypic family of large active fishes of tropical and subtropical waters: barracuda
  4509. family Sphyrnidae
    hammerhead sharks; bonnethead sharks
  4510. family Spirillaceae
    rigid spirally curved elongate bacteria
  4511. family Spirochaetaceae
    large coarsely spiral bacteria
  4512. family Spirulidae
    coextensive with the genus Spirula
  4513. family Squalidae
    dogfishes having a spine in each dorsal fin
  4514. family Squatinidae
    bottom-dwelling ray-like sharks
  4515. family Squillidae
    crustaceans that burrow in mud or under stones in shallow water along the seashore
  4516. family Staphylaceae
    a family of dicotyledonous plants of order Sapindales found mostly in the north temperate zone
  4517. family Staphylinidae
    rove beetles
  4518. family Steatornithidae
    oilbirds
  4519. family Stenopelmatidae
    long-horned grasshoppers
  4520. family Stercorariidae
    jaegers and skuas:
  4521. family Sterculiaceae
    a large family of plants of order Malvales
  4522. family Stichaeidae
    pricklebacks
  4523. family Stizidae
    cicada killers
  4524. family Strelitziaceae
    woody plants with erect stems of tropical South America and South Africa and Madagascar; in some classifications included in the family Musaceae
  4525. family Streptomycetaceae
    higher bacteria typically aerobic soil saprophytes
  4526. family Strigidae
    a family of nocturnal birds of the order Strigiformes
  4527. family Stromateidae
    butterfishes: harvest fishes; dollar fishes
  4528. family Strombidae
    the family of conchs
  4529. family Strophariaceae
    sometimes included in family Agaricaceae
  4530. family Struthionidae
    tall terrestrial birds: ostriches
  4531. family Sturnidae
    Old World starlings
  4532. family Styracaceae
    a widely distributed family of shrubs and trees of order Ebenales
  4533. family Suidae
    pigs; hogs; boars
  4534. family Sulidae
    gannets and boobies
  4535. family Sylviidae
    in some classifications considered a subfamily (Sylviinae) of the family Muscicapidae: Old World (true) warblers; American kinglets and gnatcatchers
  4536. family Symplocaceae
    a dicotyledonous family of order Ebenales
  4537. family Synchytriaceae
    a fungus family of order Chytridiales
  4538. family Syngnathidae
    pipefishes
  4539. family Synodontidae
    soft-finned bottom-dwelling fishes
  4540. family Tabanidae
    horseflies
  4541. family Taccaceae
    small family of tropical herbs
  4542. family Tachinidae
    parasites on other insects
  4543. family Tachyglossidae
    echidnas
  4544. family Taeniidae
    a family of Cestoda
  4545. family Talpidae
    moles
  4546. family Tamaricaceae
    family of desert shrubs and trees
  4547. family Tapiridae
    tapirs and extinct related forms
  4548. family Tarsiidae
    coextensive with the genus Tarsius: tarsiers
  4549. family Taxaceae
    sometimes classified as member of order Taxales
  4550. family Tayassuidae
    peccaries
  4551. family Tecophilaeacea
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
  4552. family Teiidae
    whiptails; etc.
  4553. family Tenebrionidae
    a family of arthropods including darkling beetles and mealworms
  4554. family Tenrecidae
    tenrecs and extinct related forms
  4555. family Tenthredinidae
    sawflies
  4556. family Terebellidae
    marine burrowing or tube-forming polychete worms usually having long thick bodies
  4557. family Teredinidae
    shipworms
  4558. family Termitidae
    termites
  4559. family Testudinidae
    land tortoises
  4560. family Tethyidae
    sea hares
  4561. family Tetragoniaceae
    succulent herbs or small shrubs mostly of South Africa but also New Zealand and North America: carpetweeds; fig marigolds
  4562. family Tetranychidae
    plant-feeding mites
  4563. family Tetraodontidae
    puffers
  4564. family Tetraonidae
    grouse
  4565. family Tettigoniidae
    long-horned grasshoppers; katydids
  4566. family Theaceae
    a family of trees and shrubs of the order Parietales
  4567. family Thelephoraceae
    fungi having leathery or membranous sporophores
  4568. family Thelypteridaceae
    genera Thelypteris, Phegopteris, and others
  4569. family Theophrastaceae
    family of mainly tropical American trees and shrubs similar to those of the Myrsinaceae; often included in the Myrsinaceae
  4570. family Theraphosidae
    large tropical spiders; tarantulas
  4571. family Theridiidae
    a family of comb-footed spiders
  4572. family Thiobacteriaceae
    free-living coccoid to rod-shaped bacteria that derive energy from oxidizing sulfur or sulfur compounds
  4573. family Thraupidae
    tanagers
  4574. family Threskiornithidae
    ibises
  4575. family Thripidae
    thrips
  4576. family Thymelaeaceae
    family of trees and shrubs and herbs having tough bark that are found especially in Australia and tropical Africa
  4577. family Tiliaceae
    chiefly trees and shrubs of tropical and temperate regions of especially southeastern Asia and Brazil; genera Tilia, Corchorus, Entelea, Grewia, Sparmannia
  4578. family Tilletiaceae
    a family of smut fungi having a simple promycelium bearing the spores in an apical cluster
  4579. family Timaliidae
    babblers
  4580. family Tinamidae
    comprising the tinamous
  4581. family Tineidae
    clothes moths
  4582. family Tingidae
    lace bugs
  4583. family Tipulidae
    crane flies
  4584. family Titanosauridae
    herbivorous dinosaurs of the Cretaceous
  4585. family Todidae
    a family of birds of the order Coraciiformes
  4586. family Torpedinidae
    electric rays
  4587. family Tortricidae
    leaf rollers and codling moths
  4588. family Toxotidae
    archerfishes
  4589. family Trachipteridae
    ribbonfishes
  4590. family Tragulidae
    chevrotains
  4591. family Trapaceae
    family comprising solely the genus Trapa
  4592. family tree
    successive generations of kin
  4593. family Tremellaceae
    a family of basidiomycetous fungi of the order Tremellales that have the basidium divided longitudinally
  4594. family Trephritidae
    fruit flies; some leaf miners
  4595. family Treponemataceae
    small spirochetes some parasitic or pathogenic
  4596. family Triakidae
    small sharks with smooth skins and lacking spines on their dorsal fins
  4597. family Tribonemaceae
    simple filamentous freshwater yellow-green algae
  4598. family Trichechidae
    comprising only the manatees
  4599. family Trichiuridae
    cutlassfishes
  4600. family Trichodontidae
    two species of elongate compressed scaleless large-eyed fishes that live in sand or mud
  4601. family Tricholomataceae
    a family of fungi belonging to the order Agaricales
  4602. family Tridacnidae
    large marine hard-shell clams
  4603. family Triglidae
    in some classifications restricted to the gurnards and subdivided into the subfamilies Triglinae (true sea robins) and Peristediinae (armored sea robins)
  4604. family Trilliaceae
    small family of herbs having flowers with 3 petals and 3 sepals; in some classification systems considered a subfamily of the Liliaceae
  4605. family Trionychidae
    soft-shelled turtles
  4606. family Triopidae
    a family of Notostraca
  4607. family Trochilidae
    hummingbirds
  4608. family Troglodytidae
    wrens
  4609. family Trogonidae
    coextensive with the order Trogoniformes
  4610. family Trombiculidae
    mites
  4611. family Trombidiidae
    mites
  4612. family Tropaeolaceae
    coextensive with the genus Tropaeolum
  4613. family Trypetidae
    fruit flies; some leaf miners
  4614. family Tuberaceae
    family of fungi whose ascocarps resemble tubers and vary in size from that of an acorn to that of a large apple
  4615. family Tuberculariaceae
    large family of mainly saprophytic imperfect fungi
  4616. family Tulostomaceae
    stalked puffballs
  4617. family Tulostomataceae
    stalked puffballs
  4618. family Tupaiidae
    tree shrews
  4619. family Turdidae
    thrushes
  4620. family Turnicidae
    small Old World birds resembling but not related to true quail
  4621. family Tylenchidae
    a family of Nematoda
  4622. family Typhaceae
    perennial marsh plants with creeping rootstocks and long linear leaves
  4623. family Typhlopidae
    blind snakes
  4624. family Tytonidae
    comprising only the barn owls
  4625. family Uintatheriidae
    an extinct family of Dinocerata
  4626. family Ulmaceae
    a dicot family of the order Urticales including: genera Ulmus, Celtis, Planera, Trema
  4627. family Ulvaceae
    thin flat or tubular green algae
  4628. family Umbelliferae
    plants having flowers in umbels: parsley
  4629. family Unionidae
    freshwater mussels found worldwide
  4630. family unit
    primary social group; parents and children
  4631. family Upupidae
    hoopoes
  4632. family Uranoscopidae
    stargazers
  4633. family Ursidae
    bears and extinct related forms
  4634. family Urticaceae
    a family of plants of order Urticales including many nettles with stinging hairs
  4635. family Usneaceae
    fruticose lichens having prostrate or erect or pendulous thalli: genera Usnea, Evernia, Ramalina, Alectoria
  4636. family Ustilaginaceae
    a fungus family of loose smuts
  4637. family Valerianaceae
    genus of mostly herbs having a characteristic fetid odor
  4638. family Varanidae
    monitor lizards
  4639. family Veneridae
    hard-shell clams
  4640. family Verbenaceae
    family of New World tropical and subtropical herbs and shrubs and trees
  4641. family Vespertilionidae
    the majority of common bats of temperate regions of the world
  4642. family Vespidae
    an arthropod family of the order Hymenoptera including: yellow jackets; hornets; mason wasps
  4643. family Violaceae
    a family of order Parietales including the genera Viola, Hybanthus, Hymenanthera, Melicytus
  4644. family Viperidae
    Old World vipers
  4645. family Vireonidae
    small insectivorous American songbirds
  4646. family Viscaceae
    in some classifications considered a subfamily of Loranthaceae
  4647. family Vitaceae
    a family of vines belonging to order Rhamnales
  4648. family Vittariaceae
    one of a number of families into which Polypodiaceae has been subdivided in some classification systems: genus Vittaria
  4649. family Viverridae
    genets; civets; mongooses
  4650. family Viverrinae
    genets; civets; mongooses
  4651. family Volvariaceae
    a family of fungi belonging to the order Agaricales
  4652. family Volvocaceae
    unicellular or colonial biflagellate free-swimming flagellates
  4653. family Vombatidae
    wombats
  4654. family Welwitschiaceae
    in some classifications included in the Gnetaceae
  4655. family Winteraceae
    small family of chiefly tropical shrubs and trees of genera Drimys and Pseudowintera; sometimes included in Magnoliaceae
  4656. family Xanthorrhoeaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
  4657. family Xantusiidae
    night lizards
  4658. family Xenicidae
    alternative names for the family comprising the New Zealand wrens
  4659. family Xenopodidae
    in some classifications the family of the genus Xenopus which is otherwise included in the family Pipidae
  4660. family Xenosauridae
    monotypic family of Mexican lizards
  4661. family Xiphiidae
    comprising the common swordfishes
  4662. family Xylariaceae
    family of fungi characterized by dark brown to black spores
  4663. family Xyridaceae
    plants of tropical to temperate regions
  4664. family Zamiaceae
    a family of cycads often included in the family Cycadaceae: zamias
  4665. family Zannichelliaceae
    alternative classification for some genera included in Potamogetonaceae; one species
  4666. family Zapodidae
    jumping mice
  4667. family Zeidae
    a family of fish in the order Zeomorphi
  4668. family Zingiberaceae
    a family of tropical monocotyledonous plants of order Musales
  4669. family Ziphiidae
    beaked whales
  4670. family Zoarcidae
    eelpouts
  4671. family Zosteraceae
    used in some classifications: essentially equivalent to Potamogetonaceae
  4672. family Zygnemataceae
    pond scums: common freshwater algae forming green slimy masses
  4673. family Zygophyllaceae
    small trees, shrubs, and herbs of warm arid and saline regions; often resinous; some poisonous: genera Zygophyllum, Tribulus, Guaiacum, Larrea
  4674. fan mail
    mail sent to public figures from their admirers
  4675. fancy-dress ball
    a ball at which guests wear costumes and masks
  4676. fandom
    the admirers of a certain celebrity, team, show, etc.
  4677. Fannie Mae
    a federally chartered corporation that purchases mortgages
  4678. FAO
    the United Nations agency concerned with the international organization of food and agriculture
  4679. FAR
    a terrorist organization that seeks to overthrow the government dominated by Tutsi and to institute Hutu control again
  4680. FARC
    a powerful and wealthy terrorist organization formed in 1957 as the guerilla arm of the Colombian communist party; opposed to the United States; has strong ties to drug dealers
  4681. farm club
    a minor-league team that is owned by a major-league team
  4682. Farm Credit System
    a cooperative nationwide system of banks and associations providing credit to farmers and related businesses; originally capitalized by the federal government but now owned by its members and borrowers
  4683. farm team
    a minor-league team that is owned by a major-league team
  4684. Farmer-Labor Party
    a former minor political party in the United States in the early 20th century
  4685. farrago
    a motley assortment of things
  4686. Fasciola
    a genus of Fasciolidae
  4687. Fasciolidae
    a family of Trematoda
  4688. Fasciolopsis
    a genus of Fasciolidae
  4689. fashion business
    makers and sellers of fashionable clothing
  4690. fashion industry
    makers and sellers of fashionable clothing
  4691. Fatah
    a Palestinian political and military organization founded by Yasser Arafat in 1958 to work toward the creation of a Palestinian state; during the 1960s and 1970s trained terrorist and insurgent groups
  4692. Fatah Revolutionary Council
    a Palestinian international terrorist organization that split from the PLO in 1974; has conducted terrorist attacks in 20 countries
  4693. Fatah Tanzim
    a terrorist group organized by Yasser Arafat in 1995 as the armed wing of al-Fatah; serves a dual function of violent confrontation with Israel and serves as Arafat's unofficial militia to prevent rival Islamists from usurping leadership
  4694. Fatah-RC
    a Palestinian international terrorist organization that split from the PLO in 1974; has conducted terrorist attacks in 20 countries
  4695. fatigue party
    a group of soldiers on fatigue duty
  4696. fauna
    all the animal life in a particular region or period
  4697. fauvism
    an art movement launched in 1905 whose work was characterized by bright and nonnatural colors and simple forms; influenced the expressionists
  4698. FBI
    a federal law enforcement agency that is the principal investigative arm of the Department of Justice
  4699. FCC
    an independent government agency that regulates interstate and international communications by radio and television and wire and cable and satellite
  4700. FCS
    a cooperative nationwide system of banks and associations providing credit to farmers and related businesses; originally capitalized by the federal government but now owned by its members and borrowers
  4701. FDA
    a federal agency in the Department of Health and Human Services established to regulate the release of new foods and health-related products
  4702. FDIC
    a federally sponsored corporation that insures accounts in national banks and other qualified institutions
  4703. feast
    a ceremonial dinner party for many people
  4704. Fed
    any federal law-enforcement officer
  4705. fedayeen
    (plural) Arab guerrillas who operate mainly against Israel
  4706. Fedayeen Saddam
    a feared paramilitary unit formed in 1995 by young soldiers to serve Saddam Hussein against domestic opponents
  4707. federal agency
    an administrative unit of government
  4708. Federal Aviation Agency
    an agency in the Department of Transportation that is responsible for the safety of civilian aviation
  4709. Federal Bureau of Investigation
    a federal law enforcement agency that is the principal investigative arm of the Department of Justice
  4710. Federal Bureau of Prisons
    the law enforcement agency of the Justice Department that operates a nationwide system of prisons and detention facilities to incarcerate inmates sentenced to imprisonment for federal crimes
  4711. Federal Communications Commission
    an independent government agency that regulates interstate and international communications by radio and television and wire and cable and satellite
  4712. federal court
    a court establish by the authority of a federal government
  4713. federal department
    a department of the federal government of the United States
  4714. Federal Deposit Insurance Corporation
    a federally sponsored corporation that insures accounts in national banks and other qualified institutions
  4715. Federal Emergency Management Agency
    an independent agency of the United States government that provides a single point of accountability for all federal emergency preparedness and mitigation and response activities
  4716. federal government
    a government with strong central powers
  4717. Federal Home Loan Bank System
    the central credit system for thrift institutions
  4718. Federal Home Loan Mortgage Corporation
    a corporation authorized by Congress to provide a secondary market for residential mortgages
  4719. Federal Housing Administration
    the federal agency in the Department of Housing and Urban Development that insures residential mortgages
  4720. federal job safety law
    a law passed by the United States Congress that created the Occupational Safety and Health Administration to prevent employees from being injured or contracting diseases in the course of their employment
  4721. Federal Judiciary
    the judiciary of the United States which is responsible for interpreting and enforcing federal laws
  4722. Federal Law Enforcement Training Center
    a center in the Department of that trains law enforcement professionals for more than seventy federal agencies
  4723. Federal National Mortgage Association
    a federally chartered corporation that purchases mortgages
  4724. federal office
    a department of the federal government of the United States
  4725. Federal Party
    a major political party in the United States in the early 19th century; founded by Alexander Hamilton; favored a strong centralized government
  4726. Federal Protective Service
    an agency in the General Services Administration that is a security organization to provide a safe environment where Federal agencies can conduct their business
  4727. Federal Reserve
    the central bank of the United States
  4728. Federal Reserve Bank
    one of 12 regional banks that monitor and act as depositories for banks in their region
  4729. Federal Reserve Board
    the seven-member board governing the Federal Reserve System
  4730. Federal Reserve System
    the central bank of the United States
  4731. federal savings bank
    a federally chartered savings bank
  4732. Federal Security Bureau
    the internal counterintelligence agency of the Russian Federation and successor to the Soviet KGB; formerly led by Vladimir Putin
  4733. Federal Security Service
    the internal counterintelligence agency of the Russian Federation and successor to the Soviet KGB; formerly led by Vladimir Putin
  4734. Federal Trade Commission
    an independent agency of the United States federal government that maintains fair and free competition; enforces federal antitrust laws; educates the public about identity theft
  4735. Federalist Party
    a major political party in the United States in the early 19th century; founded by Alexander Hamilton; favored a strong centralized government
  4736. federation
    an organization formed by merging several groups or parties
  4737. federation of tribes
    a federation (as of American Indians)
  4738. Felicia
    genus of tropical African herbs or subshrubs with usually blue flowers
  4739. Felidae
    cats
  4740. Felis
    type genus of the Felidae: true cats and most wildcats
  4741. fellowship
    the state of being with someone
  4742. FEMA
    an independent agency of the United States government that provides a single point of accountability for all federal emergency preparedness and mitigation and response activities
  4743. feminine
    associated with women and not with men
  4744. Fenusa
    birch leaf miner
  4745. Ferdinand and Isabella
    joint monarchs of Spain; Ferdinand V and Isabella I
  4746. fern family
    families of ferns and fern allies
  4747. fern genus
    genera of ferns and fern allies
  4748. Ferocactus
    genus of nearly globular cacti of Mexico and southwestern United States: barrel cacti
  4749. festoon
    a decorative representation of a string of flowers
  4750. festoonery
    flower chains suspended in curves between points as a decoration
  4751. Festuca
    a genus of tufted perennial grasses of the family Gramineae
  4752. feudal system
    the social system in which vassals were protected by lords
  4753. feudalism
    the social system in which vassals were protected by lords
  4754. few
    a small number of the persons or things being discussed
  4755. FHA
    the federal agency in the Department of Housing and Urban Development that insures residential mortgages
  4756. FHLMC
    a corporation authorized by Congress to provide a secondary market for residential mortgages
  4757. Fibonacci sequence
    a sequence of numbers in which each number equals the sum of the two preceding numbers
  4758. Ficus
    large genus of tropical trees or shrubs or climbers including fig trees
  4759. fiefdom
    the domain controlled by a feudal lord
  4760. field
    extensive tract of level open land
  4761. fifth column
    a subversive group that supports the enemy and engages in espionage or sabotage; an enemy in your midst
  4762. Fifth Lateran Council
    the council in 1512-1517 that published disciplinary decrees and planned (but did not carry out) a crusade against Turkey
  4763. FIG
    a Libyan terrorist group organized in 1995 and aligned with al-Qaeda; seeks to radicalize the Libyan government; attempted to assassinate Qaddafi
  4764. Fighting French
    a French movement during World War II that was organized in London by Charles de Gaulle to fight for the liberation of France from German control and for the restoration of the republic
  4765. figwort family
    a family of dicotyledonous plants of the order Polemoniales
  4766. Filariidae
    threadlike roundworms
  4767. file
    record in a public office or in a court of law
  4768. file allocation table
    the part of a floppy disk or hard disk where information is stored about the location of each piece of information on the disk (and about the location of unusable areas of the disk)
  4769. file name extension
    a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename
  4770. filename extension
    a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename
  4771. Filicales
    true (leptosporangiate) ferns
  4772. Filicinae
    ferns
  4773. Filicopsida
    ferns
  4774. film company
    a company that makes, advertises, and distributes movies
  4775. film industry
    the entertainment industries involved in producing and distributing movies
  4776. filmdom
    the personnel of the film industry
  4777. Filoviridae
    a family of threadlike RNA viruses that cause diseases in humans and nonhuman primates (monkeys and chimpanzees)
  4778. finance committee
    a committee appointed to consider financial issues
  4779. finance company
    a financial institution (often affiliated with a holding company or manufacturer) that makes loans to individuals or businesses
  4780. Financial Crimes Enforcement Network
    a law enforcement agency of the Treasury Department responsible for establishing and implementing policies to detect money laundering
  4781. financial institution
    an institution (public or private) that collects funds (from the public or other institutions) and invests them in financial assets
  4782. Financial Management Service
    the federal agency in the Treasury Department that manages the government's disbursement and collection systems and provides central accounting and financial reporting
  4783. financial organisation
    an institution (public or private) that collects funds (from the public or other institutions) and invests them in financial assets
  4784. financial organization
    an institution (public or private) that collects funds (from the public or other institutions) and invests them in financial assets
  4785. FinCEN
    a law enforcement agency of the Treasury Department responsible for establishing and implementing policies to detect money laundering
  4786. findings
    a collection of tools and other articles used by an artisan to make jewelry or clothing or shoes
  4787. finishing school
    a private school for girls that emphasizes training in cultural and social activities
  4788. fire brigade
    a private or temporary organization of individuals equipped to fight fires
  4789. fire company
    a private or temporary organization of individuals equipped to fight fires
  4790. fire department
    the department of local government responsible for preventing and extinguishing fires
  4791. firing line
    the line from which soldiers deliver fire
  4792. firing party
    a squad formed to fire volleys at a military funeral or to carry out a military execution
  4793. firing squad
    a squad formed to fire volleys at a military funeral or to carry out a military execution
  4794. firm
    not soft or yielding to pressure
  4795. Firmiana
    small genus of Asian trees or shrubs
  4796. First Council of Constantinople
    the second ecumenical council in 381 which added wording about the Holy Spirit to the Nicene Creed
  4797. First Council of Lyons
    the council of the Western Church in 1245 that excommunicated Holy Roman Emperor Frederick II and planned a new crusade against the Holy Land
  4798. First Council of Nicaea
    the first ecumenical council in 325 which produced the wording of the Nicene Creed and condemned the heresy of Arianism
  4799. first estate
    the clergy in France and the heads of the church in Britain
  4800. First Lateran Council
    the first council of the Western Church held in the Lateran Palace in 1123; focused on church discipline and made plans to recover the Holy Lands from the Muslim `infidels'
  4801. First of October Antifascist Resistance Group
    an armed wing of the Communist Party of Spain
  4802. first person
    pronouns and verbs used to refer to the speaker
  4803. first team
    a team representing a high school, college, or university
  4804. First Vatican Council
    the Vatican Council in 1869-1870 that proclaimed the infallibility of the pope when speaking ex cathedra
  4805. Fischer's slime mushroom
    a type of slime mushroom
  4806. fish family
    any of various families of fish
  4807. fish genus
    any of various genus of fish
  4808. fish species
    a species of fish
  4809. Fissurella
    type genus of the family Fissurellidae: keyhole limpets
  4810. Fissurellidae
    marine limpets
  4811. Fistularia
    type genus of the family Fistulariidae
  4812. Fistulariidae
    cornetfishes
  4813. Fistulina
    fungi having each pore separate though crowded
  4814. Fistulinaceae
    a family of fungi closely related to the family Polyporaceae except that the tubes on the undersurface of the cap are separate from each other
  4815. five
    the cardinal number that is the sum of four and one
  4816. Five Nations
    a league of Iroquois tribes including originally the Mohawk, Oneida, Onondaga, Cayuga and Seneca (the Five Nations); after 1722 they were joined by the Tuscarora (the Six Nations)
  4817. fivesome
    five people considered as a unit
  4818. fixed investment trust
    an investment trust that can buy only those securities listed when the trust was organized
  4819. Flacourtia
    often spiny trees or shrubs of tropical Asia and Africa
  4820. flacourtia family
    chiefly tropical trees and shrubs
  4821. Flacourtiaceae
    chiefly tropical trees and shrubs
  4822. Flagellata
    protozoa having flagella
  4823. flagging
    weak from exhaustion
  4824. Flammulina
    a genus of agarics
  4825. flank
    the side between ribs and hipbone
  4826. Flavian dynasty
    a dynasty of Roman Emperors from 69 to 96 including Vespasian and his sons Titus and Domitian
  4827. flax family
    a widely distributed family of plants
  4828. fleet
    group of aircraft operating under the same ownership
  4829. Flemish
    of or relating to Flanders or its people or language or culture
  4830. FLETC
    a center in the Department of that trains law enforcement professionals for more than seventy federal agencies
  4831. flight
    an instance of traveling by air
  4832. flinders
    bits and splinters and fragments
  4833. Flindersia
    small genus of Australian timber trees
  4834. FLNC
    a terrorist group formed in 1976 to work for Corsican independence; attacks on Corsica are aimed at sabotaging public infrastructure and symbols of colonialism
  4835. flock
    a group of birds
  4836. floor
    the inside lower horizontal surface
  4837. flora
    all the plant life in a particular region or period
  4838. floral arrangement
    a decorative arrangement of flowers
  4839. flotilla
    a fleet of small craft
  4840. flow
    move along, of liquids
  4841. flower arrangement
    a decorative arrangement of flowers
  4842. flower chain
    flowers strung together in a chain
  4843. flower people
    a youth subculture originating in San Francisco in the 1960s
  4844. fluorine
    a nonmetallic univalent element belonging to the halogens
  4845. flush
    rinse, clean, or empty with a liquid
  4846. flying school
    a school for teaching students to fly airplanes
  4847. flying squad
    a mobile group of trained people (police or executives or officials) able to move quickly in the case of emergencies
  4848. FNMA
    a federally chartered corporation that purchases mortgages
  4849. Foeniculum
    very small genus of aromatic European herbs with pinnately compound leaves and yellow flowers
  4850. Foggy Bottom
    United States Department of State, which is housed in a building in a low-lying area of Washington near the Potomac River
  4851. fold
    bend or lay so that one part covers the other
  4852. folk
    people in general (often used in the plural)
  4853. folks
    people in general (often used in the plural)
  4854. followers
    a group of followers or enthusiasts
  4855. Followers of the Phrophet
    a resurgent Islamic fundamentalist organization based in Nigeria that is thought to be planning terrorist attacks
  4856. following
    the act of pursuing in an effort to overtake or capture
  4857. Folsom culture
    the Paleo-American culture of Central America and North America; distinguished chiefly by a thin finely made flint projectile point having the shape of a leaf
  4858. Fomes
    genus of bracket fungi forming corky or woody perennial shelflike sporophores often of large size; includes some that cause destructive heartrot in trees
  4859. Food and Agriculture Organization
    the United Nations agency concerned with the international organization of food and agriculture
  4860. Food and Agriculture Organization of the United Nations
    the United Nations agency concerned with the international organization of food and agriculture
  4861. Food and Drug Administration
    a federal agency in the Department of Health and Human Services established to regulate the release of new foods and health-related products
  4862. food company
    a company that processes and sells food
  4863. foot
    the pedal extremity of vertebrates other than human beings
  4864. foot traffic
    people coming and going on foot
  4865. football league
    a league of football teams
  4866. football team
    a team that plays football
  4867. Foraminifera
    foraminifers
  4868. force
    influence that results in motion, stress, etc. when applied
  4869. Force 17
    formed in 1972 as a personal security force for Arafat and other PLO leaders; became one of PLO's elite units; has built an extensive infrastructure of terrorist cells and weapon depots in Europe while attacking Israeli targets
  4870. Forces of Umar Al-Mukhtar
    a little known Palestinian group responsible for bombings and for killing Israelis; seeks to defeat Israel and liberate southern Lebanon, Palestine, and Golan Heights
  4871. foreign country
    any state of which one is not a citizen
  4872. Foreign Intelligence Service
    Russia's intelligence service responsible for foreign operations, intelligence-gathering and analysis, and the exchange of intelligence information; collaborates with other countries to oppose proliferation of weapons of mass destruction, terrorism and organized crime
  4873. Foreign Intelligence Surveillance Court
    a secret federal court created in 1978 by the Foreign Intelligence Surveillance Act; responsible for authorizing wiretaps and other forms of electronic surveillance and for authorizing searches of suspected spies and terrorists by the Department of Justice or United States intelligence agencies
  4874. foreign legion
    a military unit composed of foreign volunteers who serve the state
  4875. foreign mission
    a permanent diplomatic mission headed by a minister
  4876. Foreign Office
    the government department in charge of foreign relations
  4877. Foreign Service
    the part of the State Department that supplies diplomats for the United States embassies and consulates around the world
  4878. foreign terrorist organization
    a political movement that uses terror as a weapon to achieve its goals
  4879. forest
    a large, densely wooded area filled with trees and plants
  4880. forestry
    the science of developing and caring for wooded areas
  4881. Forficula
    type genus of Forficulidae
  4882. Forficulidae
    typical earwigs
  4883. form
    a perceptual structure
  4884. form class
    one of the traditional categories of words intended to reflect their functions in a grammatical context
  4885. form division
    an artificial taxonomic category for organisms of which the true relationships are obscure
  4886. form family
    (biology) an artificial taxonomic category for organisms of which the true relationships are obscure
  4887. form genus
    an artificial taxonomic category established on the basis of morphological resemblance for organisms of obscure true relationships especially fossil forms
  4888. form genus Rhizoctinia
    form genus of imperfect fungi some species of which are now placed in genera Pellicularia and Corticium because their perfect stages have been found
  4889. form of government
    the members of a social organization who are in power
  4890. formation
    the act of establishing or creating something
  4891. Former Armed Forces
    a terrorist organization that seeks to overthrow the government dominated by Tutsi and to institute Hutu control again
  4892. Formica
    any of various plastic laminates containing melamine
  4893. Formicariidae
    antbirds
  4894. Formicarius
    type genus of the Formicariidae
  4895. Formicidae
    ants
  4896. Fortunella
    small genus of shrubs native to south China producing small ovoid fruits resembling oranges: includes kumquats
  4897. forum
    a public facility to meet for open discussion
  4898. Fossa
    monotypic genus of Madagascar civets closely related to palm civets
  4899. foster family
    the family of a fosterling
  4900. foster home
    a household in which an orphaned or delinquent child is placed (usually by a social-service agency)
  4901. Fothergilla
    small genus of deciduous shrubs of the southeastern United States
  4902. foundation
    the basis on which something is grounded
  4903. Fouquieria
    resinous succulent trees or shrubs of desert and semidesert regions of southwestern United States that are leafless most of the year
  4904. Fouquieriaceae
    small family of spiny shrubs or trees of southwestern United States
  4905. Four Hundred
    the exclusive social set of a city
  4906. four-o'clock family
    a family of flowering plants of the order Caryophyllales
  4907. foursome
    four people considered as a unit
  4908. Fourth Council of Constantinople
    the council in 869 that condemned Photius who had become the patriarch of Constantinople without approval from the Vatican, thereby precipitating the schism between the eastern and western churches
  4909. fourth estate
    the press, including journalists, newspaper writers, photographers
  4910. Fourth Lateran Council
    the Lateran Council in 1215 was the most important council of the Middle Ages; issued a creed against Albigensianism, published reformatory decrees, promulgated the doctrine of transubstantiation, and clarified church doctrine on the Trinity and Incarnation
  4911. foxglove family
    a family of dicotyledonous plants of the order Polemoniales
  4912. FPS
    an agency in the General Services Administration that is a security organization to provide a safe environment where Federal agencies can conduct their business
  4913. Fragaria
    strawberries
  4914. franchise
    a statutory right or privilege granted by a government
  4915. Franciscan order
    a Roman Catholic order founded by Saint Francis of Assisi in the 13th century
  4916. Francisella tularensis
    the type species of the genus Francisella and the causal agent of tularemia in humans; can be used as a bioweapon
  4917. Francoa
    perennial evergreen herbs with white or pink flowers; Chile
  4918. Frankliniella
    tobacco thrips
  4919. Frasera
    genus of North American herbs: columbo
  4920. frat
    a social club for male undergraduates
  4921. Fratercula
    puffins
  4922. fraternity
    a social club for male undergraduates
  4923. Fraxinus
    ash
  4924. Freddie Mac
    a corporation authorized by Congress to provide a secondary market for residential mortgages
  4925. free
    able to act at will
  4926. free enterprise
    an economy relying on market forces to allocate resources
  4927. Free French
    a French movement during World War II that was organized in London by Charles de Gaulle to fight for the liberation of France from German control and for the restoration of the republic
  4928. free people
    people who are free
  4929. Free Soil Party
    a former political party in the United States
  4930. Free World
    anti-communist countries collectively
  4931. Freedom Party
    the most popular and feared Islamic extremist group in central Asia; advocates `pure' Islam and the creation of a worldwide Islamic state
  4932. Freemasonry
    Freemasons collectively
  4933. Fregata
    type genus of the Fregatidae
  4934. Fregatidae
    frigate birds
  4935. Fremontia
    flannelbush
  4936. Fremontodendron
    flannelbush
  4937. French
    of or pertaining to France or the people of France
  4938. French Academy
    an honorary group of French writers and thinkers supported by the French government
  4939. French Foreign Legion
    a former foreign legion in the French army that was used for military duties outside of France
  4940. French Foreign Office
    the French department in charge of foreign affairs
  4941. French people
    the people of France
  4942. frequency band
    a band of adjacent radio frequencies
  4943. freshman class
    the first class in college or high school
  4944. friendly
    characteristic of or befitting an ally
  4945. fringe
    an ornamental border of short lengths of hanging threads
  4946. Fringilla
    type genus of the Fringillidae: chaffinch, brambling
  4947. Fringillidae
    finches: goldfinches
  4948. Frisian
    of or relating to the people or culture or language of Friesland or Frisia
  4949. Fritillaria
    fritillary
  4950. Froelichia
    genus of erect or procumbent herbs of the Americas having spikes of woolly white flowers: cottonweed
  4951. frog's-bit family
    simple nearly stemless freshwater aquatic plants
  4952. frogbit family
    simple nearly stemless freshwater aquatic plants
  4953. front
    the side that is forward or prominent
  4954. frontier settlement
    a settlement on the frontier of civilization
  4955. FRS
    the central bank of the United States
  4956. FSB
    a federally chartered savings bank
  4957. FTC
    an independent agency of the United States federal government that maintains fair and free competition; enforces federal antitrust laws; educates the public about identity theft
  4958. FTO
    a political movement that uses terror as a weapon to achieve its goals
  4959. Fucaceae
    small family of brown algae: gulfweeds; rockweeds
  4960. Fucales
    coextensive with the family Fucaceae
  4961. Fuerzas Armadas Revolucionarios de Colombia
    a powerful and wealthy terrorist organization formed in 1957 as the guerilla arm of the Colombian communist party; opposed to the United States; has strong ties to drug dealers
  4962. Fulgoridae
    plant hoppers: lantern flies
  4963. Fulica
    coots
  4964. full complement
    number needed to make up a whole force
  4965. full house
    a poker hand with 3 of a kind and a pair
  4966. full service bank
    a financial institution that accepts demand deposits and makes loans and provides other services for the public
  4967. Fulmarus
    fulmars
  4968. Fumaria
    annual herbs whose flowers have only one petal spurred at the base
  4969. Fumaria sempervirens
    glaucous herb of northeastern United States and Canada having loose racemes of yellow-tipped pink flowers; sometimes placed in genus Fumaria
  4970. Fumariaceae
    erect or climbing herbs of the northern hemisphere and southern Africa: bleeding heart; Dutchman's breeches; fumitory; squirrel corn
  4971. fumeroot
    delicate European herb with greyish leaves and spikes of purplish flowers; formerly used medicinally
  4972. fumewort
    delicate European herb with greyish leaves and spikes of purplish flowers; formerly used medicinally
  4973. fumitory family
    erect or climbing herbs of the northern hemisphere and southern Africa: bleeding heart; Dutchman's breeches; fumitory; squirrel corn
  4974. function
    what something is used for
  4975. fund
    a reserve of money set aside for some purpose
  4976. Fundulus
    killifish
  4977. funeral pyre
    wood heaped for burning a dead body as a funeral rite
  4978. Fungi
    the taxonomic kingdom including yeast, molds, smuts, mushrooms, and toadstools; distinct from the green plants
  4979. Fungi imperfecti
    large and heterogeneous form division of fungi comprising forms for which no sexually reproductive stage is known
  4980. Fungia
    a genus comprising the usual mushroom corals
  4981. fungus family
    includes lichen families
  4982. fungus genus
    includes lichen genera
  4983. fungus kingdom
    the taxonomic kingdom including yeast, molds, smuts, mushrooms, and toadstools; distinct from the green plants
  4984. fungus order
    the order of fungi
  4985. funicular
    relating to or operated by a cable
  4986. funicular railway
    a railway up the side of a mountain pulled by a moving cable and having counterbalancing ascending and descending cars
  4987. Funka
    robust east Asian clump-forming perennial herbs having racemose flowers: plantain lilies; sometimes placed in family Hostaceae
  4988. Funkaceae
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Hosta
  4989. Fuqra
    an Islamic terrorist group organized in the 1980s
  4990. Furnariidae
    e.g. ovenbirds
  4991. Furnarius
    type genus of the family Furnariidae: ovenbirds
  4992. furniture company
    a company that sells furniture
  4993. Fusanus
    quandong trees
  4994. Fuscoboletinus
    a genus of fungi belonging to the family Boletaceae
  4995. future
    the time yet to come
  4996. future perfect
    a perfective tense used to describe action that will be completed in the future
  4997. future perfect tense
    a perfective tense used to describe action that will be completed in the future
  4998. future progressive
    a progressive tense used to express action that will be on-going in the future
  4999. future progressive tense
    a progressive tense used to express action that will be on-going in the future
  5000. future tense
    a verb tense that expresses actions or states in the future
  5001. futurism
    the position that the meaning of life should be sought in the future
  5002. FWS
    an agency in the Department of the Interior that conserves and protects fish and wildlife and their habitats; assesses the environmental impact of pesticides and nuclear power site and hydroelectric dams and thermal pollution
  5003. GAAP
    a collection of rules and procedures and conventions that define accepted accounting practice; includes broad guidelines as well as detailed procedures
  5004. Gadidae
    large family of important mostly marine food fishes
  5005. Gadiformes
    cods, haddocks, grenadiers
  5006. Gadus
    type genus of the Gadidae: the typical codfishes
  5007. gaggle
    a flock of geese
  5008. galaxy
    a collection of star systems
  5009. Galbulidae
    jacamars
  5010. Galega
    small genus of Eurasian herbs: goat's rue
  5011. Galeocerdo
    tiger sharks
  5012. Galeopsis
    erect annual European herbs
  5013. Galeorhinus
    a genus of Carcharhinidae
  5014. Galium
    annual or perennial herbs: bedstraw; cleavers
  5015. Galleria
    a genus of Pyralidae
  5016. gallery
    a porch along the outside of a building
  5017. Gallicanism
    a religious movement originating among the French Roman Catholic clergy that favored the restriction of papal control and the achievement by each nation of individual administrative autonomy of the church
  5018. Galliformes
    pheasants
  5019. gallimaufry
    a motley assortment of things
  5020. Gallinago
    snipes
  5021. Gallinula
    gallinules
  5022. Gallirallus
    rails of New Zealand
  5023. Gallus
    common domestic birds and related forms
  5024. gam
    a herd of whales
  5025. Gambelia
    leopard lizards
  5026. Gambusia
    mosquitofish
  5027. gamelan
    a traditional Indonesian ensemble typically including many tuned percussion instruments including bamboo xylophones and wooden or bronze chimes and gongs
  5028. gang
    an association of criminals
  5029. gang up
    act as an organized group
  5030. gangdom
    underworld organizations
  5031. gangland
    underworld organizations
  5032. Ganoidei
    a group of mostly extinct primitive bony fishes characterized by armor-like bony scales
  5033. GAO
    an independent nonpartisan federal agency that acts as the investigative arm of Congress making the executive branch accountable to Congress and the government accountable to citizens of the United States
  5034. Garcinia
    evergreen trees and shrubs: mangosteens
  5035. garden
    a plot of ground where plants are cultivated
  5036. garden party
    a party of people assembled for social interaction out of doors
  5037. garland
    a circular band of flowers or other foliage
  5038. garment industry
    makers and sellers of fashionable clothing
  5039. garrison
    a fortified military post where troops are stationed
  5040. Garrulinae
    subfamily of the crow family: jays
  5041. Garrulus
    type genus of the Garrulinae: Old World jays
  5042. gas company
    a public utility that provides gas
  5043. gas line
    a pipeline used to transport natural gas
  5044. gas service
    a public utility that provides gas
  5045. Gasteromycetes
    fungi in which the hymenium is enclosed until after spores have matured: puffballs; earth stars; stinkhorn fungi
  5046. Gasterophilidae
    horse botflies
  5047. Gasterophilus
    type genus of the Gasterophilidae: horse botflies
  5048. Gasteropoda
    snails and slugs and their relatives
  5049. Gasterosteidae
    sticklebacks
  5050. Gasterosteus
    type genus of the family Gasterosteidae
  5051. Gastroboletus
    a genus of fungi belonging to the family Secotiaceae
  5052. Gastrocybe
    a genus of fungi of the family Secotiaceae
  5053. Gastromycetes
    fungi in which the hymenium is enclosed until after spores have matured: puffballs; earth stars; stinkhorn fungi
  5054. Gastrophryne
    primarily tropical narrow-mouthed toads
  5055. Gastropoda
    snails and slugs and their relatives
  5056. gathering
    the act of gathering something
  5057. GATT
    a United Nations agency created by a multinational treaty to promote trade by the reduction of tariffs and import quotas
  5058. gaudy
    tastelessly showy
  5059. Gaultheria
    widely distributed genus of creeping or upright evergreen shrubs
  5060. Gavia
    type genus of the Gavidae: loons
  5061. Gavialidae
    gavials
  5062. Gavialis
    type genus of the Gavialidae
  5063. Gavidae
    loon family
  5064. Gaviiformes
    large aquatic birds: loons and some extinct forms
  5065. Gaylussacia
    deciduous or evergreen shrubs of North America: black huckleberries
  5066. Gazella
    typical gazelles
  5067. Geastraceae
    a family of earthstar fungi belonging to the order Lycoperdales
  5068. Geastrum
    type genus of Geastraceae
  5069. Gekkonidae
    geckos
  5070. Gelechia
    type genus of the Gelechiidae: pink bollworms
  5071. Gelechiidae
    important economic pests
  5072. Gelsemium
    evergreen twining shrubs of Americas and southeastern Asia
  5073. Gempylidae
    snake mackerels
  5074. Gempylus
    type genus of the Gempylidae
  5075. gen X
    the generation following the baby boom
  5076. gendarmerie
    French police force
  5077. gendarmery
    French police force
  5078. gender
    properties that distinguish organisms on the basis of sex
  5079. gene
    part of DNA controlling physical characteristics and growth
  5080. genealogy
    the study or investigation of ancestry and family history
  5081. General Agreement on Tariffs and Trade
    a United Nations agency created by a multinational treaty to promote trade by the reduction of tariffs and import quotas
  5082. general assembly
    persons who make or amend or repeal laws
  5083. General Baptist
    group of Baptist congregations believing the teachings of the Dutch theologian Jacobus Arminius (who opposed the doctrine of strict predestination of the Calvinists)
  5084. general delivery
    the part of a post office that handles mail for persons who call for it
  5085. General Security Services
    the Israeli domestic counterintelligence and internal security agency
  5086. General Services Administration
    a central management agency that sets Federal policy for Federal procurement and real property management and information resources management
  5087. general staff
    military officers assigned to assist a senior officer in planning military policy
  5088. generally accepted accounting principles
    a collection of rules and procedures and conventions that define accepted accounting practice; includes broad guidelines as well as detailed procedures
  5089. generation
    group of genetically related organisms in a line of descent
  5090. generation X
    the generation following the baby boom
  5091. genetic code
    the ordering of nucleotides in DNA molecules that carries the genetic information in living cells
  5092. genetic marker
    a specific gene that produces a recognizable trait and can be used in family or population studies
  5093. Genetta
    genets
  5094. Genevan
    a native or resident of Geneva
  5095. Genista
    chiefly deciduous shrubs or small trees of Mediterranean area and western Asia: broom
  5096. genitive
    serving to express or indicate possession
  5097. genitive case
    the case expressing ownership
  5098. genome
    the full DNA sequence of an organism
  5099. genotype
    the particular alleles present in an organism
  5100. gens
    family based on male descent
  5101. gentian family
    chiefly herbaceous plants with showy flowers
  5102. Gentiana
    type genus of the Gentianaceae
  5103. Gentianaceae
    chiefly herbaceous plants with showy flowers
  5104. Gentianales
    an order of dicotyledonous plants having gamopetalous flowers; Gentianaceae; Apocynaceae; Asclepiadaceae; Loganiaceae; Oleaceae; Salvadoraceae
  5105. Gentianella
    genus of herbs with flowers that resemble gentian
  5106. Gentianopsis
    genus of fringed gentians
  5107. gentlefolk
    people of good family and breeding and high social status
  5108. gentry
    the most powerful members of a society
  5109. genus
    taxonomic group containing one or more species
  5110. genus Abelia
    chiefly east Asian shrubs
  5111. genus Abelmoschus
    genus of tropical coarse herbs having large lobed leaves and often yellow flowers
  5112. genus Abies
    true firs
  5113. genus Abramis
    European fishes
  5114. genus Abrocoma
    abrocomes
  5115. genus Abronia
    genus of western North American herbs having showy flowers
  5116. genus Abudefduf
    damsel fishes
  5117. genus Abutilon
    herbs or shrubs or small trees: flowering maple
  5118. genus Acacia
    large genus of shrubs and trees and some woody vines of Central and South America, Africa, Australia and Polynesia: wattle; mimosa
  5119. genus Acalypha
    a genus of herbs and shrubs belonging to the family Euphorbiaceae
  5120. genus Acanthisitta
    a genus of Xenicidae
  5121. genus Acanthocereus
    mostly trailing cacti having nocturnal white flowers
  5122. genus Acanthocybium
    wahoos
  5123. genus Acanthophis
    Australian elapid snakes
  5124. genus Acanthoscelides
    a genus of Bruchidae
  5125. genus Acanthurus
    type genus of the Acanthuridae: doctorfishes
  5126. genus Acanthus
    bear's breeches
  5127. genus Accipiter
    type genus of the family Accipitridae
  5128. genus Acer
    type genus of the Aceraceae
  5129. genus Acherontia
    death's-head moth
  5130. genus Acheta
    common house and field crickets
  5131. genus Achillea
    perennial often aromatic and sometimes mat-forming herbs of north temperate regions: yarrow; milfoil
  5132. genus Achimenes
    genus of tropical perennial American herbs
  5133. genus Achoerodus
    a genus of Labridae
  5134. genus Achras
    tropical trees having papery leaves and large fruit
  5135. genus Acinonyx
    cheetahs
  5136. genus Acinos
    plants closely allied to the genera Satureja and Calamintha
  5137. genus Acipenser
    type genus of the Acipenseridae: sturgeons
  5138. genus Acocanthera
    small genus of trees and shrubs containing strongly toxic cardiac glycosides; Arabia to Africa
  5139. genus Acokanthera
    small genus of trees and shrubs containing strongly toxic cardiac glycosides; Arabia to Africa
  5140. genus Aconitum
    genus of poisonous plants of temperate regions of northern hemisphere with a vaulted and enlarged petal
  5141. genus Acorus
    sweet flags; sometimes placed in subfamily Acoraceae
  5142. genus Acridotheres
    mynas
  5143. genus Acris
    cricket frogs
  5144. genus Acrobates
    a genus of Phalangeridae
  5145. genus Acrocarpus
    small genus of trees of Indonesia and Malaysia
  5146. genus Acrocephalus
    a genus of Sylviidae
  5147. genus Acroclinium
    genus of herbs and shrubs of Australia and South Africa: everlasting flower; most species usually placed in genus Helipterum
  5148. genus Acrocomia
    Central and South American feather palms
  5149. genus Acropora
    coelenterate genus of order Madreporaria, including staghorn corals
  5150. genus Acrostichum
    in some classification systems placed in family Polypodiaceae
  5151. genus Actaea
    baneberry
  5152. genus Actias
    luna moths
  5153. genus Actinia
    a genus of sea anemone common in rock pools
  5154. genus Actinidia
    small Asiatic woody vine bearing many-seeded fruit
  5155. genus Actiniopteris
    terrestrial ferns of tropical Asia and Africa
  5156. genus Actinomeris
    used in some classification systems for plants now included in genus Verbesina
  5157. genus Actinomyces
    type genus of the family Actinomycetaceae
  5158. genus Actitis
    a genus of Scolopacidae
  5159. genus Adalia
    genus of ladybugs
  5160. genus Adansonia
    baobab; cream-of-tartar tree
  5161. genus Addax
    genus of antelopes of northern African deserts
  5162. genus Adelges
    type genus of the Adelgidae: plant lice
  5163. genus Adenanthera
    small genus of trees of tropical Asia and Pacific areas
  5164. genus Adenium
    one species: succulent shrub or tree of tropical Africa and Arabia
  5165. genus Adenota
    African antelopes: puku
  5166. genus Adiantum
    cosmopolitan genus of ferns: maidenhair ferns
  5167. genus Adlumia
    one species: climbing fumitory
  5168. genus Adonis
    annual or perennial herbs
  5169. genus Aedes
    yellow-fever mosquitos
  5170. genus Aegiceras
    a genus of herbs of the family Verbenaceae
  5171. genus Aegilops
    goat grass
  5172. genus Aegypius
    a genus of Accipitridae
  5173. genus Aegyptopithecus
    a genus of Hominoidea
  5174. genus Aeonium
    a genus of plants of the family Crassulaceae
  5175. genus Aepyceros
    African antelopes: impalas
  5176. genus Aepyornis
    type genus of the Aepyornidae: elephant birds
  5177. genus Aerides
    epiphytic orchids of tropical Asia having stiff leaves and fragrant white flowers in arching racemes
  5178. genus Aerobacter
    aerobic bacteria widely distributed in nature
  5179. genus Aeschynanthus
    large genus of East Indian ornamental woody epiphytic plants
  5180. genus Aesculus
    deciduous trees or some shrubs of North America
  5181. genus Aethionema
    Old World genus of the family Cruciferae
  5182. genus Aethusa
    fool's parsley
  5183. genus Aetobatus
    a genus of Myliobatidae
  5184. genus Aframomum
    an African genus of plants of the family Zingiberaceae
  5185. genus Afrocarpus
    dioecious evergreen trees or shrubs
  5186. genus Afropavo
    Congo peafowl
  5187. genus Agalinis
    semiparasitic herb with purple or white or pink flowers
  5188. genus Agama
    type genus of the Agamidae
  5189. genus Agapanthus
    small genus of South African evergreen or deciduous plants
  5190. genus Agapornis
    a genus of Psittacidae
  5191. genus Agaricus
    type genus of Agaricaceae
  5192. genus Agastache
    giant hyssop; Mexican hyssop
  5193. genus Agathis
    kauri pine
  5194. genus Agave
    type genus of the Agavaceae
  5195. genus Agdestis
    a genus with one species that is a rapidly growing climbing vine with tuberous roots; grown in hot climates
  5196. genus Agelaius
    red-winged blackbirds
  5197. genus Ageratina
    annual to perennial herbs or shrubs of eastern United States and Central and South America
  5198. genus Ageratum
    genus of tropical American herbs grown for their flowers
  5199. genus Agkistrodon
    copperheads
  5200. genus Aglaomorpha
    epiphytic ferns of tropical Asia
  5201. genus Aglaonema
    climbing herbs of southeastern Asia having thick fleshy oblong leaves and naked unisexual flowers: Chinese evergreen
  5202. genus Agonus
    type genus of the Agonidae
  5203. genus Agrimonia
    genus of herbs found chiefly in north temperate regions having pinnate leaves and yellow flowers followed by bristly fruit
  5204. genus Agriocharis
    a genus of birds of the family Meleagrididae including the ocellated turkey
  5205. genus Agrobacterium
    small motile bacterial rods that can reduce nitrates and cause galls on plant stems
  5206. genus Agropyron
    perennial grasses of temperate and cool regions: wheatgrass
  5207. genus Agrostemma
    a caryophylloid dicot genus including corn cockles
  5208. genus Agrostis
    annual or perennial grasses cosmopolitan in northern hemisphere: bent grass (so named from `bent' meaning an area of unfenced grassland)
  5209. genus Ailanthus
    small genus of east Asian and Chinese trees with odd-pinnate leaves and long twisted samaras
  5210. genus Ailuropoda
    only the giant panda: in some classifications considered a genus of the separate family Ailuropodidae
  5211. genus Ailurus
    lesser pandas
  5212. genus Aix
    wood duck and mandarin duck
  5213. genus Ajaia
    a genus of Platalea
  5214. genus Ajuga
    bugle
  5215. genus Alauda
    type genus of the Alaudidae: skylarks
  5216. genus Albatrellus
    a genus of fungi belonging to the family Polyporaceae
  5217. genus Albizia
    large genus of unarmed trees and shrubs of Old World tropics
  5218. genus Albizzia
    large genus of unarmed trees and shrubs of Old World tropics
  5219. genus Albuca
    genus of bulbous plants of South Africa
  5220. genus Albugo
    type genus of the Albuginaceae; fungi causing white rusts
  5221. genus Albula
    type and sole genus of the family Albulidae
  5222. genus Alca
    type genus of the Alcidae comprising solely the razorbill
  5223. genus Alcea
    genus of erect herbs of the Middle East having showy flowers: hollyhocks; in some classification systems synonymous with genus Althaea
  5224. genus Alcedo
    type genus of the Alcedinidae
  5225. genus Alcelaphus
    African antelopes: hartebeests
  5226. genus Alces
    elk or moose
  5227. genus Aldrovanda
    one species: waterwheel plant
  5228. genus Alectis
    a genus of Carangidae
  5229. genus Alectoria
    lichens having dark brown erect or pendulous much-branched cylindrical thallus
  5230. genus Alectoris
    a genus of Perdicidae
  5231. genus Alectura
    brush turkeys
  5232. genus Alepisaurus
    slender scaleless predaceous tropical deep-sea fishes
  5233. genus Aletris
    small genus of bitter-rooted herbs of eastern North America and Asia; sometimes placed in family Melanthiaceae
  5234. genus Aleurites
    candlenut
  5235. genus Aleyrodes
    type genus of the Aleyrodidae
  5236. genus Algeripithecus
    an extinct genus of Hominoidea
  5237. genus Alisma
    small genus of aquatic or semiaquatic plants
  5238. genus Allamanda
    genus of tropical American woody vines
  5239. genus Alliaria
    a genus of herbs of the family Cruciferae
  5240. genus Alligator
    type genus of the Alligatoridae
  5241. genus Allionia
    small genus of chiefly American herbs
  5242. genus Allium
    large genus of perennial and biennial pungent bulbous plants: garlic; leek; onion; chive; sometimes placed in family Alliaceae as the type genus
  5243. genus Allosaurus
    carnivorous dinosaur of North America; late Jurassic
  5244. genus Alnus
    alders
  5245. genus Alocasia
    tropical Asiatic herbs similar to Colocasia but distinguished by a large sterile spadix
  5246. genus Aloe
    large genus of chiefly African liliaceous plants
  5247. genus Alopecurus
    annual or perennial grasses including decorative and meadow species as well as notorious agricultural weeds
  5248. genus Alopex
    arctic foxes
  5249. genus Alopius
    type genus of the family Alopiidae
  5250. genus Alosa
    shad
  5251. genus Alouatta
    howler monkeys
  5252. genus Alpinia
    perennial rhizomatous herbs of Asia and Australia and Polynesia having ginger-scented rhizomes
  5253. genus Alsobia
    tropical American herbs sometimes included in genus Episcia
  5254. genus Alsophila
    geometrid moths
  5255. genus Alstonia
    genus of evergreen trees or shrubs with white funnel-shaped flowers and milky sap; tropical Africa to southeastern Asia and Polynesia
  5256. genus Alstroemeria
    genus of showy South American herbs with leafy stems
  5257. genus Alternanthera
    genus of low herbs of tropical America and Australia
  5258. genus Althaea
    hollyhocks
  5259. genus Alyssum
    a genus of the family Cruciferae
  5260. genus Alytes
    midwife toads
  5261. genus Amanita
    genus of widely distributed agarics that have white spores and are poisonous with few exceptions
  5262. genus Amaranthus
    large widely distributed genus of chiefly coarse annual herbs
  5263. genus Amaryllis
    type genus of the Amaryllidaceae
  5264. genus Amauropelta
    epiphytic or terrestrial ferns of America and Africa and Polynesia
  5265. genus Amazona
    a genus of Psittacidae
  5266. genus Amberboa
    herbs of Mediterranean to central Asia cultivated for their flowers
  5267. genus Ambloplites
    a genus of Centrarchidae
  5268. genus Amblyrhynchus
    marine iguanas
  5269. genus Ambrosia
    comprising the ragweeds
  5270. genus Ambystoma
    type genus of the Ambystomatidae
  5271. genus Ameiurus
    type genus of the Ameiuridae: bullhead catfishes
  5272. genus Amelanchier
    North American deciduous trees or shrubs
  5273. genus Amia
    type genus of the Amiidae
  5274. genus Amianthum
    one species: fly poison
  5275. genus Ammobium
    small genus of Australian herbs grown for their flowers
  5276. genus Ammodytes
    type genus of the Ammodytidae
  5277. genus Ammotragus
    genus of wild sheep
  5278. genus Amoeba
    protozoan inhabiting moist soils or bottom vegetation in fresh or salt water
  5279. genus Amorpha
    American herbs or shrubs usually growing in dry sunny habitats on prairies and hillsides
  5280. genus Amorphophallus
    genus of large tropical east Asian cormous aroids: devil's tongue; snake palm
  5281. genus Amphibolips
    cynipid gall wasps, especially causing oak-apple galls
  5282. genus Amphicarpa
    very small genus of twining vines of North America and Asia: hog peanut
  5283. genus Amphicarpaea
    very small genus of twining vines of North America and Asia: hog peanut
  5284. genus Amphioxus
    type genus of the Amphioxidae
  5285. genus Amphiprion
    damsel fishes
  5286. genus Amphisbaena
    type genus of the Amphisbaenidae
  5287. genus Amphisbaenia
    type genus of the Amphisbaenidae
  5288. genus Amphiuma
    congo snakes
  5289. genus Amsinckia
    rough annual herbs of Europe and the Americas: fiddlenecks
  5290. genus Amsonia
    genus of herbs and subshrubs with milky juice and showy bluish flowers; Europe to Asia Minor to Japan and North America
  5291. genus Amygdalus
    used in former classifications for peach and almond trees which are now included in genus Prunus
  5292. genus Anabas
    the type genus of the family Anabantidae
  5293. genus Anabrus
    a genus of Tettigoniidae
  5294. genus Anacardium
    type genus of the Anacardiaceae: cashew
  5295. genus Anacyclus
    a Spanish pellitory
  5296. genus Anadenanthera
    2 species of tropical American shrubs or trees
  5297. genus Anagallis
    chiefly Old World herbs
  5298. genus Anagasta
    moth whose larvae are flour moths
  5299. genus Anagyris
    very small genus of shrubs of southern Europe having backward curving seed pods
  5300. genus Ananas
    a genus of tropical American plants have sword-shaped leaves and a fleshy compound fruits composed of the fruits of several flowers (such as pineapples)
  5301. genus Anaphalis
    a genus of herbs of north temperate regions having hoary leaves: pearly everlasting
  5302. genus Anarhichas
    type genus of the Anarhichadidae
  5303. genus Anas
    type genus of the Anatidae: freshwater ducks
  5304. genus Anasa
    squash bugs
  5305. genus Anastatica
    one species: rose of Jericho; resurrection plant
  5306. genus Anastomus
    openbills
  5307. genus Anatotitan
    genus of large duck-billed dinosaurs; late Cretaceous
  5308. genus Anchusa
    rough and hairy Old World herbs
  5309. genus Ancistrodon
    copperheads
  5310. genus Ancylus
    type genus of the family Ancylidae: river limpet
  5311. genus Andira
    small genus of evergreen trees of tropical America and western Africa
  5312. genus Andreaea
    brown or blackish Alpine mosses having a dehiscent capsule with 4 longitudinal slits
  5313. genus Andrena
    a solitary burrowing short-tongued bee
  5314. genus Andricus
    cynipid gall wasps, chiefly affecting oaks
  5315. genus Andromeda
    low-growing shrubs of northern regions of northern hemisphere
  5316. genus Andropogon
    tall annual or perennial grasses with spikelike racemes
  5317. genus Andryala
    a genus of hardy hairy latex-producing perennials of Mediterranean area
  5318. genus Aneides
    climbing salamanders
  5319. genus Anemia
    genus of terrestrial or lithophytic ferns having pinnatifid fronds; chiefly of tropical America
  5320. genus Anemone
    perennial herbs with tuberous roots and beautiful flowers
  5321. genus Anemonella
    one species: rue anemone
  5322. genus Anemopsis
    one species: yerba mansa
  5323. genus Anethum
    dill
  5324. genus Angelica
    biennial or perennial herbs of the northern hemisphere
  5325. genus Angiopteris
    one species: tree fern
  5326. genus Angraecum
    genus of tropical Old World epiphytic orchids with showy flowers sometimes grotesque
  5327. genus Angrecum
    genus of tropical Old World epiphytic orchids with showy flowers sometimes grotesque
  5328. genus Anguilla
    type genus of the Anguillidae: eels
  5329. genus Anguillula
    a genus of Cephalobidae
  5330. genus Anguis
    type genus of the Anguidae: blindworms
  5331. genus Anhima
    type genus of the Anhimidae; horned screamers
  5332. genus Anhinga
    type genus of the Anhingidae
  5333. genus Anigozanthus
    genus of monocotyledonous plants with curious woolly flowers on sturdy stems above a fan of sword-shaped leaves; includes kangaroo's paw and Australian sword lily; sometimes placed in family Amaryllidaceae
  5334. genus Anisotremus
    a genus of Haemulidae
  5335. genus Ankylosaurus
    armored herbivorous dinosaurs of the Cretaceous
  5336. genus Annona
    type genus of the Annonaceae
  5337. genus Anoa
    a genus of mammals of the family Bovidae
  5338. genus Anodonta
    thin-shelled freshwater mussels
  5339. genus Anoectochilus
    genus of delicate Asiatic orchids
  5340. genus Anogramma
    a genus of ferns belonging to the family Pteridaceae
  5341. genus Anolis
    New World chameleons
  5342. genus Anomala
    genus of beetles whose grubs feed mainly on roots of plants
  5343. genus Anomalops
    type genus of the family Anomalopidae
  5344. genus Anomalopteryx
    small moas
  5345. genus Anomia
    type genus of the family Anomiidae: saddle oysters
  5346. genus Anopheles
    malaria mosquitoes
  5347. genus Anser
    typical geese
  5348. genus Antedon
    a genus of echinoderms of the family Antedonidae
  5349. genus Antennaria
    small woolly perennial herbs having small whitish discoid flowers surrounded by a ring of club-shaped bristles
  5350. genus Anthemis
    dog fennel
  5351. genus Antheraea
    large moths whose larvae produce silk of high quality
  5352. genus Anthericum
    genus of Old World perennial herbs
  5353. genus Antheropeas
    small genus of North American herbs often included in genus Eriophyllum
  5354. genus Anthidium
    potter bees
  5355. genus Anthoceros
    hornworts
  5356. genus Anthonomus
    weevils destructive of cultivated plants
  5357. genus Anthriscus
    chervil: of Europe, North Africa and Asia
  5358. genus Anthurium
    large genus of often epiphytic evergreen tropical American plants often cultivated as houseplants
  5359. genus Anthus
    pipits
  5360. genus Anthyllis
    genus of Mediterranean herbs and shrubs
  5361. genus Antidorcas
    springboks
  5362. genus Antigonia
    a genus of fish in the family Caproidae
  5363. genus Antilocapra
    type and sole genus of the Antilocapridae comprising one species
  5364. genus Antilope
    blackbucks
  5365. genus Antirrhinum
    a genus of herbs of the family Scrophulariaceae with brightly colored irregular flowers
  5366. genus Antrodemus
    carnivorous dinosaur of North America; late Jurassic
  5367. genus Antrozous
    a genus of Vespertilionidae
  5368. genus Aotus
    douroucoulis
  5369. genus Apatosaurus
    large quadrupedal herbivorous dinosaurs with very long neck and tail; late Jurassic
  5370. genus Apatura
    large Old World butterflies
  5371. genus Aphis
    type genus of the Aphididae: injurious to fruit trees and vegetables
  5372. genus Aphriza
    a genus of Scolopacidae
  5373. genus Aphrophora
    a genus of Cercopidae
  5374. genus Aphyllanthes
    one species
  5375. genus Apios
    twining perennial North American plants
  5376. genus Apis
    type genus of the Apidae: honeybees
  5377. genus Apium
    celery
  5378. genus Aplectrum
    a monocotyledonous genus of the family Orchidaceae
  5379. genus Aplodontia
    type genus of the Aplodontiidae: comprising the mountain beavers
  5380. genus Aplysia
    type genus of the family Aplysiidae
  5381. genus Apocynum
    perennial herbs with small pink or white flowers
  5382. genus Apodemus
    Old World field mice
  5383. genus Apogon
    type genus of the Apogonidae
  5384. genus Aporocactus
    small genus of epiphytic cacti of Mexico
  5385. genus Appendicularia
    a genus of chordates in the class Larvacea
  5386. genus Aptenodytes
    large penguins
  5387. genus Apteryx
    type genus of the Apterygidae: kiwis
  5388. genus Apus
    type genus
  5389. genus Aquila
    a genus of Accipitridae
  5390. genus Aquilegia
    columbine
  5391. genus Ara
    macaws
  5392. genus Arabidopsis
    a genus of the mustard family having white or yellow or purplish flowers; closely related to genus Arabis
  5393. genus Arabis
    annual to perennial woody herbs of temperate North America, Europe and Asia: rockcress
  5394. genus Arachis
    a genus of plants with pods that ripen underground
  5395. genus Aralia
    type genus of Araliaceae
  5396. genus Aramus
    genus of large brown long-billed wading birds found in warm swampy regions of the western hemisphere: courlan; limpkin
  5397. genus Aranea
    a genus of orb-weaving spiders including common garden spiders and barn spiders
  5398. genus Araneus
    a genus of orb-weaving spiders including common garden spiders and barn spiders
  5399. genus Araucaria
    a genus of the araucaria family
  5400. genus Araujia
    small genus of South American evergreen vines
  5401. genus Arbutus
    large evergreen shrubs and trees of southern Europe and western North America: strawberry tree; madrona
  5402. genus Arca
    type genus of the family Arcidae: ark shells and blood clams
  5403. genus Arcella
    type genus of the Arcellidae
  5404. genus Arceuthobium
    genus of chiefly American plants parasitic on conifers
  5405. genus Archaeopteryx
    a genus of fossil birds
  5406. genus Archaeornis
    a genus of fossil bird
  5407. genus Archeopteryx
    a genus of fossil birds
  5408. genus Archidiskidon
    a genus of Elephantidae
  5409. genus Archilochus
    a genus of Trochilidae
  5410. genus Architeuthis
    giant squid
  5411. genus Archosargus
    a genus of Sparidae
  5412. genus Arctictis
    binturongs
  5413. genus Arctium
    burdock
  5414. genus Arctocebus
    a genus of Lorisidae
  5415. genus Arctocephalus
    fur seals
  5416. genus Arctonyx
    a genus of Mustelidae
  5417. genus Arctostaphylos
    bearberry; manzanita
  5418. genus Arctotis
    herbs and subshrubs: African daisy
  5419. genus Ardea
    type genus of the Ardeidae: large New and Old World herons
  5420. genus Ardisia
    tropical evergreen subshrubs (some climbers) to trees of Asia and Australasia to Americas
  5421. genus Areca
    a monocotyledonous genus of palm trees
  5422. genus Arenaria
    sandworts
  5423. genus Arenga
    a genus of tropical Asian and Malaysian palm trees
  5424. genus Arethusa
    genus of bog orchids of North America and Japan
  5425. genus Argemone
    prickly poppies
  5426. genus Argentina
    type genus of the Argentinidae: argentines
  5427. genus Argiope
    the type genus of Argiopidae
  5428. genus Argonauta
    type genus of the family Argonautidae: paper nautilus
  5429. genus Argusianus
    argus pheasants
  5430. genus Argynnis
    fritillaries
  5431. genus Argyranthemum
    comprises plants often included in the genus Chrysanthemum
  5432. genus Argyreia
    woody climbers of tropical Asia to Australia
  5433. genus Argyrotaenia
    orange tortrix
  5434. genus Argyroxiphium
    small genus of Hawaiian spreading and rosette-forming shrubs
  5435. genus Arilus
    a genus of Reduviidae
  5436. genus Ariocarpus
    slow-growing geophytic cacti
  5437. genus Ariomma
    a genus of Stromateidae
  5438. genus Arisaema
    tuberous or rhizomatous herbaceous perennials
  5439. genus Arisarum
    tuberous or rhizomatous perennial herbs
  5440. genus Aristolochia
    birthworts; Dutchman's-pipe
  5441. genus Aristotelia
    small genus of shrubs or small trees of Australia and New Zealand and western South America
  5442. genus Arius
    type genus of the Ariidae: sea catfishes
  5443. genus Arizona
    glossy snake
  5444. genus Armadillidium
    type genus of the Armadillidiidae
  5445. genus Armeria
    shrubby or herbaceous low-growing evergreen perennials
  5446. genus Armillaria
    genus of edible mushrooms having white spores an annulus and blue juice; some are edible; some cause root rot
  5447. genus Armillariella
    a honey-colored diminutive form of genus Armillaria
  5448. genus Armoracia
    horseradish
  5449. genus Arnica
    large genus of herbs of north temperate and Arctic regions
  5450. genus Arnoseris
    lamb succory
  5451. genus Arrhenatherum
    oat grass
  5452. genus Artamus
    type genus of the Artamidae
  5453. genus Artemia
    fairy shrimp; brine shrimp
  5454. genus Artemisia
    usually aromatic shrubs or herbs of north temperate regions and South Africa and western South America: wormwood; sagebrush; mugwort; tarragon
  5455. genus Arthropteris
    tropical and subtropical Old World epiphytic or lithophytic ferns
  5456. genus Artocarpus
    evergreen Asiatic trees now grown through the tropics: breadfruit; jackfruit
  5457. genus Arum
    type genus of the Araceae: tuberous perennial herbs of Europe and Asia with usually heart-shaped leaves
  5458. genus Arundinaria
    North American bamboo
  5459. genus Arundo
    any of several coarse tall perennial grasses of most warm areas: reeds
  5460. genus Arvicola
    in some classifications considered synonymous with Microtus
  5461. genus Asarum
    wild ginger
  5462. genus Ascaphus
    type genus of the Ascaphidae
  5463. genus Ascaridia
    roundworm having a preanal sucker
  5464. genus Ascaris
    type genus of the family Ascaridae: roundworms with a three-lipped mouth
  5465. genus Asclepias
    genus of chiefly North American perennial herbs: silkweed
  5466. genus Ascophyllum
    brown algae distinguished by compressed or inflated branchlets along the axis
  5467. genus Asimina
    pawpaw
  5468. genus Asio
    a genus of European owls
  5469. genus Aspalathus
    genus of South African heathlike shrubs
  5470. genus Asparagus
    large genus of Old World perennial herbs with erect or spreading or climbing stems and small scalelike leaves and inconspicuous flowers; sometimes placed in family Asparagaceae
  5471. genus Aspergillus
    genus of common molds causing food spoilage and some pathogenic to plants and animals
  5472. genus Asperula
    woodruff
  5473. genus Asphodeline
    genus of rhizomatous perennial or biennial herbs with numerous sometimes fragrant flowers in long cylindrical racemes; Mediterranean region to Caucasus; sometimes placed in family Asphodelaceae
  5474. genus Asphodelus
    small genus of tall striking annuals or perennials with grasslike foliage and flowers in dense racemes or panicles; Mediterranean to Himalayas; sometimes placed in family Asphodelaceae
  5475. genus Aspidelaps
    African coral snakes
  5476. genus Aspidiotus
    a genus of Diaspididae
  5477. genus Aspidistra
    genus of eastern Asiatic herbs
  5478. genus Aspidophoroides
    alligatorfishes
  5479. genus Aspis
    horned vipers
  5480. genus Asplenium
    in some classification systems placed in family Polypodiaceae
  5481. genus Astacus
    type genus of the family Astacidae; Old World crayfish
  5482. genus Aster
    large genus of herbs widely cultivated for their daisylike flowers
  5483. genus Astilbe
    chiefly Asiatic perennials: spirea
  5484. genus Astragalus
    large genus of annual or perennial herbs or shrubs of north temperate regions; largest genus in the family Leguminosae
  5485. genus Astrantia
    a genus of Eurasian herbs of the family Umbelliferae with aromatic roots and palmate leaves and showy flowers
  5486. genus Astreus
    a genus of fungi belonging to the family Geastraceae
  5487. genus Astroloma
    evergreen shrubs of Australia and Tasmania
  5488. genus Astronium
    a genus of dicotyledonous plants of the family Anacardiaceae
  5489. genus Astrophyton
    includes many of the basket stars
  5490. genus Astropogon
    a genus of fish of the family Apogonidae
  5491. genus Ateles
    spider monkeys
  5492. genus Athene
    a genus of Strigidae
  5493. genus Atherinopsis
    a genus of Atherinidae
  5494. genus Atherurus
    a genus of Hystricidae
  5495. genus Athrotaxis
    a genus of gymnosperm
  5496. genus Athyrium
    temperate and tropical lady ferns
  5497. genus Atrichornis
    type genus of the Atrichornithidae
  5498. genus Atriplex
    orach; saltbush
  5499. genus Atropa
    belladonna
  5500. genus Attalea
    unarmed feather palms of central and northern South America
  5501. genus Atticus
    atlas moth
  5502. genus Aucuba
    hardy evergreen dioecious shrubs and small trees from Japan
  5503. genus Aulacorhyncus
    a genus of Ramphastidae
  5504. genus Aulostomus
    type genus of the Aulostomidae
  5505. genus Aureolaria
    small genus of North American herbs often root-parasitic and bearing golden-yellow flowers; sometimes placed in genus Gerardia
  5506. genus Auricularia
    type genus of the Auriculariaceae
  5507. genus Auriparus
    a genus of Paridae
  5508. genus Australopithecus
    extinct genus of African hominid
  5509. genus Austrocedrus
    one species; formerly included in genus Libocedrus
  5510. genus Austrotaxus
    a gymnosperm genus having one species: New Caledonian yew
  5511. genus Automeris
    io moth
  5512. genus Avahi
    a genus of Indriidae
  5513. genus Avena
    oats
  5514. genus Averrhoa
    trees native to East Indies having pinnate leaves: carambolas
  5515. genus Avicennia
    small genus of tropical shrubs or trees
  5516. genus Ayapana
    genus of tropical American herbs sometimes included in genus Eupatorium
  5517. genus Aythya
    canvasback; redhead; pochard; etc.
  5518. genus Azadirachta
    genus of large important East Indian trees: neem trees
  5519. genus Azolla
    a genus of fern sometimes placed in its own family Azollaceae
  5520. genus Babesia
    type genus of the family Babesiidae
  5521. genus Babyrousa
    a genus of Suidae
  5522. genus Baccharis
    shrubs of western hemisphere often having honey-scented flowers followed by silky thistlelike heads of tiny fruits; often used for erosion control
  5523. genus Bacillus
    type genus of the Bacillaceae
  5524. genus Bacteroides
    type genus of Bacteroidaceae
  5525. genus Baiomys
    pygmy mice
  5526. genus Bairdiella
    drumfish
  5527. genus Balaena
    type genus of the Balaenidae: Greenland whales
  5528. genus Balaeniceps
    type genus of the Balaenicipitidae: shoebills
  5529. genus Balaenoptera
    type genus of the Balaenopteridae
  5530. genus Balanus
    type genus of the family Balanidae
  5531. genus Balistes
    type genus of the Balistidae
  5532. genus Ballota
    perennial herbs or subshrubs of especially Mediterranean area: black horehound
  5533. genus Balsamorhiza
    genus of coarse western American herbs with large roots containing an aromatic balsam
  5534. genus Bambusa
    tall tender clumping bamboos
  5535. genus Bankia
    giant shipworms
  5536. genus Banksia
    important genus of Australian evergreen shrubs or trees with alternate leathery leaves and yellowish flowers
  5537. genus Baphia
    small genus of shrubs and lianas and trees of Africa and Madagascar
  5538. genus Baptisia
    genus of North American plants with showy flowers and an inflated pod
  5539. genus Barbarea
    biennial or perennial herbs of north temperate regions: winter cress
  5540. genus Barosaurus
    huge quadrupedal herbivorous dinosaur; late Jurassic
  5541. genus Bartle-Frere
    a living fossil or so-called `green dinosaur'
  5542. genus Bartramia
    a genus of Scolopacidae
  5543. genus Basiliscus
    a reptile genus of Iguanidae
  5544. genus Bassariscus
    cacomistles
  5545. genus Bassia
    summer cypress
  5546. genus Bathyergus
    mole rats
  5547. genus Batis
    small genus of plants constituting the family Batidaceae: low straggling dioecious shrubs
  5548. genus Batrachoseps
    slender salamanders
  5549. genus Bauhinia
    mountain ebony, orchid tree
  5550. genus Beaumontia
    small genus of evergreen woody vines in the East Indies and Asia
  5551. genus Begonia
    large genus of tropical succulent plants widely cultivated
  5552. genus Belamcanda
    a monocotyledonous genus of the family Iridaceae
  5553. genus Bellis
    daisy
  5554. genus Bemisia
    sweet-potato whitefly
  5555. genus Bennettitis
    type of the Bennettitales
  5556. genus Benzoin
    used in some classifications for the American spicebush and certain other plants often included in the genus Lindera
  5557. genus Berberis
    large genus of shrubs of temperate zones of New and Old Worlds
  5558. genus Bergenia
    genus of perennial spring-blooming rhizomatous herbs with thick evergreen leaves; eastern Asia
  5559. genus Beroe
    coextensive with the class Nuda
  5560. genus Berteroa
    hoary alyssum
  5561. genus Bertholletia
    brazil nut
  5562. genus Bessera
    small genus of cormous perennials of Mexico
  5563. genus Besseya
    genus of North American spring wildflowers
  5564. genus Beta
    beets
  5565. genus Bettongia
    jerboa kangaroo
  5566. genus Betula
    a genus of trees of the family Betulaceae (such as birches)
  5567. genus Bibos
    wild ox
  5568. genus Bidens
    bur marigolds
  5569. genus Bignonia
    one species: cross vine
  5570. genus Biscutella
    genus of Eurasian herbs and small shrubs: buckler mustard
  5571. genus Bison
    sometimes considered a subgenus of genus Bos: American buffalo
  5572. genus Bitis
    a genus of Viperidae
  5573. genus Blaberus
    giant cockroaches
  5574. genus Blandfordia
    small genus of tuberous Australian perennial herbs
  5575. genus Blarina
    shrews
  5576. genus Blastocladia
    a genus of fungi of the family Blastodiaceae
  5577. genus Blastomyces
    genus of pathogenic yeastlike fungi
  5578. genus Blatta
    type genus of the Blattidae: cockroaches infesting buildings worldwide
  5579. genus Blattella
    small cockroaches
  5580. genus Blechnum
    in some classification systems placed in family Polypodiaceae; terrestrial ferns of cosmopolitan distribution mainly in southern hemisphere: hard ferns
  5581. genus Blennius
    type genus of the Blenniidae
  5582. genus Blephilia
    small genus of North American herbs: wood mints
  5583. genus Bletia
    genus of tropical American terrestrial orchids with large purple or pink flowers
  5584. genus Bletilla
    small genus of chiefly east Asiatic hardy terrestrial orchids similar to genus Bletia
  5585. genus Blighia
    small genus of western African evergreen trees and shrubs bearing fleshy capsular three-seeded fruits edible when neither unripe nor overripe
  5586. genus Blissus
    chinch bugs
  5587. genus Bloomeria
    small genus of bulbous perennial herbs of southwestern United States and Mexico; sometimes placed in family Alliaceae
  5588. genus Bocconia
    tropical American trees or shrubs closely related to genus Macleaya
  5589. genus Boehmeria
    false nettle
  5590. genus Bolbitis
    terrestrial or less than normally scandent ferns of tropical regions of northern hemisphere
  5591. genus Boletellus
    a genus of fungi belonging to the family Boletaceae
  5592. genus Boletus
    type genus of Boletaceae
  5593. genus Boltonia
    genus of tall leafy perennial herbs of eastern America and eastern Asia having flowers that resemble asters
  5594. genus Bomarea
    large genus of tropical American vines having showy often spotted umbellate flowers; sometimes placed in family Liliaceae especially subfamily Alstroemeriaceae
  5595. genus Bombax
    trees of chiefly South America
  5596. genus Bombina
    fire-bellied toads
  5597. genus Bombus
    bumblebees
  5598. genus bombycilla
    waxwings
  5599. genus Bombyx
    type genus of the Bombycidae: Chinese silkworm moth
  5600. genus Bonasa
    ruffed grouse
  5601. genus Borago
    perennial herbs of the Mediterranean region
  5602. genus Borassus
    palmyra
  5603. genus Borrelia
    small flexible parasitic spirochetes having three to five wavy spirals
  5604. genus Bos
    wild and domestic cattle
  5605. genus Boselaphus
    Indian antelopes: nilgais
  5606. genus Boswellia
    genus of trees of North Africa and India that yield incense
  5607. genus Botaurus
    bitterns
  5608. genus Bothrops
    fer-de-lance
  5609. genus Botrychium
    grape fern; moonwort
  5610. genus Bougainvillaea
    ornamental tropical woody vines
  5611. genus Bougainvillea
    ornamental tropical woody vines
  5612. genus Bouteloua
    forage grasses
  5613. genus Bowiea
    small genus of tropical African perennial bulbous herbs with deciduous twining stems; sometimes placed in family Hyacinthaceae
  5614. genus Boykinia
    genus of perennial rhizomatous herbs with flowers in panicles; North America; Japan
  5615. genus Brachinus
    bombardier beetles
  5616. genus Brachychiton
    Australian trees (usually with swollen trunks)
  5617. genus Brachycome
    mostly Australian herbs having basal or alternate leaves and loosely corymbose flower heads
  5618. genus Brachystegia
    small genus of tropical African timber trees having pale golden heartwood uniformly striped with dark brown or black:
  5619. genus Bradypus
    type genus of the Bradypodidae: three-toed sloths
  5620. genus Brama
    type genus of the Bramidae
  5621. genus Branchiobdella
    type genus of the Branchiobdellidae: a small worm that lives on the gills or surface of a crayfish attached by a sucker
  5622. genus Branta
    wild geese
  5623. genus Brasenia
    alternatively, a member of the family Nymphaeaceae
  5624. genus Brassavola
    genus of tropical American epiphytic or lithophytic rhizomatous orchids
  5625. genus Brassia
    genus of tropical American epiphytic orchids having striking axillary racemes of yellow to green spiderlike flowers with long slender sepals and warty lips: spider orchids
  5626. genus Brassica
    mustards: cabbages; cauliflowers; turnips; etc.
  5627. genus Brevoortia
    menhaden
  5628. genus Brickelia
    genus of herbs of southwestern America having usually creamy florets followed by one-seeded fruits in a prominent bristly sheath
  5629. genus Brodiaea
    genus of western United States bulbous plants with basal leaves and variously colored flowers; sometimes placed in family Alliaceae
  5630. genus Bromus
    a genus of grasses of the family Gramineae
  5631. genus Brontosaurus
    large quadrupedal herbivorous dinosaurs with very long neck and tail; late Jurassic
  5632. genus Broussonetia
    paper mulberry
  5633. genus Browallia
    small genus of tropical South American annuals
  5634. genus Browmius
    cusk
  5635. genus Bruchus
    type genus of the Bruchidae
  5636. genus Bruckenthalia
    a genus containing only one species: spike heath
  5637. genus Brugmansia
    includes some plants often placed in the genus Datura: angel's trumpets
  5638. genus Brunfelsia
    genus of tropical American shrubs grown for their flowers followed by fleshy berrylike fruits
  5639. genus Brya
    genus of prickly shrubs and small trees of the Caribbean region; source of a durable hardwood
  5640. genus Bryanthus
    a genus allied to and once included in genus Phyllodoce
  5641. genus Bryonia
    climbing perennial herbs: bryony
  5642. genus Bryum
    type genus of the Bryaceae: mosses distinguished by mostly erect and tufted gametophytes and symmetrical short-necked capsules
  5643. genus Bubalus
    in some classification systems included in genus Bos
  5644. genus Bubo
    a genus of Strigidae
  5645. genus Bubulcus
    small white egrets
  5646. genus Bucephala
    buffleheads and goldeneyes
  5647. genus Buceros
    type genus of the family Bucerotidae
  5648. genus Buchloe
    buffalo grass
  5649. genus Buckleya
    small genus of Asiatic and American parasitic shrubs
  5650. genus Buddleia
    shrubs or trees of warm regions
  5651. genus Budorcas
    gnu goats
  5652. genus Bufo
    type genus of the Bufonidae
  5653. genus Bulnesia
    palo santo
  5654. genus Bumelia
    deciduous or evergreen American shrubs small trees having very hard wood and milky latex
  5655. genus Bungarus
    kraits
  5656. genus Buphthalmum
    oxeye
  5657. genus Burhinus
    type genus of the Burhinidae: stone curlews
  5658. genus Burmannia
    type genus of the Burmanniaceae
  5659. genus Burmeisteria
    a genus of Dasypodidae
  5660. genus Bursera
    type genus of Burseraceae
  5661. genus Butea
    genus of East Indian trees or shrubs: dhak
  5662. genus Buteo
    broad-winged soaring hawks
  5663. genus Buxus
    type genus of the Buxaceae
  5664. genus Cabassous
    solely the tatouay
  5665. genus Cabomba
    alternatively, a member of the family Nymphaeaceae
  5666. genus Cacajao
    uakaris
  5667. genus Cacalia
    genus of tall smooth herbs of forested mountains of Europe and Asia minor; in some classifications includes many plants usually placed in genus Emilia
  5668. genus Cacatua
    a genus of Psittacidae
  5669. genus Cacicus
    a genus of tropical American orioles
  5670. genus Cadra
    a genus of Pyralidae
  5671. genus Caenolestes
    type genus of the family Caenolestidae
  5672. genus Caesalpinia
    small spiny tropical trees or shrubs
  5673. genus Caiman
    caimans
  5674. genus Cairina
    a genus of Anatidae
  5675. genus Cajanus
    erect densely branched shrubby perennials of Old World tropics; naturalized in other warm regions
  5676. genus Cakile
    small genus of succulent annual herbs found on sandy shores of North America and Europe
  5677. genus Caladenia
    terrestrial orchids of Australia to New Caledonia
  5678. genus Caladium
    small genus of tropical South American tuberous perennials with large variously colored leaves
  5679. genus Calamagrostis
    reed grass
  5680. genus Calamintha
    calamint
  5681. genus Calamus
    distinctive often spiny-stemmed palms found as climbers in tropical and subtropical forest
  5682. genus Calandrinia
    large genus of low-growing herbs
  5683. genus Calanthe
    large and widely distributed genus of terrestrial orchids
  5684. genus Calceolaria
    large genus of tropical American herbs and shrubs with showy cymose flowers
  5685. genus Calendula
    marigold
  5686. genus Calidris
    a genus of Scolopacidae
  5687. genus Calla
    water arum
  5688. genus Calliandra
    genus of pinnate-leaved shrubs and small trees of tropical and subtropical North and South America and India and West Africa
  5689. genus Callicebus
    titis
  5690. genus Callimorpha
    cinnabar moths
  5691. genus Callinectes
    New World blue crabs
  5692. genus Calliophis
    Asian coral snakes
  5693. genus Calliphora
    type genus of the Calliphoridae: blowflies
  5694. genus Callirhoe
    small genus of North American herbs having usually red or purple flowers
  5695. genus Callisaurus
    zebra-tailed lizard
  5696. genus Callistephus
    one species: erect Asiatic herb with large flowers
  5697. genus Callithrix
    type genus of the Callithricidae: true marmosets
  5698. genus Callitriche
    water starworts
  5699. genus Callitris
    evergreen monoecious coniferous trees or shrubs: cypress pines
  5700. genus Callophis
    Asian coral snakes
  5701. genus Callorhinus
    fur seals
  5702. genus Calluna
    one species
  5703. genus Calocarpum
    a genus of tropical American trees of the family Sapotaceae
  5704. genus Calocedrus
    tall evergreens of western North America and eastern Asia
  5705. genus Calochortus
    large genus of western North American leafy-stemmed bulbous herbs
  5706. genus Calophyllum
    genus of tropical evergreen trees
  5707. genus Calopogon
    terrestrial orchids of North America
  5708. genus Calosoma
    genus of large predaceous ground beetles that feed on injurious caterpillars
  5709. genus Caltha
    a genus of Caltha
  5710. genus Calvatia
    genus of puffballs having outer casings whose upper parts break at maturity into angular pieces to expose the spores
  5711. genus Calycanthus
    a magnoliid dicot genus of the family Calycanthaceae including: allspice
  5712. genus Calycophyllum
    medium to large tropical American trees having shiny reddish-brown shredding bark
  5713. genus Calypso
    one species found throughout much of northern North America and Eurasia
  5714. genus Calystegia
    climbing or scrambling herbs: bindweed
  5715. genus Camassia
    genus of scapose herbs of North and South America having large edible bulbs
  5716. genus Cambarus
    a genus of Astacidae
  5717. genus Camelina
    annual and biennial herbs of Mediterranean to central Asia
  5718. genus Camellia
    tropical Asiatic evergreen shrubs or small trees
  5719. genus Camelus
    type genus of the Camelidae: camels
  5720. genus Campanula
    large genus of herbs grown for their blossoms: bellflowers
  5721. genus Campephilus
    a genus of Picidae
  5722. genus Camponotus
    carpenter ants
  5723. genus Camptosorus
    classification used in some especially former systems for plants usually placed in genus Asplenium
  5724. genus Campyloneurum
    epiphytic ferns of tropical America
  5725. genus Campylorhynchus
    alternative classifications for the cactus wrens
  5726. genus Canachites
    spruce grouse
  5727. genus Cananga
    a genus of Malayan tree
  5728. genus Canangium
    a genus of Malayan tree
  5729. genus Canavalia
    herbs or woody vines of mainly American tropics and subtropics
  5730. genus Cancer
    type genus of the family Cancridae
  5731. genus Candida
    a genus of yeastlike imperfect fungi
  5732. genus Canella
    one species
  5733. genus Canis
    type genus of the Canidae: domestic and wild dogs
  5734. genus Canna
    type and sole genus of the Cannaceae: perennial lily-like herbs of New World tropics
  5735. genus Cannabis
    hemp: genus of coarse annuals native to central Asia and widely naturalized in north temperate regions; in some classifications included in the family Moraceae
  5736. genus Cantharellus
    a well-known genus of fungus
  5737. genus Capella
    snipes
  5738. genus Capparis
    tropical or subtropical evergreen shrubs or small trees
  5739. genus Capra
    goats
  5740. genus Caprella
    skeleton shrimp
  5741. genus Capreolus
    roe deer
  5742. genus Capricornis
    serows
  5743. genus Caprimulgus
    type genus of the Caprimulgidae
  5744. genus Capros
    a genus of fish in the family Caproidae
  5745. genus Capsella
    shepherd's purse
  5746. genus Capsicum
    chiefly tropical perennial shrubby plants having many-seeded fruits: sweet and hot peppers
  5747. genus Caragana
    large genus of Asiatic deciduous shrubs or small trees
  5748. genus Caranx
    type genus of the Carangidae
  5749. genus Carassius
    goldfish
  5750. genus Carcharhinus
    type genus of the Carcharhinidae
  5751. genus Carcharias
    type and sole genus of Carchariidae: sand sharks
  5752. genus Carcharodon
    man-eating sharks
  5753. genus Cardamine
    bittercress, bitter cress
  5754. genus Cardiospermum
    tendril-climbing herbs or shrubs whose seeds have a white heart-shaped spot
  5755. genus Cardium
    type genus of the family Cardiidae: cockles
  5756. genus Carduelis
    in some classifications considered the type genus of a subfamily Carduelinae of the family Fringillidae: goldfinches; siskins; redpolls; linnets
  5757. genus Carduus
    genus of annual or perennial Old World prickly thistles
  5758. genus Caretta
    loggerhead turtles
  5759. genus Carex
    large genus of plants found in damp woodlands and bogs and ditches or at water margins: sedges
  5760. genus Cariama
    the type genus of the Cariamidae comprising only the crested cariama
  5761. genus Carica
    type genus of the Caricaceae
  5762. genus Carissa
    Old World genus of tropical evergreen usually spiny shrubs
  5763. genus Carlina
    genus of Mediterranean thistles
  5764. genus Carnegiea
    caryophylloid dicot genus with only one species: saguaro
  5765. genus Carpenteria
    one species; sometimes placed in family Saxifragaceae
  5766. genus Carphophis
    thunder snake
  5767. genus Carpinus
    mostly deciduous monoecious trees or shrubs: hornbeams
  5768. genus Carpobrotus
    a caryophyllaceous genus of Carpobrotus
  5769. genus Carpocapsa
    codling moths
  5770. genus Carpodacus
    house finches and purple finches
  5771. genus Carthamus
    safflower
  5772. genus Carum
    caraway
  5773. genus Carya
    genus of large deciduous nut-bearing trees
  5774. genus Caryocar
    type genus of the Caryocaraceae
  5775. genus Caryota
    fishtail palms
  5776. genus Casmerodius
    a white egrets
  5777. genus Cassia
    some genus Cassia species often classified as members of the genus Senna or genus Chamaecrista
  5778. genus Cassiope
    low tufted evergreen shrubs of colder parts of north temperate regions having moss-like foliage and nodding white or pink flowers
  5779. genus Castanea
    chestnuts; chinkapins
  5780. genus Castanopsis
    evergreen trees and shrubs of warm regions valued for their foliage; southeastern United States and eastern Australia and northern New Zealand
  5781. genus Castanospermum
    a rosid dicot genus of the subfamily Papilionoideae having one species: Moreton Bay chestnut
  5782. genus Castilleia
    genus of western North and South American perennials often partially parasitic on roots of grasses
  5783. genus Castilleja
    genus of western North and South American perennials often partially parasitic on roots of grasses
  5784. genus Castor
    type genus of the Castoridae: beavers
  5785. genus Castoroides
    extinct beavers of the Pleistocene
  5786. genus Casuarina
    genus of trees and shrubs widely naturalized in southern United States and West Indies; coextensive with the family Casuarinaceae and order Casuarinales
  5787. genus Casuarius
    type and sole genus of the Casuaridae: cassowaries
  5788. genus Catacala
    moths whose larvae are cutworms: underwings
  5789. genus Catalpa
    a dicotyledonous genus of plants belonging to the family Bignoniaceae; has large flowers (white or mottled) and long terete pods
  5790. genus Catananche
    genus of Mediterranean herbs: cupid's dart
  5791. genus Catasetum
    genus of tropical American orchids having showy male and female flowers usually on separate inflorescences
  5792. genus Catha
    a genus of African evergreen shrubs characterized by thick leaves and white flowers
  5793. genus Catharacta
    skuas
  5794. genus Catharanthus
    small genus of erect annual or perennial herbs native to Madagascar; widely naturalized in the tropics; formerly included in genus Vinca
  5795. genus Cathartes
    type genus of the Cathartidae: turkey vultures
  5796. genus Cathaya
    one species; related to Pseudotsuga and Larix
  5797. genus Catoptrophorus
    willet
  5798. genus Catostomus
    type genus of the family Catostomidae
  5799. genus Cattleya
    large and highly valued genus of beautiful tropical American epiphytic or lithophytic orchids; the typical orchids; known in many varieties
  5800. genus Caulophyllum
    blue cohosh
  5801. genus Cavia
    type genus of the Caviidae: guinea pigs
  5802. genus Cebuella
    pygmy marmosets
  5803. genus Cebus
    type genus of the Cebidae
  5804. genus Cecropia
    large genus of tropical American trees that yield a bast fiber used for cordage and bark used in tanning; milky juice yields caoutchouc
  5805. genus Cedrela
    tropical American trees
  5806. genus Cedrus
    true cedars
  5807. genus Ceiba
    tropical American trees with palmately compound leaves and showy bell-shaped flowers
  5808. genus Celastrus
    genus of woody vines and erect shrubs (type genus of the Celastraceae) that is native chiefly to Asia and Australia: includes bittersweet
  5809. genus Celosia
    annual or perennial herbs or vines of tropical and subtropical America and Asia and Africa
  5810. genus Celtis
    large genus of trees and shrubs with berrylike fruit
  5811. genus Cenchrus
    a genus of grasses of the family Gramineae that have burs
  5812. genus Centaurea
    knapweed; star thistle
  5813. genus Centaurium
    genus of low-growing herbs mostly of northern hemisphere having flowers with protruding spirally twisted anthers
  5814. genus Centranthus
    genus of southern European herbs and subshrubs
  5815. genus Centrocercus
    sage grouse
  5816. genus Centrolobium
    a genus of Centrolobium
  5817. genus Centropomus
    type genus of the Centropomidae: snooks
  5818. genus Centropristis
    sea basses
  5819. genus Centropus
    a genus of Cuculidae
  5820. genus Centrosema
    a genus of chiefly tropical American vines of the family Leguminosae having trifoliate leaves and large flowers
  5821. genus Centunculus
    a dicotyledonous genus of the family Primulaceae
  5822. genus Cephalanthera
    small genus of temperate Old World terrestrial orchids
  5823. genus Cephalopterus
    a genus of Cotingidae
  5824. genus Cephalotaxus
    the genus of Cephalotaxus (see plum-yews)
  5825. genus Cephalotus
    one species: Australian pitcher plant
  5826. genus Cepphus
    a genus of birds including: guillemots
  5827. genus Cerapteryx
    antler moths
  5828. genus Cerastes
    horned vipers
  5829. genus Cerastium
    mouse-eared chickweed
  5830. genus Ceratitis
    Mediterranean fruit flies
  5831. genus Ceratodus
    type genus of the Ceratodontidae: extinct genus of lungfishes
  5832. genus Ceratonia
    carobs
  5833. genus Ceratopetalum
    a dicotyledonous genus of the family Cunoniaceae
  5834. genus Ceratophyllum
    constituting the family Ceratophyllaceae: hornworts
  5835. genus Ceratopogon
    type genus of the Ceratopogonidae
  5836. genus Ceratopteris
    water ferns
  5837. genus Ceratosaurus
    primitive saurischian carnivorous dinosaurs
  5838. genus Ceratostomella
    genus of fungi forming continuous hyaline spores
  5839. genus Ceratotherium
    African genus
  5840. genus Ceratozamia
    small genus of Mexican cycads
  5841. genus Cercidiphyllum
    one species: katsura tree
  5842. genus Cercidium
    spiny shrubs or small trees sometimes placed in genus Parkinsonia: paloverde
  5843. genus Cercis
    deciduous shrubs and trees of eastern Asia, southern Europe and the United States
  5844. genus Cercocebus
    mangabeys
  5845. genus Cercopithecus
    type genus of the Cercopithecidae: guenons
  5846. genus Cercospora
    form genus of imperfect fungi that are leaf parasites with long slender spores
  5847. genus Cercosporella
    form genus of imperfect fungi lacking pigment in the spores and conidiophores
  5848. genus Cereus
    genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flowers usually white
  5849. genus Ceroxylon
    wax palms
  5850. genus Certhia
    type genus of the Certhiidae
  5851. genus Cervus
    the type genus of the Cervidae
  5852. genus Ceryle
    a genus of birds of the family Alcedinidae
  5853. genus Cestrum
    genus of fragrant tropical American shrubs
  5854. genus Cestum
    Venus's girdle
  5855. genus Ceterach
    small genus of Old World ferns
  5856. genus Cetonia
    a genus of Cetoniidae
  5857. genus Cetorhinus
    comprising only the basking sharks
  5858. genus Cetraria
    foliose lichens chiefly of northern latitudes
  5859. genus Chaenactis
    genus of flowering herbs of western United States
  5860. genus Chaenomeles
    flowering quince
  5861. genus Chaenopsis
    a genus of fish of the family Clinidae including pikeblennies
  5862. genus Chaetodipterus
    a genus of Ephippidae
  5863. genus Chaetodon
    type genus of the Chaetodontidae
  5864. genus Chalcis
    type genus of the Chalcididae
  5865. genus Chalcostigma
    thornbills
  5866. genus Chamaea
    a genus of Paridae
  5867. genus Chamaecrista
    genus of tropical herbs or subshrubs having sensitive leaves and suddenly dehiscing pods; some species placed in genus Cassia
  5868. genus Chamaecyparis
    a genus of Chamaecyparis
  5869. genus Chamaecytisus
    small late-flowering trees or subshrubs having yellow to red flowers and leathery or woody pods; often especially formerly included in genus Cytisus
  5870. genus Chamaedaphne
    one species: leatherleaf
  5871. genus Chamaeleo
    type genus of the Chamaeleontidae
  5872. genus Chamaeleon
    type genus of the Chamaeleontidae
  5873. genus Chamaemelum
    small genus of plants sometimes included in genus Anthemis: chamomile
  5874. genus Chara
    green algae common in freshwater lakes of limestone districts
  5875. genus Charadrius
    type genus of the Charadriidae: plovers
  5876. genus Charina
    boas of western North America
  5877. genus Charronia
    a genus of Mustelidae
  5878. genus Chateura
    a genus of Apodidae
  5879. genus Chauna
    crested screamers
  5880. genus Cheilanthes
    small evergreen ferns: lipferns
  5881. genus Cheiranthus
    Old World perennial plants grown for their showy flowers
  5882. genus Chelidonium
    one species: greater celandine
  5883. genus Chelifer
    a genus of Chelonethida
  5884. genus Chelone
    herbaceous perennials: shellflower
  5885. genus Chelonia
    green turtles
  5886. genus Chelydra
    snapping turtles
  5887. genus Chenopodium
    goosefoot; pigweed
  5888. genus Chilomastix
    flagellates parasitic in intestines of vertebrates including humans
  5889. genus Chilomeniscus
    sand snakes
  5890. genus Chilomycterus
    burrfishes
  5891. genus Chilopsis
    one species: desert willow
  5892. genus Chimaera
    type genus of the Chimaeridae
  5893. genus Chimaphila
    small genus of evergreen herbs with long creeping rootstocks and shining leaves; North America; Europe; east Asia
  5894. genus Chimonanthus
    small genus of Asian deciduous or evergreen shrubs having fragrant flowers: winter sweet
  5895. genus Chinchilla
    type genus of the Chinchillidae
  5896. genus Chinchona
    large genus of trees of Andean region of South America having medicinal bark
  5897. genus Chiococca
    shrubs of tropical and subtropical New World
  5898. genus Chionanthus
    deciduous trees or shrubs: fringe tree
  5899. genus Chirocephalus
    fairy shrimp; brine shrimp
  5900. genus Chironomus
    type genus of the Chironomidae
  5901. genus Chiton
    a genus of Polyplacophora
  5902. genus Chlamydera
    a genus of Ptilonorhynchidae
  5903. genus Chlamydia
    type genus of the family Chlamydiaceae: disease-causing parasites
  5904. genus Chlamydomonas
    type genus of the Chlamydomonadaceae
  5905. genus Chlamydosaurus
    frilled lizards
  5906. genus Chlamyphorus
    pichiciago
  5907. genus Chloranthus
    type genus of the Chloranthaceae
  5908. genus Chlorella
    nonmotile unicellular green algae potentially important as source of high-grade protein and B-complex vitamins
  5909. genus Chloris
    tufted or perennial or annual grasses having runners: finger grass; windmill grass
  5910. genus Chlorococcum
    type genus of Chlorococcales
  5911. genus Chlorophis
    African green snakes
  5912. genus Chlorophoneus
    a genus of Malaconotinae
  5913. genus Chlorophyllum
    a genus of fungus belonging to the family Lepiotaceae
  5914. genus Chloroxylon
    deciduous trees of India and Sri Lanka
  5915. genus Chlorura
    towhees
  5916. genus Choeronycteris
    a genus of Phyllostomatidae
  5917. genus Choloepus
    a genus of Megalonychidae consisting of the two-toed sloth
  5918. genus Chondrus
    a genus of protoctist
  5919. genus Chordeiles
    a genus of Caprimulgidae
  5920. genus Chordospartium
    2 species of small New Zealand trees: weeping tree broom
  5921. genus Choriotis
    Australian bustard
  5922. genus Chorizagrotis
    moths whose larvae are army cutworms
  5923. genus Chorizema
    genus of Australian twining vines and small shrubs: flame peas
  5924. genus Christella
    medium to large terrestrial ferns of tropical forests of Old World to Americas
  5925. genus Chronoperates
    a reptile genus of Therapsida
  5926. genus Chrysanthemum
    in some classifications many plants usually assigned to the genus Chrysanthemum have been divided among other genera: e.g. Argyranthemum; Dendranthema; Leucanthemum; Tanacetum
  5927. genus Chrysaora
    a genus of Scyphozoa
  5928. genus Chrysemys
    painted turtles
  5929. genus Chrysobalanus
    coco plums
  5930. genus Chrysochloris
    type genus of the Chrysochloridae
  5931. genus Chrysolepis
    two species: golden chinkapins
  5932. genus Chrysolophus
    golden pheasants
  5933. genus Chrysophrys
    Australian snapper
  5934. genus Chrysophyllum
    tropical American evergreen trees or shrubs
  5935. genus Chrysopsis
    golden aster
  5936. genus Chrysosplenium
    genus of widely distributed semiaquatic herbs with minute greenish-yellow apetalous flowers
  5937. genus Chrysothamnus
    genus of low branching shrubs of western North America
  5938. genus Chunga
    a genus of Cariamidae
  5939. genus Cibotium
    in some classification systems placed in family Cyatheaceae: ornamental tree ferns with coarse gracefully drooping fronds
  5940. genus Cicada
    type genus of the Cicadidae: cicadas
  5941. genus Cicer
    chickpea plant; Asiatic herbs
  5942. genus Cichorium
    chicory
  5943. genus Ciconia
    type genus of the Ciconiidae: European storks
  5944. genus Cicuta
    small genus of perennial herbs having deadly poisonous tuberous roots: water hemlock
  5945. genus Cimex
    type genus of the Cimicidae: bedbugs
  5946. genus Cimicifuga
    small genus of perennial herbs of north temperate regions: bugbane
  5947. genus Cinchona
    large genus of trees of Andean region of South America having medicinal bark
  5948. genus Cinclus
    type genus of the family Cinclidae
  5949. genus Cinnamomum
    Asiatic and Australian aromatic trees and shrubs
  5950. genus Circaea
    enchanter's nightshade
  5951. genus Circaetus
    harrier eagles
  5952. genus Circus
    a genus of haws comprising the harriers
  5953. genus Cirsium
    plume thistles
  5954. genus Cistothorus
    marsh wrens
  5955. genus Cistus
    small to medium-sized evergreen shrubs of southern Europe and North Africa
  5956. genus Citellus
    typical ground squirrels
  5957. genus Citharichthys
    a genus of Bothidae
  5958. genus Citroncirus
    a cross between Citrus sinensis and Poncirus trifoliata
  5959. genus Citrullus
    a dicot genus of the family Cucurbitaceae including watermelons
  5960. genus Citrus
    orange; lemon; lime; etc.
  5961. genus Cladonia
    type genus of Cladoniaceae
  5962. genus Cladorhyncus
    one of two genera of stilts
  5963. genus Cladrastis
    yellowwoods
  5964. genus Clangula
    a genus of ducks
  5965. genus Clathrus
    type genus of the Clathraceae
  5966. genus Claviceps
    fungi parasitic upon the ovaries of various grasses
  5967. genus Claytonia
    genus of mainly North American succulent herbs with white or pink flowers usually in terminal racemes
  5968. genus Cleistes
    terrestrial orchids of North and South America having slender fibrous roots; allied to genus Pogonia
  5969. genus Clematis
    large genus of deciduous or evergreen woody vines or erect herbs
  5970. genus Cleome
    tropical and subtropical annual or perennial herbs or low shrubs
  5971. genus Clethra
    type and sole genus of the Clethraceae
  5972. genus Clethrionomys
    a genus of Cricetidae
  5973. genus Clianthus
    genus of semi-prostrate Australasian shrubs or vines
  5974. genus Cliftonia
    one species: titi
  5975. genus Clinopodium
    wild basil
  5976. genus Clintonia
    sometimes placed in family Convallariaceae
  5977. genus Clitocybe
    a genus of agarics with white to pale yellow spore deposits and fleshy stalks centrally attached to the cap and closely attached gills
  5978. genus Clitoria
    genus of tropical shrubs or vines having pinnate leaves and large axillary flowers
  5979. genus Clostridium
    anaerobic or micro-aerophilic rod-shaped or spindle-shaped saprophytes; nearly cosmopolitan in soil, animal intestines, and dung
  5980. genus Clupea
    type genus of the Clupeidae: typical herrings
  5981. genus Clusia
    tropical American aromatic trees or shrubs
  5982. genus Cnemidophorus
    whiptails
  5983. genus Cnicus
    one species: blessed thistle
  5984. genus Cnidoscolus
    a genus of perennial plant with bristles
  5985. genus Coccothraustes
    large finches
  5986. genus Cocculus
    climbing plants or shrubs
  5987. genus Coccus
    type genus of the Coccidae
  5988. genus Coccyzus
    a genus of Cuculidae
  5989. genus Cochlearia
    a genus of the family Cruciferae
  5990. genus Cochlearius
    boatbills
  5991. genus Cocos
    coconut palms
  5992. genus Codariocalyx
    used in some classifications for plants usually included in genus Desmodium
  5993. genus Codiaeum
    evergreen tropical trees and shrubs with thick and colorful leathery leaves; Malaya and Pacific islands
  5994. genus Coeloglossum
    terrestrial orchids of cooler parts of North America and Europe: satyr orchid
  5995. genus Coelogyne
    large diverse genus of tropical Asiatic epiphytic orchids
  5996. genus Coelophysis
    late Triassic carnivorous saurischian dinosaurs
  5997. genus Coereba
    type genus of the Coerebidae
  5998. genus Coffea
    coffee trees
  5999. genus Cola
    large genus of African trees bearing kola nuts
  6000. genus Colaptes
    a genus of Picidae
  6001. genus Colchicum
    chiefly fall-blooming perennial cormous herbs
  6002. genus Coleonyx
    banded geckos
  6003. genus Coleus
    genus of Old World tropical plants cultivated for their variegated leaves; various plants sometimes placed in genera Plectranthus or Solenostemon
  6004. genus Colinus
    New World quail: the bobwhites
  6005. genus Collinsia
    genus of hardy annual herbs of western United States
  6006. genus Collinsonia
    small genus of perennial erect or spreading aromatic herbs
  6007. genus Collocalia
    a genus of Apodidae
  6008. genus Colobus
    a genus of Cercopithecidae
  6009. genus Colocasia
    small genus of perennial tuberous herbs of tropical Asia: taro
  6010. genus Coluber
    racers
  6011. genus Colubrina
    mostly tropical American shrubs or small trees with small yellowish flowers and yellow or red fruits
  6012. genus Columba
    type genus of the Columbidae: typical pigeons
  6013. genus Columnea
    genus of tropical American subshrubs and lianas
  6014. genus Colutea
    small genus of Eurasian shrubs with yellow flowers and bladdery pods
  6015. genus Comandra
    small genus of chiefly North American parasitic plants
  6016. genus Comatula
    former usage synonymous with Antedon
  6017. genus Combretum
    type genus of the Combretaceae: tropical and subtropical small shrubs and trees
  6018. genus Commelina
    type genus of the Commelinaceae
  6019. genus Commiphora
    genus of East Indian and African trees yielding balsamic products
  6020. genus Compsognathus
    a reptile genus of Theropoda
  6021. genus Comptonia
    one species: sweet fern
  6022. genus Condylura
    star-nosed moles
  6023. genus Conepatus
    a genus of Mustelidae
  6024. genus Conferva
    type genus of Tribonemaceae
  6025. genus Conilurus
    jerboa rats
  6026. genus Coniogramme
    terrestrial ferns of Pacific islands and Asia
  6027. genus Conium
    small genus of highly toxic biennials: hemlock
  6028. genus Connarus
    large genus of tropical trees and shrubs
  6029. genus Connochaetes
    African antelopes: gnus
  6030. genus Conocarpus
    monotypic genus of tropical American trees: button tree
  6031. genus Conoclinium
    mistflower
  6032. genus Conopodium
    a genus of dicotyledonous plants of the family Umbelliferae
  6033. genus Conospermum
    Australian shrubs with flowers in dense spikes: smoke bush
  6034. genus Conradina
    small genus of low aromatic shrubs of southeastern United States
  6035. genus Consolida
    plants having flowers resembling the larkspur's but differing from larkspur's in the arrangement of petals; sometimes included in genus Delphinium
  6036. genus Contopus
    pewees
  6037. genus Conuropsis
    a genus of Psittacidae
  6038. genus Convallaria
    sometimes placed in family Convallariaceae: lily of the valley
  6039. genus Convolvulus
    genus of mostly climbing or scrambling herbs and shrubs: bindweed
  6040. genus Conyza
    common American weed or wildflower
  6041. genus Copernicia
    slow-growing tropical fan palms
  6042. genus Coprinus
    genus of black-spotted agarics in which the cap breaks down at maturity into an inky fluid; sometimes placed in its own family Coprinaceae
  6043. genus Coptis
    small genus of low perennial herbs having yellow rhizomes and white or yellow flowers
  6044. genus Coracias
    type genus of the Coraciidae
  6045. genus Coragyps
    a genus of Cathartidae
  6046. genus Corallorhiza
    genus of leafless root-parasitic orchids having small purplish or yellowish racemose flowers with lobed lips; widely distributed in temperate regions
  6047. genus Corchorus
    widely distributed genus of tropical herbs or subshrubs
  6048. genus Cordaites
    tall Paleozoic trees superficially resembling modern screw pines; structurally intermediate in some ways between cycads and conifers
  6049. genus Cordia
    tropical deciduous or evergreen trees or shrubs of the family Boraginaceae
  6050. genus Cordyline
    Asiatic and Pacific trees or shrubs
  6051. genus Cordylus
    type genus of the Cordylidae
  6052. genus Coregonus
    type genus of the Coregonidae: whitefishes
  6053. genus Coreopsis
    genus of American plants widely cultivated for their flowers
  6054. genus Coriandrum
    small genus of annual Mediterranean herbs
  6055. genus Corixa
    type genus of the Corixidae: boat bugs
  6056. genus Cornus
    a rosid dicot genus of the family Cornaceae including: dogwood; cornel: perennial chiefly deciduous shrubs or small trees of temperate regions of northern hemisphere
  6057. genus Corokia
    evergreen shrubs with intricately twisted wiry stems that in summer are smothered in small yellow flowers; grows in New Zealand
  6058. genus Coronilla
    genus of Old World shrubs and herbs
  6059. genus Corozo
    a monocotyledonous genus of tropical American palm trees
  6060. genus Cortaderia
    tall ornamental grasses of South America and New Zealand and New Guinea: pampas grass
  6061. genus Corticium
    genus of fungi having simple smooth sporophores
  6062. genus Cortinarius
    the largest genus in the Agaricales
  6063. genus Corvus
    type genus of the Corvidae: crows and ravens
  6064. genus Coryanthes
    small genus of tropical American epiphytic or lithophytic orchids
  6065. genus Corydalis
    annual or perennial herbs of Himalayan China and South Africa
  6066. genus Corydalus
    type genus of the Corydalidae
  6067. genus Corylopsis
    small genus of deciduous shrubs of temperate regions of Asia
  6068. genus Corylus
    deciduous monoecious nut-bearing shrubs of small trees: hazel; sometimes placed in the subfamily or family Corylaceae
  6069. genus Corynebacterium
    the type genus of the family Corynebacteriaceae which is widely distributed in nature; the best known are parasites and pathogens of humans and domestic animals
  6070. genus Corypha
    large fan palms of tropical Asia to Australia
  6071. genus Coryphantha
    mainly globose cacti of southwestern United States and Mexico covered with many nodules; superficially resembling and formerly included in genus Mammillaria
  6072. genus Corythosaurus
    genus of duck-billed dinosaurs of late Cretaceous
  6073. genus Coscoroba
    a genus of Anatidae
  6074. genus Cosmocampus
    a genus of fish in the family Syngnathidae
  6075. genus Cosmos
    genus of tropical American plants cultivated for their colorful flowers
  6076. genus Costia
    a genus of flagellate protoctist
  6077. genus Cotinga
    type genus of the Cotingidae: cotingas
  6078. genus Cotinus
    smoke trees
  6079. genus Cotoneaster
    genus of deciduous or evergreen Old World shrubs widely cultivated
  6080. genus Cottus
    type genus of the Cottidae: sculpins
  6081. genus Cotula
    cosmopolitan herbs especially southern hemisphere
  6082. genus Coturnix
    Old World quail
  6083. genus Coumarouna
    tropical American trees: tonka beans
  6084. genus Cracticus
    type genus of the Cracticidae: Australian butcherbirds
  6085. genus Crambe
    annual or perennial herbs with large leaves that resemble the leaves of cabbages
  6086. genus Crangon
    type genus of the family Crangonidae
  6087. genus Craspedia
    herbs of Australia and New Zealand
  6088. genus Crassostrea
    Virginia oysters
  6089. genus Crassula
    type genus of Crassulaceae
  6090. genus Crataegus
    thorny shrubs and small trees: hawthorn; thorn; thorn apple
  6091. genus Crateva
    tropical genus of small trees or shrubs
  6092. genus Crax
    type genus of the Cracidae: curassows
  6093. genus Crepis
    hawk's-beard; cosmopolitan in northern hemisphere
  6094. genus Crescentia
    a genus of tropical American trees of the family Bignoniaceae; has a short trunk and crooked limbs and drooping branches
  6095. genus Crex
    corncrakes
  6096. genus Cricetus
    type genus of the Cricetidae: Old World hamsters
  6097. genus Crocethia
    a genus of Scolopacidae
  6098. genus Crocodilus
    type genus of the Crocodylidae
  6099. genus Crocodylus
    type genus of the Crocodylidae
  6100. genus Crocus
    a monocotyledonous genus of the family Iridaceae
  6101. genus Crocuta
    a genus of Hyaenidae
  6102. genus Cronartium
    rust fungi having aecia produced in raised or swollen sori and teliospores borne in waxy columns
  6103. genus Crotalaria
    large genus of herbs with simple leaves and racemes of yellow flowers; mainly of tropical Africa
  6104. genus Crotalus
    large rattlesnakes
  6105. genus Crotaphytus
    collared lizards
  6106. genus Croton
    tropical shrubs and herbs; source of croton oil
  6107. genus Crotophaga
    ani
  6108. genus Cryptacanthodes
    a genus of Stichaeidae
  6109. genus Cryptobranchus
    type genus of the Cryptobranchidae
  6110. genus Cryptocercus
    cockroaches
  6111. genus Cryptocoryne
    water trumpet
  6112. genus Cryptogramma
    sometimes placed in family Polypodiaceae or Cryptogrammataceae
  6113. genus Cryptomeria
    Japanese cedar; sugi
  6114. genus Cryptotermes
    genus of dry wood termites
  6115. genus Cryptotis
    least shrews
  6116. genus Ctenocephalides
    an arthropod genus of fleas
  6117. genus Ctenocephalus
    a former usage synonymous with Ctenocephalides
  6118. genus Cuculus
    type genus of the Cuculidae
  6119. genus Cucumis
    cucumbers; muskmelons
  6120. genus Cucurbita
    type genus of the Cucurbitaceae
  6121. genus Culcita
    includes some plants usually placed in e.g. genus Dicksonia: terrestrial ferns resembling bracken; tropical America; Malaysia to Australia and Polynesia; southwestern Europe and Atlantic islands
  6122. genus Culex
    type genus of the Culicidae: widespread genus of mosquitoes distinguished by holding the body parallel to the resting surface
  6123. genus Cuminum
    cumin
  6124. genus Cuniculus
    pacas
  6125. genus Cuon
    Asiatic wild dog
  6126. genus Cupressus
    type genus of Cupressaceae
  6127. genus Curcuma
    tropical Asiatic perennial herbs
  6128. genus Cursorius
    coursers
  6129. genus Curtisia
    a large evergreen tree of South Africa
  6130. genus Cuscuta
    genus of twining leafless parasitic herbs lacking chlorophyll: dodder
  6131. genus Cuterebra
    type genus of the Cuterebridae
  6132. genus Cyamopsis
    small genus of annual usually hairy herbs of tropical Africa and Arabia
  6133. genus Cyamus
    whale lice
  6134. genus Cyanocitta
    New World jays
  6135. genus Cyathea
    type genus of the Cyatheaceae: tree ferns of the tropical rain forest to temperate woodlands
  6136. genus Cycas
    type genus of Cycadaceae: genus of widely distributed Old World evergreen tropical trees having pinnate leaves and columnar stems covered with persistent bases of old leaves
  6137. genus Cyclamen
    genus of widely cultivated flowering Eurasian herbs with centrally depressed rounded tubers and rounded heart-shaped leaves
  6138. genus Cycloloma
    a caryophyllaceous genus of the family Chenopodiaceae
  6139. genus Cyclopes
    only the silky anteater
  6140. genus Cyclophorus
    tropical Old World ferns having closely crowded circular sori and no indusia
  6141. genus Cyclops
    copepod water fleas
  6142. genus Cyclopterus
    type genus of the Cyclopteridae: lumpfishes
  6143. genus Cyclosorus
    small genus of terrestrial ferns of tropical and subtropical southern hemisphere
  6144. genus Cycnoches
    genus of epiphytic or terrestrial tropical American orchids
  6145. genus Cydonia
    quince
  6146. genus Cygnus
    a genus of Anatidae
  6147. genus Cymbidium
    genus of tropical epiphytic or terrestrial Old World orchids
  6148. genus Cynancum
    genus of perennial tropical African lianas
  6149. genus Cynara
    artichoke; cardoon
  6150. genus Cynips
    type genus of the Cynipidae: gall wasps
  6151. genus Cynocephalus
    type genus of the family Cynocephalidae
  6152. genus Cynodon
    creeping perennial grasses of tropical and southern Africa
  6153. genus Cynoglossum
    a large genus of tall rough herbs belonging to the family Boraginaceae
  6154. genus Cynomys
    prairie dogs
  6155. genus Cynopterus
    a genus of Megachiroptera
  6156. genus Cynoscion
    sea trout
  6157. genus Cyon
    Asiatic wild dog
  6158. genus Cyperus
    type genus of Cyperaceae
  6159. genus Cyphomandra
    tree tomato
  6160. genus Cypraea
    type genus of the family Cypraeidae: the typical cowries
  6161. genus Cyprinus
    type genus of the family Cyprinidae: carp
  6162. genus Cypripedium
    genus of chiefly American perennial leafy-stemmed orchids: lady's slippers; sometimes includes species of genus Paphiopedilum
  6163. genus Cyrilla
    one species: trees and shrubs having flowers with acute or twisted petals and wingless fruit
  6164. genus Cyrtomium
    small genus of tropical Asiatic greenhouse ferns
  6165. genus Cystophora
    hooded seals
  6166. genus Cystopteris
    chiefly small perennial rock ferns: bladder ferns
  6167. genus Cytisus
    large genus of stiff or spiny evergreen or deciduous Old World shrubs: broom
  6168. genus Daboecia
    a dicotyledonous genus of the family Ericaceae
  6169. genus Dacelo
    Australasian kingfishers
  6170. genus Dacrycarpus
    evergreen coniferous shrubs or trees of New Zealand to Malaysia and Philippines
  6171. genus Dacrydium
    Australasian evergreen trees or shrubs
  6172. genus Dacrymyces
    type genus of the Dacrymycetaceae: fungi with a bifurcate basidium that lacks septa
  6173. genus Dactylis
    a monocotyledonous grass of the family Gramineae
  6174. genus Dactyloctenium
    a monocotyledonous genus of the family Gramineae
  6175. genus Dactylopius
    type genus of the Dactylopiidae
  6176. genus Dactylopterus
    a genus of Dactylopteridae
  6177. genus Dactylorhiza
    genus of terrestrial orchids of Europe and Asia and North Africa
  6178. genus Dahlia
    genus of perennial tuberous plants of Mexico and Central America
  6179. genus Dalbergia
    large genus of tropical trees having pinnate leaves and paniculate flowers and cultivated commercially for their dramatically grained and colored timbers
  6180. genus Dalea
    indigo bush
  6181. genus Dama
    fallow deer
  6182. genus Damaliscus
    African antelopes: sassabies
  6183. genus Danaea
    fairly small terrestrial ferns of tropical America
  6184. genus Danaus
    type genus of the Danaidae: monarch butterflies
  6185. genus Daphne
    usually evergreen Eurasian shrubs
  6186. genus Daphnia
    water fleas
  6187. genus Darlingtonia
    one species: California pitcher plant
  6188. genus Darmera
    one species
  6189. genus Dasyatis
    type genus of the Dasyatidae
  6190. genus Dasyprocta
    type genus of the Dasyproctidae: agoutis
  6191. genus Dasypus
    type genus of the Dasypodidae
  6192. genus Dasyurus
    type genus of the family Dasyuridae: native cats
  6193. genus Datura
    thorn apple
  6194. genus Daubentonia
    type genus; coextensive with the family Daubentoniidae
  6195. genus Daucus
    carrot
  6196. genus Davallia
    Old World tropical fern
  6197. genus Daviesia
    genus of Australasian shrubs and subshrubs having small yellow or purple flowers followed by short triangular pods
  6198. genus Decapterus
    scads especially mackerel scad; cosmopolitan in distribution
  6199. genus Decumaria
    small genus of woody climbers with adhesive aerial roots
  6200. genus Deinocheirus
    a reptile genus of Ornithomimida
  6201. genus Deinonychus
    advanced bipedal carnivorous dinosaur
  6202. genus Delairea
    one species: German ivy
  6203. genus Delichon
    a genus of Hirundinidae
  6204. genus Delonix
    evergreen or deciduous trees of tropical Africa and India
  6205. genus Delphinapterus
    white whale
  6206. genus Delphinium
    large genus of chiefly perennial erect branching herbs of north temperate regions some poisonous
  6207. genus Delphinus
    type genus of the Delphinidae
  6208. genus Dendranthema
    comprises plants often included in the genus Chrysanthemum
  6209. genus Dendraspis
    mambas
  6210. genus Dendroaspis
    mambas
  6211. genus Dendrobium
    large genus and variable genus of chiefly epiphytic or lithophytic orchids of tropical and subtropical Asia and Australasia
  6212. genus Dendrocalamus
    giant clump-forming bamboos
  6213. genus Dendrocolaptes
    type genus of the Dendrocolaptidae
  6214. genus Dendroctonus
    genus of small bark beetles destructive especially to mature conifers
  6215. genus Dendroica
    a genus of Parulidae
  6216. genus Dendrolagus
    tree wallabies
  6217. genus Dendromecon
    one species: bush poppy
  6218. genus Denisonia
    copperheads
  6219. genus Dennstaedtia
    chiefly terrestrial ferns
  6220. genus Dentaria
    usually included in genus Cardamine
  6221. genus Deparia
    classification used for 5 species of terrestrial ferns usually placed in other genera
  6222. genus Dermacentor
    vectors of important diseases of man and animals
  6223. genus Dermatobia
    larvae live under the skin of domestic mammals and humans
  6224. genus Dermochelys
    type genus of the Dermochelyidae: leatherback turtles
  6225. genus Derris
    genus of Old World tropical shrubs and woody vines
  6226. genus Descurainia
    includes annual or biennial herbs of America and Europe very similar to and often included among those of genera Sisymbrium or Hugueninia; not recognized in some classification systems
  6227. genus Desmanthus
    genus of American herbs or shrubs with sensitive pinnate leaves and small whitish flowers
  6228. genus Desmidium
    a genus of protoctist
  6229. genus Desmodium
    beggarweed; tick trefoil
  6230. genus Desmodus
    type genus of the Desmodontidae: vampire bats
  6231. genus Desmograthus
    an amphibian genus of Plethodontidae
  6232. genus Deutzia
    genus of ornamental mostly deciduous shrubs native to Asia and Central America; widespread in cultivation; sometimes placed in family Saxifragaceae
  6233. genus Diacalpa
    one species: delicate fern of foothills of Himalayas
  6234. genus Diadophis
    a genus of reptiles of the family Colubridae including ringneck snakes
  6235. genus Dialeurodes
    a genus of Aleyrodidae
  6236. genus Dianthus
    carnations and pinks
  6237. genus Diapensia
    type genus of Diapensiaceae
  6238. genus Diapheromera
    a genus of Phasmidae
  6239. genus Dicamptodon
    type genus of the Dicamptodontidae
  6240. genus Dicentra
    North American and Asian herbs with divided leaves and irregular flowers
  6241. genus Diceros
    most common species in Africa
  6242. genus Dichondra
    genus of chiefly tropical prostrate perennial herbs with creeping stems that root at the nodes
  6243. genus Dicksonia
    tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems placed in family Cyatheaceae
  6244. genus Dicranopteris
    terrestrial ferns of forest margin or open ground
  6245. genus Dicranum
    type genus of Dicranaceae
  6246. genus Dicrostonyx
    pied lemmings
  6247. genus Dictamnus
    a dicotyledonous genus of the family Rutaceae
  6248. genus Dictostylium
    genus of slime molds that grow on dung and decaying vegetation
  6249. genus Dictyophera
    closely related to genus Phallus distinguished by an indusium hanging like a skirt from below the pileus
  6250. genus Didelphis
    type genus of the family Didelphidae
  6251. genus Dieffenbachia
    evergreen perennial herbs of tropical America with lush foliage and poisonous sap; often cultivated as houseplants
  6252. genus Diervilla
    small genus of low deciduous shrubs: bush honeysuckles
  6253. genus Difflugia
    genus of protozoans related to ameba
  6254. genus Digitalis
    genus of Eurasian herbs having alternate leaves and racemes of showy bell-shaped flowers
  6255. genus Digitaria
    crab grass; finger grass
  6256. genus Dillenia
    East Indian and Australian shrubs and trees having panicles of large white or yellow flowers
  6257. genus Dimetrodon
    a reptile genus of Pelycosauria
  6258. genus Dimocarpus
    longan
  6259. genus Dimorphotheca
    South African herbs or subshrubs with usually yellow flowers
  6260. genus Dinornis
    type genus of the Dinornithidae: large moas
  6261. genus Diodon
    type genus of the Diodontidae
  6262. genus Diomedea
    type of the Diomedeidae
  6263. genus Dionaea
    a genus of the family Droseraceae
  6264. genus Dioon
    small genus of arborescent cycads of Mexico and Central America; sometimes classified in family Cycadaceae
  6265. genus Dioscorea
    yams
  6266. genus Diospyros
    a genus of trees or shrubs that have beautiful and valuable wood
  6267. genus Diphylla
    vampire bats
  6268. genus Dipladenia
    genus of tropical South American tuberous perennial woody vines with large racemose flowers and milky sap
  6269. genus Diplococcus
    a genus of bacteria
  6270. genus Diplodocus
    a reptile genus of the suborder Sauropoda
  6271. genus Diplopterygium
    scandent thicket-forming ferns of Asia to western Pacific
  6272. genus Diplotaxis
    wall rocket
  6273. genus Dipodomys
    kangaroo rats
  6274. genus Dipogon
    one species: Australian pea
  6275. genus Dipsacus
    type genus of the Dipsacaceae: teasel
  6276. genus Dipsosaurus
    desert iguanas
  6277. genus Dipteronia
    small genus of large deciduous shrubs having large clusters of winged seeds that turn red as they mature; central and southern China
  6278. genus Dipteryx
    tropical American trees: tonka beans
  6279. genus Dipus
    type genus of the Dipodidae
  6280. genus Dirca
    deciduous shrub of North America: leatherwood
  6281. genus Disa
    genus of showy tropical African terrestrial orchids
  6282. genus Discina
    a genus of fungi of the family Helvellaceae with a cup-shaped or saucer-shaped fruiting body and ornamented spores
  6283. genus Dodonaea
    a genus of tropical shrub or tree
  6284. genus Dolichonyx
    bobolinks
  6285. genus Dolichos
    genus of chiefly tropical vines often placed in genera Dipogon or Lablab or Macrotyloma
  6286. genus Dolichotis
    maras
  6287. genus Doliolum
    type genus of the Doliolidae
  6288. genus Dombeya
    genus of African shrubs or small trees
  6289. genus Doodia
    in some classification systems placed in family Polypodiaceae; small terrestrial colony-forming ferns of Australasia
  6290. genus Doronicum
    genus of Eurasian perennial tuberous or rhizomatous herbs: leopard's bane
  6291. genus Dorotheanthus
    a caryophyllaceous genus of Dorotheanthus
  6292. genus Doryopteris
    small to medium tropical tufted ferns
  6293. genus Dovyalis
    small genus of sometimes spiny shrubs or small trees
  6294. genus Draba
    large genus of low tufted herbs of temperate and Arctic regions
  6295. genus Dracaena
    Old World tropical plants with branches ending in tufts of sword-shaped leaves; in some classifications considered a genus of Liliaceae
  6296. genus Draco
    a reptile genus known as flying dragons or flying lizards
  6297. genus Dracocephalum
    genus of American herbs and dwarf shrubs of the mind family: dragonheads
  6298. genus Dracontium
    small genus of tropical American cormous herbs
  6299. genus Dracula
    comprises tropical American species usually placed in genus Masdevallia: diminutive plants having bizarre and often sinister-looking flowers with pendulous scapes and motile lips
  6300. genus Dracunculus
    tuberous herbaceous perennials: dragon arum
  6301. genus Dreissena
    zebra mussels
  6302. genus Drepanis
    a genus of Drepanididae
  6303. genus Drimys
    shrubs and trees of southern hemisphere having aromatic foliage
  6304. genus Dromaius
    a genus of birds in the order Casuariiformes
  6305. genus Drosera
    the type genus of Droseraceae including many low bog-inhabiting insectivorous plants
  6306. genus Drosophila
    a genus of Drosophilidae
  6307. genus Drosophyllum
    one species
  6308. genus Dryadella
    comprises tropical American species usually placed in genus Masdevallia: very dwarf plants having short tufted and usually unifoliate stems with usually solitary flowers
  6309. genus Dryas
    mountain avens
  6310. genus Drymarchon
    a genus of Colubridae
  6311. genus Drymoglossum
    epiphytic ferns of Madagascar to tropical Asia and New Guinea
  6312. genus Drynaria
    large robust epiphytic ferns of tropical forest and scrub
  6313. genus Dryopithecus
    genus of Old World hominoids; Miocene and Pliocene
  6314. genus Dryopteris
    large widespread genus of medium-sized terrestrial ferns
  6315. genus Drypis
    one species
  6316. genus Dugong
    type genus of the Dugongidae comprising only the dugongs
  6317. genus Dumetella
    catbirds
  6318. genus Durio
    a genus of tall Asian trees of the family Bombacaceae
  6319. genus Dusicyon
    crab-eating dog
  6320. genus Dysdercus
    a genus of slender long-legged bugs that feed on the developing seeds of cotton and stain it
  6321. genus Eacles
    imperial moths
  6322. genus Eburophyton
    a monocotyledonous genus of the family Orchidaceae
  6323. genus Ecballium
    exploding cucumber; squirting cucumber
  6324. genus Echeneis
    type genus of the Echeneididae: typical remoras
  6325. genus Echidnophaga
    a genus of Siphonaptera
  6326. genus Echinacea
    small genus of North American coarse perennial herbs
  6327. genus Echinocactus
    globular or cylindrical cacti
  6328. genus Echinocereus
    large genus of low-growing shrubby ribbed cacti of Mexico and southwestern United States
  6329. genus Echinochloa
    annual or perennial succulent grasses of warm regions
  6330. genus Echinococcus
    tapeworms
  6331. genus Echinops
    genus of Mediterranean and Eurasian herbs: globe thistles
  6332. genus Echium
    a genus of bristly herbs and shrubs of the family Boraginaceae
  6333. genus Ectopistes
    a genus of Columbidae
  6334. genus Edaphosaurus
    type genus of the Edaphosauridae
  6335. genus Edmontosaurus
    duck-billed dinosaurs of Canada
  6336. genus Egeria
    small genus of dioecious tropical aquatic plants
  6337. genus Egretta
    small Old and New World herons
  6338. genus Eichhornia
    water hyacinth; water orchid
  6339. genus Eimeria
    type genus of the family Eimeriidae
  6340. genus Eira
    a genus of Mustelidae
  6341. genus Elaeagnus
    oleaster
  6342. genus Elaeis
    oil palms
  6343. genus Elaeocarpus
    type genus of the family Elaeocarpaceae
  6344. genus Elagatis
    a genus of Carangidae
  6345. genus Elanoides
    a genus of kites
  6346. genus Elanus
    a genus of small kites of both Old and New Worlds
  6347. genus Elaphe
    North American rat snakes
  6348. genus Elaphurus
    a genus of Cervidae
  6349. genus Electrophorus
    type genus of the family Electrophoridae; electric eels
  6350. genus Eleocharis
    sedges having dense spikes of flowers and leaves reduced to basal sheaths
  6351. genus Elephantopus
    perennial American herb
  6352. genus Elephas
    type genus of the family Elephantidae
  6353. genus Elettaria
    cardamom
  6354. genus Eleusine
    annual and perennial grasses of savannas and upland grasslands
  6355. genus Eleutherodactylus
    completely terrestrial robber frogs
  6356. genus Eliomys
    lerots
  6357. genus Elodea
    submerged freshwater perennials
  6358. genus Elops
    type genus of the Elopidae: tenpounder
  6359. genus Elsholtzia
    genus of Asiatic and African aromatic herbs
  6360. genus Elymus
    tall tufted perennial grasses
  6361. genus Emberiza
    Old World buntings
  6362. genus Embothrium
    small genus of South American evergreen shrubs or small trees with long willowy branches and flowers in flamboyant terminal clusters
  6363. genus Emilia
    tropical African herbs
  6364. genus Emmanthe
    one species: yellow bells
  6365. genus Empetrum
    crowberries
  6366. genus Encelia
    genus of shrubs of southwestern United States and Mexico: brittlebush
  6367. genus Enceliopsis
    small genus of xerophytic herbs of southwestern United States
  6368. genus Encephalartos
    genus of arborescent African cycads
  6369. genus Encyclia
    large genus of epiphytic and lithophytic orchids of tropical and subtropical Americas and West Indies; formerly included in genus Epidendrum
  6370. genus Endamoeba
    the type genus of the family Endamoebidae
  6371. genus Engelmannia
    one species: North American herbs that resemble sunflowers
  6372. genus Engraulis
    type genus of the family Engraulidae
  6373. genus Enhydra
    sea otters
  6374. genus Ensete
    Old World tropical herbs: Abyssinian bananas
  6375. genus Ensis
    razor clams
  6376. genus Entandrophragma
    cedar mahogany trees
  6377. genus Entelea
    a genus of evergreen shrub that grows in New Zealand
  6378. genus Enterobius
    pinworms
  6379. genus Enterolobium
    small genus of tropical American timber trees closely allied to genus Albizia
  6380. genus Entoloma
    agarics with pink spores but lacking both volva and annulus
  6381. genus Entomophthora
    type genus of the Entomophthoraceae
  6382. genus Eoraptor
    primitive theropod found in Argentina; early Triassic
  6383. genus Epacris
    type genus of the Epacridaceae: Australian heath
  6384. genus Ephedra
    type and sole genus of Ephedraceae: tropical and subtropical evergreen shrubby or creeping plants native to dry and inhospitable regions
  6385. genus Ephestia
    small moths whose larvae spin silken tunnels and feed on stored food products
  6386. genus Ephippiorhynchus
    saddlebills
  6387. genus Epidendrum
    large and variable genus of terrestrial or epiphytic or lithophytic orchids of tropical and subtropical Americas; some native to United States
  6388. genus Epigaea
    small creeping evergreen shrubs: trailing arbutus
  6389. genus Epilachna
    genus of ladybugs native to Mexico and Central America
  6390. genus Epilobium
    large widely distributed genus of herbs and subshrubs of especially western North America and Arctic areas
  6391. genus Epimedium
    herbaceous perennials of Mediterranean to India and eastern Asia
  6392. genus Epinephelus
    genus of groupers or sea bass
  6393. genus Epipactis
    genus of hardy orchids with leafy-bracted racemes of greenish or purplish irregular flowers
  6394. genus Epiphyllum
    small genus of tropical American cacti
  6395. genus Epipremnum
    small genus of evergreen lianas of southeastern Asia to western Pacific areas
  6396. genus Episcia
    genus of tropical American herbs having soft hairy foliage
  6397. genus Eptatretus
    a genus of fossil fish of the family Myxinidae
  6398. genus Eptesicus
    a genus of Vespertilionidae
  6399. genus Equetus
    drumfish
  6400. genus Equisetum
    horsetails; coextensive with the family Equisetaceae
  6401. genus Equus
    type genus of the Equidae: only surviving genus of the family Equidae
  6402. genus Eragrostis
    annual or perennial grasses of tropics and subtropics
  6403. genus Eranthis
    winter aconite
  6404. genus Ercilla
    a genus of evergreen climbers
  6405. genus Erechtites
    coarse herbs with whitish discoid flower heads and silky pappus
  6406. genus Erethizon
    a genus of Erethizontidae
  6407. genus Eretmochelys
    hawksbills
  6408. genus Erianthus
    genus of reedlike grasses having spikes crowded in a panicle covered with long silky hairs
  6409. genus Erica
    large genus of low much-branched woody evergreens ranging from prostrate subshrubs to trees: true heaths
  6410. genus Erigeron
    cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally
  6411. genus Erignathus
    bearded seals
  6412. genus Erinaceus
    type genus of the family Erinaceidae: hedgehogs
  6413. genus Eriobotrya
    Asiatic evergreen fruit trees
  6414. genus Eriocaulon
    type genus of the Eriocaulaceae: rushlike aquatic or marginal perennials usually found in shallow waters of acid lakes and pools and bogs
  6415. genus Eriodictyon
    small genus of evergreen shrubs of southwestern United States and Mexico
  6416. genus Eriogonum
    North American herbs of the buckwheat family
  6417. genus Eriophorum
    cotton grass
  6418. genus Eriophyllum
    genus of hairy herbs and shrubs of western North America
  6419. genus Eriosoma
    woolly aphids
  6420. genus Erithacus
    Old World thrushes
  6421. genus Erodium
    geraniums of Europe and South America and Australia especially mountainous regions
  6422. genus Erolia
    a genus of Scolopacidae
  6423. genus Eruca
    annual to perennial herbs of the Mediterranean region
  6424. genus Erwinia
    a genus of bacteria
  6425. genus Eryngium
    large genus of decorative plants with thistlelike flower heads; cosmopolitan in distribution
  6426. genus Erysimum
    large genus of annual or perennial herbs some grown for their flowers and some for their attractive evergreen leaves; Old World and North America
  6427. genus Erysiphe
    genus of powdery mildews
  6428. genus Erythrina
    genus of attractive tropical shrubs or trees with usually red flowers
  6429. genus Erythrocebus
    patas
  6430. genus Erythronium
    perennial bulbous herbs most of northern United States: dogtooth violet; adder's tongue; trout lily; fawn lily
  6431. genus Erythroxylon
    a large genus of South American shrubs and small trees of the family Erythroxylaceae
  6432. genus Erythroxylum
    a large genus of South American shrubs and small trees of the family Erythroxylaceae
  6433. genus Escherichia
    a genus of bacteria
  6434. genus Eschrichtius
    type and sole genus of the Eschrichtiidae
  6435. genus Eschscholtzia
    showy herbs of western North America
  6436. genus Esox
    type and only genus of the family Esocidae
  6437. genus Estrilda
    avadavats
  6438. genus Etropus
    a genus of Bothidae
  6439. genus Euarctos
    American black bears
  6440. genus Eucalyptus
    tall trees native to the Australian region
  6441. genus Eucarya
    quandong trees
  6442. genus Eucinostomus
    a genus of Gerreidae
  6443. genus Euderma
    a genus of Vespertilionidae
  6444. genus Eudyptes
    rock hoppers
  6445. genus Eugenia
    tropical trees and shrubs with aromatic leaves and often valuable hard wood
  6446. genus Euglena
    type genus of the family Euglenaceae: green algae with a single flagellum
  6447. genus Eumeces
    New World skinks
  6448. genus Eumenes
    mason wasps
  6449. genus Eumetopias
    sea lions
  6450. genus Eumops
    mastiff bats
  6451. genus Eunectes
    anacondas
  6452. genus Euonymus
    widely distributed chiefly evergreen shrubs or small trees or vines
  6453. genus Eupatorium
    large genus of chiefly tropical herbs having heads of white or purplish flowers
  6454. genus Euphagus
    a genus of Icteridae
  6455. genus Euphorbia
    type genus of the Euphorbiaceae: very large genus of diverse plants all having milky juice
  6456. genus Euphractus
    a genus of Dasypodidae
  6457. genus Euplectella
    a genus of Hyalospongiae
  6458. genus Euproctis
    a genus of Lymantriidae
  6459. genus Eurotium
    a genus of fungi belonging to the order Eurotiales
  6460. genus Euryale
    basket stars
  6461. genus Eustoma
    small genus of herbs of warm regions of southern North America to northern South America
  6462. genus Eutamias
    chipmunks of western America and Asia
  6463. genus Euterpe
    a monocotyledonous genus of graceful palm trees in tropical America
  6464. genus Euthynnus
    a genus of Scombridae
  6465. genus Evernia
    lichens of the family Usneaceae having a pendulous or shrubby thallus
  6466. genus Exacum
    genus of tropical Asiatic and African plants: especially Persian violets
  6467. genus Exaeretodon
    a genus of reptiles of the division Cynodontia
  6468. genus Fabiana
    genus of South and Central American heathlike evergreen shrubs
  6469. genus Fagopyrum
    buckwheat
  6470. genus Fagus
    beeches
  6471. genus Falcatifolium
    sickle pines: dioecious evergreen tropical trees and shrubs having sickle-shaped leaves; similar to Dacrycarpus in habit; Malaysia and Philippines to New Guinea and New Caledonia
  6472. genus Falco
    a genus of Falconidae
  6473. genus Fasciola
    a genus of Fasciolidae
  6474. genus Fasciolopsis
    a genus of Fasciolidae
  6475. genus Feijoa
    small South American shrubs or trees
  6476. genus Felicia
    genus of tropical African herbs or subshrubs with usually blue flowers
  6477. genus Felis
    type genus of the Felidae: true cats and most wildcats
  6478. genus Ferocactus
    genus of nearly globular cacti of Mexico and southwestern United States: barrel cacti
  6479. genus Festuca
    a genus of tufted perennial grasses of the family Gramineae
  6480. genus Ficus
    large genus of tropical trees or shrubs or climbers including fig trees
  6481. genus Filago
    genus of small woolly herbs
  6482. genus Firmiana
    small genus of Asian trees or shrubs
  6483. genus Fissurella
    type genus of the family Fissurellidae: keyhole limpets
  6484. genus Fistularia
    type genus of the family Fistulariidae
  6485. genus Fistulina
    fungi having each pore separate though crowded
  6486. genus Flacourtia
    often spiny trees or shrubs of tropical Asia and Africa
  6487. genus Flammulina
    a genus of agarics
  6488. genus Flindersia
    small genus of Australian timber trees
  6489. genus Foeniculum
    very small genus of aromatic European herbs with pinnately compound leaves and yellow flowers
  6490. genus Fomes
    genus of bracket fungi forming corky or woody perennial shelflike sporophores often of large size; includes some that cause destructive heartrot in trees
  6491. genus Forestiera
    genus of often spiny American shrubs and trees
  6492. genus Forficula
    type genus of Forficulidae
  6493. genus Formica
    type genus of the Formicidae
  6494. genus Formicarius
    type genus of the Formicariidae
  6495. genus Forsythia
    forsythia
  6496. genus Fortunella
    small genus of shrubs native to south China producing small ovoid fruits resembling oranges: includes kumquats
  6497. genus Fossa
    monotypic genus of Madagascar civets closely related to palm civets
  6498. genus Fothergilla
    small genus of deciduous shrubs of the southeastern United States
  6499. genus Fouquieria
    resinous succulent trees or shrubs of desert and semidesert regions of southwestern United States that are leafless most of the year
  6500. genus Fragaria
    strawberries
  6501. genus Francoa
    perennial evergreen herbs with white or pink flowers; Chile
  6502. genus Frankliniella
    tobacco thrips
  6503. genus Frasera
    genus of North American herbs: columbo
  6504. genus Fratercula
    puffins
  6505. genus Fraxinus
    ash
  6506. genus Freesia
    cormous perennial herbs; native to South Africa
  6507. genus Fregata
    type genus of the Fregatidae
  6508. genus Fremontia
    flannelbush
  6509. genus Fremontodendron
    flannelbush
  6510. genus Fringilla
    type genus of the Fringillidae: chaffinch, brambling
  6511. genus Fritillaria
    fritillary
  6512. genus Froelichia
    genus of erect or procumbent herbs of the Americas having spikes of woolly white flowers: cottonweed
  6513. genus Fuchsia
    large genus of decorative tropical shrubs with pendulous tetramerous flowers
  6514. genus Fucus
    type genus of the family Fucaceae: cartilaginous brown algae
  6515. genus Fulica
    coots
  6516. genus Fulmarus
    fulmars
  6517. genus Fumaria
    annual herbs whose flowers have only one petal spurred at the base
  6518. genus Fundulus
    killifish
  6519. genus Fungia
    a genus comprising the usual mushroom corals
  6520. genus Funka
    robust east Asian clump-forming perennial herbs having racemose flowers: plantain lilies; sometimes placed in family Hostaceae
  6521. genus Furnarius
    type genus of the family Furnariidae: ovenbirds
  6522. genus Fusanus
    quandong trees
  6523. genus Fusarium
    a form genus of mostly plant parasites some of which cause dry rot; in humans a species can cause inflammation of cornea leading to blindness
  6524. genus Fuscoboletinus
    a genus of fungi belonging to the family Boletaceae
  6525. genus Gadus
    type genus of the Gadidae: the typical codfishes
  6526. genus Gaillardia
    genus of western American hairy herbs with showy flowers
  6527. genus Galago
    bush babies
  6528. genus Galax
    evergreen herbs of southeastern United States
  6529. genus Galega
    small genus of Eurasian herbs: goat's rue
  6530. genus Galeocerdo
    tiger sharks
  6531. genus Galeopsis
    erect annual European herbs
  6532. genus Galeorhinus
    a genus of Carcharhinidae
  6533. genus Galictis
    alternative name for the genus Grison
  6534. genus Galium
    annual or perennial herbs: bedstraw; cleavers
  6535. genus Galleria
    a genus of Pyralidae
  6536. genus Gallinago
    snipes
  6537. genus Gallinula
    gallinules
  6538. genus Gallirallus
    rails of New Zealand
  6539. genus Gallus
    common domestic birds and related forms
  6540. genus Gambelia
    leopard lizards
  6541. genus Gambusia
    mosquitofish
  6542. genus Garcinia
    evergreen trees and shrubs: mangosteens
  6543. genus Gardenia
    large genus of attractive Old World tropical shrubs and small trees
  6544. genus Garrulus
    type genus of the Garrulinae: Old World jays
  6545. genus Gasterophilus
    type genus of the Gasterophilidae: horse botflies
  6546. genus gasterosteus
    type genus of the family Gasterosteidae
  6547. genus Gastroboletus
    a genus of fungi belonging to the family Secotiaceae
  6548. genus Gastrocybe
    a genus of fungi of the family Secotiaceae
  6549. genus Gastrolobium
    genus of Australian evergreen shrubs poisonous to livestock: poison bush
  6550. genus Gastrophryne
    primarily tropical narrow-mouthed toads
  6551. genus Gaultheria
    widely distributed genus of creeping or upright evergreen shrubs
  6552. genus Gavia
    type genus of the Gavidae: loons
  6553. genus Gavialis
    type genus of the Gavialidae
  6554. genus Gaylussacia
    deciduous or evergreen shrubs of North America: black huckleberries
  6555. genus Gazania
    genus of tomentose tropical African herbs with milky sap
  6556. genus Gazella
    typical gazelles
  6557. genus Geastrum
    type genus of Geastraceae
  6558. genus Gelechia
    type genus of the Gelechiidae: pink bollworms
  6559. genus Gelsemium
    evergreen twining shrubs of Americas and southeastern Asia
  6560. genus Gempylus
    type genus of the Gempylidae
  6561. genus Genetta
    genets
  6562. genus Genipa
    tropical American evergreen trees or shrubs bearing yellow flowers and succulent edible fruit with a thick rind
  6563. genus Genista
    chiefly deciduous shrubs or small trees of Mediterranean area and western Asia: broom
  6564. genus Genlisea
    small genus of carnivorous plants of tropical African swamps
  6565. genus Gentiana
    type genus of the Gentianaceae
  6566. genus Gentianella
    genus of herbs with flowers that resemble gentian
  6567. genus Gentianopsis
    genus of fringed gentians
  6568. genus Genyonemus
    a genus of Sciaenidae
  6569. genus Geochelone
    giant tortoises
  6570. genus Geococcyx
    roadrunners
  6571. genus Geoffroea
    small genus of shrubs or small trees of tropical and subtropical America
  6572. genus Geoglossum
    type genus of the Geoglossaceae comprising the earthtongues
  6573. genus Geomys
    type genus of the Geomyidae
  6574. genus Geophilus
    type genus of the Geophilidae: a cosmopolitan genus of centipedes sometimes called earwigs
  6575. genus Geothlypis
    yellowthroats
  6576. genus Geranium
    genus of mostly North American geraniums: cranesbills
  6577. genus Gerardia
    genus of annual or perennial herbs with showy pink or purple or yellow flowers; plants often assigned to genera Aureolaria or Agalinis
  6578. genus Gerbera
    genus of South African or Asiatic herbs: African daisies
  6579. genus Gerbillus
    type genus of the Gerbillinae: typical gerbils
  6580. genus Gerea
    small genus of hairy herbs with yellow flowers
  6581. genus Gerres
    type genus of the Gerreidae
  6582. genus Gerrhonotus
    alligator lizards
  6583. genus Gerris
    type genus of the Gerrididae
  6584. genus Gesneria
    large genus of tropical American herbs having showy tubular flowers
  6585. genus Geum
    avens
  6586. genus Giardia
    flagellates parasitic in intestines of vertebrates
  6587. genus Ginglymostoma
    nurse sharks
  6588. genus Ginkgo
    sole surviving genus of the Ginkgoaceae
  6589. genus Giraffa
    type genus of the Giraffidae
  6590. genus Gladiolus
    gladiolas
  6591. genus Glareola
    type genus of the Glareolidae: the pratincoles
  6592. genus Glaucium
    herbs of Europe and North Africa and Asia: horned poppy
  6593. genus Glaucomys
    New World flying squirrels
  6594. genus Glaux
    sea milkwort
  6595. genus Glechoma
    ground ivy
  6596. genus Gleditsia
    deciduous trees: honey locusts
  6597. genus Gleichenia
    type genus of Gleicheniaceae: leptosporangiate ferns with sessile sporangia; South Africa to Malaysia and New Zealand
  6598. genus Gliricidia
    small genus of low-branching profusely flowering trees of tropical America
  6599. genus Glis
    type genus of the Gliridae
  6600. genus Globicephala
    pilot whales
  6601. genus Globigerina
    type genus of the family Globigerinidae
  6602. genus Gloriosa
    sometimes placed in family Colchicaceae
  6603. genus Glossina
    type genus of the Glossinidae: tsetse flies
  6604. genus Glossodia
    small genus of Australian orchids
  6605. genus Glossopsitta
    a genus of Loriinae
  6606. genus Gloxinia
    small genus of tropical American herbs with leafy stems and axillary flowers
  6607. genus Glyceria
    manna grass
  6608. genus Glycine
    genus of Asiatic erect or sprawling herbs: soya bean
  6609. genus Glycyrrhiza
    sticky perennial Eurasian herbs
  6610. genus Gnaphalium
    large widely distributed genus of coarse hairy herbs with whitish involucres
  6611. genus Gnetum
    type genus of the Gnetaceae
  6612. genus Gobiesox
    type genus of the Gobiesocidae
  6613. genus Gobio
    true gudgeons
  6614. genus Gomphotherium
    type genus of the Gomphotheriidae
  6615. genus Gomphrena
    genus of tropical herbs or subshrubs having flowers in close heads; tropical America and Australia
  6616. genus Goniopteris
    terrestrial ferns of Florida and West Indies to Central and South America
  6617. genus Gonorhynchus
    slender cylindrical marine fishes lacking air bladders and teeth
  6618. genus Goodyera
    genus of small orchids of the northern hemisphere with creeping rhizomes and stalked ovate leaves and small flowers
  6619. genus Gopherus
    gopher tortoises
  6620. genus Gorgonocephalus
    basket stars
  6621. genus Gorilla
    gorillas
  6622. genus Gossypium
    herbs and shrubs and small trees: cotton
  6623. genus Gracula
    mynas
  6624. genus Grammatophyllum
    small genus of large epiphytic or terrestrial orchids of southeastern Asia to Polynesia; the giants of the Orchidaceae having long narrow leaves and drooping flower clusters often 6 feet long
  6625. genus Grampus
    grampus
  6626. genus Graptophyllum
    caricature plant
  6627. genus Grevillea
    large genus of Australian shrubs and trees having usually showy orange or red flowers
  6628. genus Grewia
    a genus of tropical and subtropical Old World climbers or shrubs or trees
  6629. genus Grias
    anchovy pear tree
  6630. genus Grindelia
    large genus of coarse gummy herbs of western North and Central America
  6631. genus Griselinia
    evergreen shrubs of New Zealand and South America
  6632. genus Grison
    a genus of Mustelidae
  6633. genus Groenlandia
    a monocotyledonous genus of the family Potamogetonaceae
  6634. genus Grus
    type genus of the Gruidae: typical cranes
  6635. genus Guaiacum
    small genus of evergreen resinous trees or shrubs of warm and tropical America
  6636. genus Guevina
    one species: Chilean nut
  6637. genus Gulo
    a genus of Mustelidae
  6638. genus Gutierrezia
    sticky perennial herbs and subshrubs of western North America and warm South America
  6639. genus Gymnadenia
    small genus of terrestrial orchids of North America and temperate Eurasia
  6640. genus Gymnadeniopsis
    genus of North American terrestrial orchids usually included in genus Habenaria
  6641. genus Gymnelis
    a genus of Zoarcidae
  6642. genus Gymnocalycium
    large genus of low-growing globular South American cacti with spiny ribs covered with many tubercles
  6643. genus Gymnocarpium
    oak ferns: in some classification systems included in genus Thelypteris
  6644. genus Gymnocladus
    small genus of deciduous trees of China and United States having paniculate flowers and thick pulpy pods
  6645. genus Gymnogyps
    containing solely the California condor
  6646. genus Gymnopilus
    a genus of fungus characterized by the orange color of the spore deposit
  6647. genus Gymnorhina
    in some classifications placed in the family Laniidae: Australian piping crows
  6648. genus Gymnosporangium
    genus of fungi that produce galls on cedars and other conifers of genera Juniperus and Libocedrus and causes rust spots on apples and pears and other plants of family Rosaceae
  6649. genus Gymnura
    butterfly rays
  6650. genus Gynura
    genus of Old World tropical herbs: velvet plants
  6651. genus Gypaetus
    in some classifications the type genus of the family Aegypiidae
  6652. genus Gyps
    a genus of Accipitridae
  6653. genus Gypsophila
    Mediterranean herbs having small white or pink flowers
  6654. genus Gyromitra
    a genus of fungi of the family Helvellaceae with a fertile portion that is tan to brown
  6655. genus Haastia
    genus of New Zealand mat-forming herbs or subshrubs: vegetable sheep
  6656. genus Habenaria
    chiefly terrestrial orchids with tubers or fleshy roots often having long slender spurs and petals and lip lobes; includes species formerly placed in genus Gymnadeniopsis
  6657. genus Hackelia
    stickweed; beggar's lice
  6658. genus Haemanthus
    genus of African deciduous or evergreen bulbous herbs: blood lilies
  6659. genus Haematobia
    European genus of bloodsucking flies
  6660. genus Haematopus
    oystercatchers
  6661. genus Haematoxylon
    small genus of tropical American spiny bushy shrubs or trees
  6662. genus Haematoxylum
    small genus of tropical American spiny bushy shrubs or trees
  6663. genus Haemodorum
    type genus of family Haemodoraceae
  6664. genus Haemopis
    leeches
  6665. genus Haemoproteus
    type genus of the family Haemoproteidae
  6666. genus Haemulon
    type genus of the Haemulidae
  6667. genus Hakea
    Australian shrubs and small trees with evergreen usually spiny leaves and dense clusters of showy flowers
  6668. genus Halcyon
    a large kingfisher widely distributed in warmer parts of the Old World
  6669. genus Haldea
    ground snakes
  6670. genus Halenia
    genus of herbs of Eurasia and the Americas: spurred gentians
  6671. genus Halesia
    deciduous small trees or shrubs of China and eastern North America
  6672. genus Haliaeetus
    a genus of Accipitridae
  6673. genus Halicoeres
    a genus of Labridae
  6674. genus Halimodendron
    one species: salt tree
  6675. genus Haliotis
    type genus of the family Haliotidae
  6676. genus Halocarpus
    dioecious trees or shrubs of New Zealand
  6677. genus Halogeton
    a caryophyllaceous genus of the family Chenopodiaceae
  6678. genus Hamamelidanthum
    genus of fossil plants of the Oligocene having flowers resembling those of the witch hazel; found in Baltic region
  6679. genus Hamamelidoxylon
    genus of fossil plants having wood identical with or similar to that of the witch hazel
  6680. genus Hamamelis
    deciduous shrubs or small trees: witch hazel
  6681. genus Hamamelites
    genus of fossil plants having leaves similar to those of the witch hazel
  6682. genus Hamelia
    evergreen tropical American shrubs or small trees
  6683. genus Haminoea
    common genus of marine bubble shells of the Pacific coast of North America
  6684. genus Haplopappus
    genus of North and South American perennial herbs or shrubs with yellow flowers; in some classifications include species placed in other genera especially Hazardia
  6685. genus Hardenbergia
    small genus of Australian woody vines with small violet flowers; closely related to genus Kennedia
  6686. genus Harpia
    a genus of Accipitridae
  6687. genus Harpullia
    genus of tropical Asiatic and African trees
  6688. genus Harrisia
    genus of slender often treelike spiny cacti with solitary showy nocturnal white or pink flowers; Florida and Caribbean to South America
  6689. genus Hatiora
    small genus of South American epiphytic or lithophytic cacti
  6690. genus Hazardia
    small genus of shrubs and subshrubs of western United States having flowers that change color as they mature
  6691. genus Hedeoma
    small genus of American herbs (American pennyroyal)
  6692. genus Hedera
    Old World woody vines
  6693. genus Hedysarum
    genus of herbs of north temperate regions
  6694. genus Helenium
    genus of American herbs with flowers having yellow rays: sneezeweeds
  6695. genus Heleodytes
    alternative classifications for the cactus wrens
  6696. genus Heliamphora
    genus of pitcher plants of the Guiana Highlands in South America
  6697. genus Helianthemum
    widely distributed evergreen or semi-evergreen shrublets
  6698. genus Helianthus
    genus of tall erect or branched American annual or perennial herbs with showy flowers: sunflowers
  6699. genus Helichrysum
    large genus of mostly African and Australian herbs and shrubs: everlasting flowers; in some classifications includes genus Ozothamnus
  6700. genus Helicteres
    genus of shrubs and small trees of tropical America and Asia having cylindrical fruits spirally twisted around one another
  6701. genus Heliobacter
    a genus of helical or curved or straight aerobic bacteria with rounded ends and multiple flagella; found in the gastric mucosa of primates (including humans)
  6702. genus Heliophila
    genus of South African flowering herbs and subshrubs
  6703. genus Heliopsis
    oxeye
  6704. genus Heliothis
    a genus of Noctuidae
  6705. genus Helipterum
    genus of South African and Australian herbs or shrubs grown as everlastings; the various Helipterum species are currently in process of being assigned to other genera especially genera Pteropogon and Hyalosperma
  6706. genus Helix
    type genus of the family Helicidae
  6707. genus Helleborus
    a genus of Helleborus
  6708. genus Helminthostachys
    one species: terrestrial fern of southeastern Asia and Australia
  6709. genus Heloderma
    type genus of the Helodermatidae; American venomous lizards
  6710. genus Helotium
    type genus of the Helotiaceae
  6711. genus Helvella
    type genus of the Helvellaceae
  6712. genus Helwingia
    deciduous dioecious shrubs native to woodland thickets in low mountains in Japan
  6713. genus Helxine
    one species; a dwarf creeping mat-forming evergreen herb
  6714. genus Hemachatus
    ringhals
  6715. genus Hemerocallis
    east Asian rhizomatous clump-forming perennial herbs having flowers on long leafless stalks; cosmopolitan in cultivation: day lilies; sometimes placed in subfamily Hemerocallidaceae
  6716. genus Hemigalus
    banded palm civets
  6717. genus Hemigrammus
    tetras
  6718. genus Hemipteronatus
    razor fish
  6719. genus Hemitripterus
    sea ravens
  6720. genus Hepatica
    small genus of perennial herbs of north temperate regions
  6721. genus Heracleum
    widely distributed genus of plants with usually thick rootstocks and large umbels of white flowers
  6722. genus Heritiera
    small genus of timber trees of eastern Asia, Australasia and tropical Africa that form large buttresses
  6723. genus Hermannia
    genus of African herbs and subshrubs having honey-scented bell-shaped flowers
  6724. genus Hermissenda
    genus of marine sea slugs
  6725. genus Hernaria
    low-growing Old World herbs with minute bright green leaves
  6726. genus Herpestes
    mongooses
  6727. genus Herrerasaurus
    primitive theropod found in Argentina; early Triassic
  6728. genus Hesperiphona
    evening grosbeak
  6729. genus Hesperis
    biennial or perennial erect herbs having nocturnally fragrant flowers
  6730. genus Heteranthera
    mud plantains
  6731. genus Heterocephalus
    sand rats
  6732. genus Heterodon
    a genus of small colubrid snakes containing the North American hognose snakes
  6733. genus Heteromeles
    one species: toyon
  6734. genus Heteroscelus
    tattlers
  6735. genus Heterotheca
    genus of yellow-flowered North American herbs
  6736. genus Heuchera
    genus of North American herbs with basal cordate or orbicular leaves and small panicled flowers
  6737. genus Hevea
    small genus of South American trees yielding latex
  6738. genus Hexagrammos
    type genus of the Hexagrammidae
  6739. genus Hexalectris
    a monocotyledonous genus of the family Orchidaceae
  6740. genus Hexamita
    flagellates free-living or parasitic in intestines of birds
  6741. genus Hexanchus
    a genus of Hexanchidae
  6742. genus Hibbertia
    evergreen heathlike or scandent shrubs of Madagascar
  6743. genus Hibiscus
    large genus of tropical and subtropical herbs and shrubs and trees often grown as ornamentals for their profusion of large flowers in a variety of colors
  6744. genus Hieracium
    large genus of perennial hairy herbs of Europe to western Asia to northwestern Africa and North America; few are ornamental; often considered congeneric with Pilosella
  6745. genus Himantoglossum
    small genus of terrestrial orchids of Europe and Mediterranean region
  6746. genus Himantopus
    major one of two genera of stilts
  6747. genus Hippeastrum
    bulbous flowering plants of tropical America
  6748. genus Hippobosca
    type genus of the Hippoboscidae
  6749. genus Hippocampus
    seahorses
  6750. genus Hippocrepis
    species of Old World herbs or subshrubs: horseshoe vetch
  6751. genus Hippodamia
    genus of ladybugs
  6752. genus Hippoglossoides
    a genus of Pleuronectidae
  6753. genus Hippoglossus
    halibuts
  6754. genus Hippopotamus
    type genus of the Hippopotamidae
  6755. genus Hipposideros
    horseshoe bats
  6756. genus Hippotragus
    sable antelopes
  6757. genus Hipsurus
    a genus of Embiotocidae
  6758. genus Hirudo
    type genus of the family Hirudinidae
  6759. genus Hirundo
    type genus of the Hirundinidae
  6760. genus Hoheria
    small genus of shrubs and small trees of New Zealand: lacebarks
  6761. genus Holarrhena
    genus of deciduous trees and shrubs of tropical Africa and Asia
  6762. genus Holbrookia
    earless lizards
  6763. genus Holcus
    a genus of Old World grasses widely cultivated in America
  6764. genus Holocentrus
    type genus of the family Holocentridae; squirrelfishes
  6765. genus Holothuria
    type genus of the Holothuridae
  6766. genus Homarus
    type genus of the family Homaridae: common edible lobsters
  6767. genus Homo
    type genus of the family Hominidae
  6768. genus Homogyne
    small genus of low perennial herbs of montane Europe
  6769. genus Homona
    tea tortrix
  6770. genus Hordeum
    annual to perennial grasses of temperate northern hemisphere and South America: barley
  6771. genus Horneophyton
    Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller
  6772. genus Hosta
    robust east Asian clump-forming perennial herbs having racemose flowers: plantain lilies; sometimes placed in family Hostaceae
  6773. genus Hottonia
    aquatic herbs
  6774. genus Houttuynia
    one species; east Asian low-growing plant of wet places
  6775. genus Hovea
    genus of Australian evergreen shrubs
  6776. genus Hoya
    large genus of climbing shrubs of Australia and Asia and Polynesia
  6777. genus Hudsonia
    small evergreen subshrubs of North America
  6778. genus Hugueninia
    one species: tansy-leaved rocket
  6779. genus Hulsea
    small genus of erect balsam-scented herbs
  6780. genus Humulus
    hops: hardy perennial vines of Europe, North America and central and eastern Asia producing a latex sap; in some classifications included in the family Urticaceae
  6781. genus Hunnemania
    one species: golden cup
  6782. genus Hyacinthoides
    small genus of perennial bulbs of western Europe and North Africa; sometimes placed in family Hyacinthaceae
  6783. genus Hyacinthus
    sometimes placed in family Hyacinthaceae as the type genus
  6784. genus Hyaena
    type genus of the Hyaenidae
  6785. genus Hyalophora
    American silkworm moth
  6786. genus Hyalosperma
    genus of herbs of temperate Australia including some from genus Helipterum
  6787. genus Hybanthus
    a genus of herbs and small shrubs with white or purple flowers; grows in tropical or subtropical regions
  6788. genus Hydnocarpus
    medium to large Indonesian and Malaysian trees
  6789. genus Hydnum
    type genus of Hydnaceae
  6790. genus Hydra
    hydras
  6791. genus Hydrangea
    type genus of Hydrangeaceae
  6792. genus Hydrastis
    small genus of perennial herbs having rhizomes and palmate leaves and small solitary flowers; of northeastern United States and Japan
  6793. genus Hydrilla
    one species
  6794. genus Hydrobates
    type genus of the Hydrobatidae
  6795. genus Hydrocharis
    frogbit
  6796. genus Hydrochoerus
    a genus of Hydrochoeridae
  6797. genus Hydrodamalis
    a genus of the family Dugongidae comprising only Steller's sea cow
  6798. genus Hydromantes
    web-toed salamanders
  6799. genus Hydromys
    water rats
  6800. genus Hydrophyllum
    waterleaf
  6801. genus Hyemoschus
    water chevrotains
  6802. genus Hygrocybe
    a genus of fungi belonging to the family Hygrophoraceae
  6803. genus Hygrophorus
    a genus of fungi belonging to the family Hygrophoraceae
  6804. genus Hygrotrama
    a genus of fungi belonging to the family Hygrophoraceae
  6805. genus Hyla
    the type genus of the Hylidae; tree toads
  6806. genus Hylactophryne
    barking frogs
  6807. genus Hylobates
    gibbons
  6808. genus Hylocereus
    genus of climbing or epiphytic tropical American cacti with angular stems and mostly white very fragrant flowers
  6809. genus Hylocichla
    American thrush: wood thrush; hermit thrush; veery
  6810. genus Hylophylax
    a genus of Formicariidae
  6811. genus Hymenaea
    genus of tropical American timber trees
  6812. genus Hymenanthera
    a genus of slender evergreen shrubs
  6813. genus Hymenophyllum
    type genus of the Hymenophyllaceae: filmy ferns
  6814. genus Hynerpeton
    earliest fossil amphibian ever found
  6815. genus Hyoscyamus
    genus of poisonous herbs: henbane
  6816. genus Hypentelium
    a genus of fish in the family Catostomidae
  6817. genus Hypericum
    large almost cosmopolitan genus of evergreen or deciduous shrubs and herbs with often showy yellow flowers; cosmopolitan except tropical lowlands and Arctic or high altitudes and desert regions
  6818. genus Hyperoglyphe
    a genus of Stromateidae
  6819. genus Hyperoodon
    bottle-nosed whales
  6820. genus Hyphantria
    fall webworms
  6821. genus Hypochaeris
    widely distributed genus of herbs with milky juice
  6822. genus Hypochoeris
    widely distributed genus of herbs with milky juice
  6823. genus Hypoderma
    in some classifications considered the type genus of the family Hypodermatidae: warble flies
  6824. genus Hypopachus
    sheep frogs
  6825. genus Hypopitys
    term used in some classifications for the pinesaps, which are usually included in the genus Monotropa
  6826. genus Hypoxis
    small plants that resemble amaryllis and that grow from a corm and bear flowers on a leafless stalk; sometimes classified as member of the family Amaryllidaceae: star grass
  6827. genus Hypsiglena
    night snakes
  6828. genus Hypsiprymnodon
    musk kangaroos
  6829. genus Hyracotherium
    extinct horse genus; formerly called eohippus
  6830. genus Hyssopus
    Eurasian genus of perennial herbs or subshrubs
  6831. genus Iberis
    Old World herbs and subshrubs: candytuft
  6832. genus Ibero-mesornis
    a genus of fossil bird of the subclass Archaeornithes
  6833. genus Ibis
    ibises
  6834. genus Ichthyosaurus
    type genus of the Ichthyosauridae
  6835. genus Ichthyostega
    second earliest fossil amphibian ever found
  6836. genus Ictalurus
    channel catfishes
  6837. genus Icteria
    New World chats
  6838. genus Icterus
    type genus of the Icteridae
  6839. genus Ictiobus
    buffalo fishes
  6840. genus Ictonyx
    a genus of Mustelidae
  6841. genus Idesia
    one species
  6842. genus Iguana
    type genus of the Iguanidae
  6843. genus Iguanodon
    type genus of the Iguanodontidae
  6844. genus Ilex
    a large genus of dicotyledonous trees and shrubs of the family Aquifoliaceae that have small flowers and berries (including hollies)
  6845. genus Iliamna
    small genus of perennial herbs or subshrubs
  6846. genus Illecebrum
    one species: coral necklace
  6847. genus Illicium
    anise trees: evergreen trees with aromatic leaves
  6848. genus Impatiens
    annual or perennial herbs with stems more or less succulent
  6849. genus Inachis
    a genus of Nymphalidae
  6850. genus Indigofera
    genus of tropical herbs and shrubs having odd-pinnate leaves and spurred flowers in long racemes or spikes
  6851. genus Indri
    type genus of the Indriidae
  6852. genus Inga
    genus of tropical trees or shrubs
  6853. genus Inula
    genus of Old World herbs or subshrubs: elecampane
  6854. genus Ipomoea
    morning glory
  6855. genus Irena
    type genus of the Irenidae: fairy bluebirds
  6856. genus Iresine
    genus of tropical American herbs or subshrubs
  6857. genus Iridoprocne
    a genus of Hirundinidae
  6858. genus Iris
    large genus of perennials that develop from bulbs or rhizomes
  6859. genus Irvingia
    wild mango
  6860. genus Isatis
    Old World genus of annual to perennial herbs: woad
  6861. genus Ischigualastia
    early reptile found in Argentina
  6862. genus Isoetes
    type and genus of the Isoetaceae and sole extant genus of the order Isoetales
  6863. genus Isopyrum
    tufted perennial herbs of northern hemisphere
  6864. genus Istiophorus
    type genus of the Istiophoridae
  6865. genus Isurus
    mako sharks
  6866. genus Iva
    small genus of American herbs or shrubs
  6867. genus Ixia
    a monocotyledonous genus of the family Iridaceae
  6868. genus Ixobrychus
    bitterns
  6869. genus Ixodes
    type genus of the family Ixodidae
  6870. genus Jabiru
    jabirus
  6871. genus Jacksonia
    genus of yellow-flowered Australian unarmed or spiny shrubs without true leaves but having leaflike stems or branches
  6872. genus Jacquinia
    sometimes placed in family Myrsinaceae
  6873. genus Jaculus
    jerboas
  6874. genus Jambos
    used in some classifications for rose apples
  6875. genus Jamesonia
    xerophytic ferns of South America
  6876. genus Jasminum
    shrubs and woody climbers mostly of tropical and temperate Old World: jasmine; jessamine
  6877. genus Jatropha
    a mainly tropical genus of American plant belonging to the family Euphorbiaceae
  6878. genus Jordanella
    flagfishes
  6879. genus Juglans
    type genus of the Juglandaceae
  6880. genus Junco
    American finches
  6881. genus Juncus
    type genus of the Juncaceae
  6882. genus Juniperus
    junipers
  6883. genus Jynx
    wrynecks
  6884. genus Kakatoe
    a genus of Psittacidae
  6885. genus Kalmia
    erect evergreen shrubs: mountain laurel
  6886. genus Kalotermes
    type genus of Kalotermitidae
  6887. genus Katsuwonus
    oceanic bonitos
  6888. genus Kennedia
    genus of Australian woody vines having showy red or purplish flowers
  6889. genus Kennedya
    genus of Australian woody vines having showy red or purplish flowers
  6890. genus Kenyapithecus
    extinct primate having powerful chewing muscles along with large molars and small incisors; fossils found in Kenya
  6891. genus Keteleeria
    a genus of keteleeria
  6892. genus Khaya
    African mahogany trees
  6893. genus Kiggelaria
    small genus of South African shrubs or small trees
  6894. genus Kinosternon
    type genus of the Kinosternidae
  6895. genus Kirkia
    small genus of tropical South African trees and shrubs
  6896. genus Klebsiella
    a genus of bacteria
  6897. genus Knightia
    small genus of trees or shrubs of New Zealand and New Caledonia
  6898. genus Kniphofia
    genus of showy clump-forming African herbs with grasslike leaves; sometimes placed in family Aloeaceae
  6899. genus Kobus
    African antelopes: waterbucks
  6900. genus Kochia
    summer cypress
  6901. genus Koellia
    American mountain mint
  6902. genus Kogia
    pygmy sperm whales
  6903. genus Kohleria
    genus of tropical American shrubs
  6904. genus Kolkwitzia
    Chinese genus of 1 species: beauty bush
  6905. genus Kosteletzya
    small genus of herbs of southeastern United States and tropical America and Africa
  6906. genus Krigia
    small herbs closely related to chicory: dwarf dandelions
  6907. genus Krypterophaneron
    a genus of fish in the family Anomalopidae
  6908. genus Kyphosus
    type genus of the Kyphosidae
  6909. genus Lablab
    one species: hyacinth bean
  6910. genus Laburnum
    flowering shrubs or trees having bright yellow flowers
  6911. genus Laccopetalum
    one species: giant buttercup
  6912. genus Lacerta
    type genus of the Lacertidae
  6913. genus Lachnolaimus
    a genus of Labridae
  6914. genus Lactarius
    large genus of agarics that have white spore and contain a white or milky juice when cut or broken; includes both edible and poisonous species
  6915. genus Lactobacillus
    type genus of the family Lactobacillaceae
  6916. genus Lactophrys
    a genus of Ostraciidae
  6917. genus Lactuca
    an herb with milky juice: lettuce; prickly lettuce
  6918. genus Laelia
    large genus of mostly epiphytic or lithophytic Central and South American orchids of various sizes
  6919. genus Lagarostrobus
    genus of dioecious evergreen trees of New Zealand and Tasmania; similar to genus Dacrydium
  6920. genus Lagenaria
    bottle gourds
  6921. genus Lagenophera
    small genus of herbs of Australia and South America having small solitary white or purple flowers similar to true daisies of genus Bellis
  6922. genus Lagerstroemia
    shrubs or small trees of tropical Asia and Africa usually with showy white, pink, or purplish flowers
  6923. genus Lagidium
    a genus of Chinchillidae
  6924. genus Lagodon
    a genus of Sparidae
  6925. genus Lagopus
    ptarmigans
  6926. genus Lagorchestes
    hare wallabies
  6927. genus Lagostomus
    viscachas
  6928. genus Lagothrix
    woolly monkeys
  6929. genus Laguncularia
    a genus of Laguncularia
  6930. genus Lama
    llamas
  6931. genus Lambertia
    small genus of Australian shrubs
  6932. genus Lambis
    scorpion shells of shallow tropical waters of the eastern hemisphere
  6933. genus Laminaria
    type genus of the family Laminariaceae: perennial brown kelps
  6934. genus Lamium
    genus of Old World herbs: dead nettles; henbits
  6935. genus Lamna
    a genus of Lamnidae
  6936. genus Lampris
    type genus of the Lampridae
  6937. genus Lampropeltis
    king snakes and milk snakes
  6938. genus Languas
    perennial rhizomatous herbs of Asia and Australia and Polynesia having ginger-scented rhizomes
  6939. genus Lanius
    type genus of the Laniidae: typical shrikes
  6940. genus Lansium
    a dicotyledonous genus of the family Meliaceae
  6941. genus Lanthanotus
    one species
  6942. genus Laportea
    mostly tropical stinging herbs or trees: nettle
  6943. genus Lappula
    stickweed; beggar's lice
  6944. genus Lardizabala
    evergreen monoecious climbers of South America having dark mauve-blue edible berries
  6945. genus Larix
    larches
  6946. genus Larrea
    xerophytic evergreen shrubs
  6947. genus Larus
    type genus of the Laridae
  6948. genus Lasiocampa
    type genus of the Lasiocampidae: eggars
  6949. genus Lasiurus
    a genus of Vespertilionidae
  6950. genus Lasthenia
    small genus of herbs of Pacific coast of North and South America
  6951. genus Lastreopsis
    tropical terrestrial shield ferns
  6952. genus Lates
    a genus of large percoid fishes of fresh and brackish water
  6953. genus Lathyrus
    genus of climbing herbs of Old World and temperate North and South America: vetchling; wild pea
  6954. genus Latimeria
    type genus of the Latimeridae: coelacanth
  6955. genus Latrodectus
    venomous spiders
  6956. genus Laurus
    small evergreen trees or shrubs with aromatic leaves
  6957. genus Lavandula
    lavender
  6958. genus Lavatera
    widespread genus of herbs or softwood arborescent shrubs cultivated for their showy flowers
  6959. genus Layia
    genus of western United States annuals with showy yellow or white flowers
  6960. genus Lebistes
    guppies
  6961. genus Lecanopteris
    epiphytic ferns of southeastern Asia to New Guinea
  6962. genus Lecanora
    type genus of Lecanoraceae; crustaceous lichens
  6963. genus Leccinum
    a genus of fungi belonging to the family Boletaceae
  6964. genus Ledum
    evergreen shrubs of north temperate regions
  6965. genus Leiopelma
    type and sole genus of the family Leiopelmatidae
  6966. genus Leiophyllum
    one species: sand myrtle
  6967. genus Leipoa
    mallee fowl
  6968. genus Leitneria
    one species: corkwood
  6969. genus Lemaireocereus
    tropical American cacti usually tall and branching with stout spines and funnel-shaped flowers and globular or ovoid often edible fruit
  6970. genus lemmus
    lemmings
  6971. genus Lemna
    minute aquatic herbs floating on or below the water surface of still water consisting of a leaflike frond or plant body and single root
  6972. genus Lemur
    type genus of the Lemuridae
  6973. genus Lens
    genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils
  6974. genus Lentinus
    a genus of fungus belonging to the family Tricholomataceae
  6975. genus Leonotis
    small genus of tropical herbs and subshrubs of South Africa
  6976. genus Leontideus
    tamarins
  6977. genus Leontocebus
    tamarins
  6978. genus Leontodon
    hawkbit
  6979. genus Leontopodium
    edelweiss
  6980. genus Leonurus
    genus of stout Old World herbs having flowers in whorls
  6981. genus Lepas
    type genus of the family Lepadidae
  6982. genus Lepechinia
    a dicotyledonous genus of the family Labiatae
  6983. genus Lepidium
    cosmopolitan genus of annual and biennial and perennial herbs: cress
  6984. genus Lepidobotrys
    a genus of dicotyledonous trees belonging to the family Lepidobotryaceae
  6985. genus Lepidochelys
    ridleys
  6986. genus Lepidocybium
    a genus of Gempylidae
  6987. genus Lepidothamnus
    small usually shrubby conifers
  6988. genus Lepiota
    agarics with white spores that includes several edible and poisonous mushrooms: parasol mushrooms
  6989. genus Lepisma
    type genus of the Lepismatidae: silverfish
  6990. genus Lepisosteus
    type genus of the Lepisosteidae: freshwater gars
  6991. genus Lepomis
    bream
  6992. genus Leptarrhena
    one species: leatherleaf saxifrage
  6993. genus Leptinotarsa
    Colorado potato beetles
  6994. genus Leptodactylus
    type genus of the Leptodactylidae
  6995. genus Leptoglossus
    leaf-footed bugs
  6996. genus Leptopteris
    including some ferns sometimes placed in genus Todea
  6997. genus Leptoptilus
    adjutant birds and marabous
  6998. genus Leptospira
    very slender aerobic spirochetes
  6999. genus Leptotyphlops
    blind snakes of Asia and Africa and Americas
  7000. genus Lepus
    type genus of the Leporidae: hares
  7001. genus Lespedeza
    genus of shrubs or herbs of tropical Asia and Australia and the eastern United States
  7002. genus Lesquerella
    genus of low-growing hairy herbs: bladderpods
  7003. genus Leucadendron
    large genus of evergreen trees and shrubs having silvery white leaves and solitary terminal flowers with conspicuous silvery bracts
  7004. genus Leucaena
    small genus of tropical evergreen trees or shrubs having pods like those of the acacia
  7005. genus Leucanthemum
    comprises plants often included in the genus Chrysanthemum
  7006. genus Leuciscus
    a genus of fish including: dace, chub
  7007. genus Leucocytozoan
    a genus of protoctist
  7008. genus Leucocytozoon
    a genus of protoctist
  7009. genus Leucogenes
    New Zealand edelweiss
  7010. genus Leucothoe
    American and Asiatic deciduous and evergreen shrubs
  7011. genus Levisticum
    genus of aromatic European herbs with yellow flowers
  7012. genus Lewisia
    genus of western North American low-growing herbs having linear woolly leaves and large pink flowers
  7013. genus Leycesteria
    small species of shrubs of western Himalayas to China
  7014. genus Leymus
    genus that in some classifications overlaps the genus Elymus
  7015. genus Liatris
    genus of perennial North American herbs with aromatic usually cormous roots
  7016. genus Libocedrus
    cypresses that resemble cedars
  7017. genus Lichanura
    boas of western North America
  7018. genus Ligularia
    genus of Old World herbs resembling groundsel: leopard plants
  7019. genus Ligustrum
    genus of Old World shrubs: privet
  7020. genus Lilium
    type genus of Liliaceae
  7021. genus Limanda
    a genus of Pleuronectidae
  7022. genus Limax
    a genus of Limacidae
  7023. genus Limenitis
    mainly dark northern butterflies with white wing bars
  7024. genus Limnobium
    American frogbit
  7025. genus Limnocryptes
    snipe
  7026. genus Limnodromus
    dowitchers
  7027. genus Limonium
    sea lavender
  7028. genus Limosa
    godwits
  7029. genus Limulus
    type genus of the family Limulidae
  7030. genus Linanthus
    a genus of herbs of the family Polemoniaceae
  7031. genus Linaria
    genus of herbs and subshrubs having showy flowers: spurred snapdragon
  7032. genus Lindera
    aromatic evergreen or deciduous dioecious shrubs or trees of eastern Asia and North America
  7033. genus Lindheimera
    one species: Texas star
  7034. genus Linnaea
    one species: twinflower
  7035. genus Linum
    a herbaceous plant genus of the family Linaceae with small sessile leaves
  7036. genus Liomys
    pocket mice
  7037. genus Liopelma
    type and sole genus of the family Leiopelmatidae
  7038. genus Liparis
    genus of terrestrial and epiphytic orchids
  7039. genus Liposcelis
    a genus of Psocidae
  7040. genus Liquidambar
    sweet gum
  7041. genus Liriodendron
    tulip trees
  7042. genus Liriope
    sometimes placed in family Convallariaceae: lilyturf
  7043. genus Listera
    genus of terrestrial orchids having usually a single pair of broad shining leaves near the middle of the stem; found in temperate Asia and North America and Europe
  7044. genus Listeria
    a genus of aerobic motile bacteria of the family Corynebacteriaceae containing small Gram-positive rods
  7045. genus Litchi
    Chinese trees
  7046. genus Lithocarpus
    tanbark oaks
  7047. genus Lithophragma
    small genus of perennial herbs of the western North America
  7048. genus Lithops
    genus of stemless South African succulents
  7049. genus Lithospermum
    annual or perennial herbaceous or shrubby plants
  7050. genus Litocranius
    antelopes of eastern Africa: gerenuks
  7051. genus Littorina
    type genus of the family Littorinidae: periwinkles
  7052. genus Livistona
    fan palms of Asia and Australia and Malaysia
  7053. genus Loasa
    genus of tropical American prickly herbs or subshrubs
  7054. genus Lobelia
    in some classifications considered the type genus of a separate family Lobeliaceae
  7055. genus Lobipes
    a genus of Phalaropidae
  7056. genus Lobotes
    type genus of the Lobotidae
  7057. genus Lobularia
    sweet alyssum
  7058. genus Locusta
    a genus of Acrididae
  7059. genus Lofortyx
    California quail
  7060. genus Logania
    type genus of the Loganiaceae
  7061. genus Loiseleuria
    one species: alpine azalea
  7062. genus Loligo
    squids
  7063. genus Lolium
    darnel; ryegrass
  7064. genus Lomatia
    small genus of low-growing evergreens of Chile and Australia
  7065. genus Lomogramma
    large scandent ferns of southeastern Asia
  7066. genus Lonas
    one species: yellow ageratum
  7067. genus Lonchocarpus
    genus of chiefly tropical American shrubs and trees having pinnate leaves and red or white flowers
  7068. genus Lonicera
    woodbine
  7069. genus Lophius
    type genus of family Lophiidae
  7070. genus Lophodytes
    a genus of Merginae
  7071. genus Lopholatilus
    large brightly colored food fish of deep Atlantic waters
  7072. genus Lophophora
    two species of small cacti of northeastern Mexico and southwestern United States having rounded stems covered with jointed tubercles: mescal
  7073. genus Lophophorus
    monals
  7074. genus Lophosoria
    one species: tree fern of Central and South America
  7075. genus Loranthus
    type genus of the Loranthaceae: 1 species
  7076. genus Loris
    type genus of the Lorisidae
  7077. genus Lota
    burbot
  7078. genus Lotus
    annual or perennial herbs or subshrubs
  7079. genus Lovoa
    genus of African timber trees
  7080. genus Loxia
    crossbill
  7081. genus Loxodonta
    a genus of Elephantidae
  7082. genus Loxoma
    one species of terrestrial ferns of New Zealand
  7083. genus Loxostege
    garden webworms
  7084. genus Lucilia
    greenbottle flies
  7085. genus Lufengpithecus
    a genus of Hominidae
  7086. genus Luffa
    dishcloth gourds
  7087. genus Lumpenus
    a genus of Stichaeidae
  7088. genus Lunaria
    small genus of European herbs: honesty
  7089. genus Lunda
    puffins
  7090. genus Lupinus
    herbs or shrubs: lupin
  7091. genus Luscinia
    nightingales
  7092. genus Lutjanus
    type genus of the Lutjanidae: snappers
  7093. genus Lutra
    in some classifications considered a genus of the subfamily Lutrinae
  7094. genus Luvarus
    type genus of the Luvaridae
  7095. genus Lycaena
    type genus of the Lycaenidae
  7096. genus Lycaeon
    African hunting dog
  7097. genus Lychnis
    genus of plants strongly resembling those of genus Silene: catchfly
  7098. genus Lycium
    deciduous and evergreen shrubs often spiny
  7099. genus Lycoperdon
    genus of fungi whose fruiting body tapers toward a base consisting of spongy mycelium
  7100. genus Lycopersicon
    tomatoes
  7101. genus Lycopersicum
    tomatoes
  7102. genus Lycopodium
    type and sole genus of the Lycopodiaceae
  7103. genus Lycopus
    small genus of herbs of the mint family
  7104. genus Lycosa
    type genus of the family Lycosidae
  7105. genus Lyginopteris
    genus of fossil seed ferns of the Carboniferous
  7106. genus Lygodium
    chiefly tropical climbing ferns
  7107. genus Lygus
    plant-sucking bugs
  7108. genus Lymantria
    type genus of the Lymantriidae; a pest
  7109. genus Lynx
    lynxes
  7110. genus Lyonia
    evergreen or deciduous shrubs or small trees of United States to Antilles and eastern Asia to the Himalaya
  7111. genus Lyrurus
    black grouse
  7112. genus Lysichiton
    skunk cabbage
  7113. genus Lysichitum
    skunk cabbage
  7114. genus Lysiloma
    small genus of tropical American trees and shrubs with pinnate leaves and flat straight pods
  7115. genus Lysimachia
    loosestrife: a cosmopolitan genus found in damp or swampy terrain having usually yellow flowers; inclined to be invasive
  7116. genus Lythrum
    loosestrife
  7117. genus Macaca
    macaques; rhesus monkeys
  7118. genus Macadamia
    trees or shrubs; Madagascar to Australia
  7119. genus Machaeranthera
    wildflowers of western North America
  7120. genus Macleaya
    a perennial herb of eastern Asia: plume poppy
  7121. genus Maclura
    yellowwood trees or shrubs
  7122. genus Macowanites
    a stout-stemmed genus of fungus belonging to the family Secotiaceae having fruiting bodies that never expand completely
  7123. genus Macrocephalon
    maleos
  7124. genus Macrocheira
    giant crabs of Japan
  7125. genus Macroclemys
    includes the alligator snapping turtle
  7126. genus Macrodactylus
    a genus of Melolonthidae
  7127. genus Macronectes
    giant petrels
  7128. genus Macropus
    type genus of the family Macropodidae: typical kangaroos and wallabies
  7129. genus Macrothelypteris
    medium to large terrestrial ferns of tropical Asia to Polynesia and Australia; naturalized in Americas
  7130. genus Macrotis
    a genus of Peramelidae
  7131. genus Macrotus
    leafnose bats
  7132. genus Macrotyloma
    annual or perennial vines of Africa and India and Australia
  7133. genus Macrozamia
    genus of large evergreen Australian cycads
  7134. genus Macrozoarces
    a genus of Zoarcidae
  7135. genus Madia
    genus of sticky herbs with yellow flowers open in morning or evening but closed in bright light
  7136. genus Madoqua
    genus comprising some small antelopes of eastern and northeastern Africa
  7137. genus Maeandra
    brain corals
  7138. genus Magicicada
    seventeen-year locust
  7139. genus Magnolia
    shrubs or trees of North America or Asia having entire evergreen or deciduous leaves; among most ancient of angiosperm genera
  7140. genus Mahonia
    evergreen shrubs and small trees of North and Central America and Asia
  7141. genus Maia
    type genus of the Majidae
  7142. genus Maianthemum
    sometimes placed in family Convallariaceae: false lily of the valley
  7143. genus Maja
    type genus of the Majidae
  7144. genus Majorana
    small genus of herbs usually included in the genus Origanum
  7145. genus Makaira
    marlins
  7146. genus Malaclemys
    American terrapins
  7147. genus Malacosoma
    tent caterpillars
  7148. genus Malacothamnus
    genus of shrubs or small trees: chaparral mallow
  7149. genus Malaxis
    large genus of largely terrestrial orchids with one or a few plicate leaves and slender spikes or tiny mostly green flowers; cosmopolitan
  7150. genus Malcolmia
    genus of plants usually found in coastal habitats
  7151. genus Mallotus
    capelins
  7152. genus Malope
    small genus of chiefly European herbs
  7153. genus Malopterurus
    electric catfish
  7154. genus Malosma
    one species; often included in the genus Rhus
  7155. genus Malpighia
    type genus of the Malpighiaceae
  7156. genus Malus
    apple trees
  7157. genus Malva
    herbs and subshrubs: mallows
  7158. genus Malvastrum
    genus of mallows characterized by red and yellow flowers often placed in other genera
  7159. genus Malvaviscus
    small genus of shrubs of Central and South America: wax mallows
  7160. genus Mammea
    American and Asiatic trees having edible one-seeded fruit
  7161. genus Mammillaria
    large genus of cacti characterized chiefly by nipple-shaped protuberances or tubercles on their surface
  7162. genus Mammut
    extinct type genus of the Mammutidae: mastodons
  7163. genus Mammuthus
    extinct genus: mammoths
  7164. genus Mandevilla
    genus of tropical South American tuberous perennial woody vines with large racemose flowers and milky sap
  7165. genus Mandragora
    a genus of stemless herbs of the family Solanaceae
  7166. genus Mandrillus
    baboons
  7167. genus Manduca
    moths whose larvae are tobacco hornworms or tomato hornworms
  7168. genus Mangifera
    tropical tree native to Asia bearing fleshy fruit
  7169. genus Manihot
    genus of economically important tropical plants: cassava
  7170. genus Manilkara
    genus of large evergreen trees with milky latex; pantropical
  7171. genus Manis
    type genus of the Manidae
  7172. genus Manta
    a genus of Mobulidae
  7173. genus Mantis
    type genus of the Mantidae: mantises
  7174. genus Maranta
    herbs of tropical America
  7175. genus Marasmius
    chiefly small mushrooms with white spores
  7176. genus Marattia
    type genus of the Marattiaceae: ferns having the sporangia fused together in two rows
  7177. genus Marchantia
    type genus of Marchantiaceae
  7178. genus Marmota
    marmots
  7179. genus Marrubium
    Old World aromatic herbs: horehound
  7180. genus Marsilea
    clover ferns
  7181. genus Martes
    martens
  7182. genus Martynia
    in some classifications includes the unicorn plants
  7183. genus Masdevallia
    large genus of tropical American mostly epiphytic orchids whose flowers have sepals fused at the base forming a tube; includes orchids sometimes placed in genera Dracula and Dryadella and Scaphosepalum
  7184. genus Masticophis
    whip snakes
  7185. genus Mastigoproctus
    giant whip scorpions
  7186. genus Mastodon
    extinct type genus of the Mammutidae: mastodons
  7187. genus Mastotermes
    primitive genus of termites
  7188. genus Matricaria
    chiefly Old World strong-smelling weedy herbs
  7189. genus Matteuccia
    small genus sometimes included in genus Onoclea
  7190. genus Matthiola
    genus of Old World plants grown as ornamentals
  7191. genus Maxillaria
    large genus of tropical American epiphytic orchids with persistent leathery leaves and single-flowered scapes
  7192. genus Maxostoma
    a genus of fish in the family Catostomidae
  7193. genus Mayaca
    small genus of delicate mossy bog plants having white or violet flowers
  7194. genus Mayetiola
    a genus of Cecidomyidae
  7195. genus Mazama
    brockets
  7196. genus Meconopsis
    herbs almost entirely of mountains of China and Tibet
  7197. genus Medicago
    a genus of herbs that resemble clover
  7198. genus Medinilla
    tropical Old World ornamental evergreen shrubs having fleshy leaves and large panicles of white pink flowers
  7199. genus Megachile
    type genus of the Megachilidae: leaf-cutting bees
  7200. genus Megaderma
    type genus of the Megadermatidae
  7201. genus Megalobatrachus
    giant salamanders
  7202. genus Megalosaurus
    type genus of the Megalosauridae
  7203. genus Megaptera
    humpback whales
  7204. genus Megatherium
    type genus of the Megatheriidae
  7205. genus Melampodium
    herbs and subshrubs of warm North America
  7206. genus Melampsora
    rusts having sessile one-celled teliospores in a single layer
  7207. genus Melanerpes
    a genus of Picidae
  7208. genus Melanitta
    scoters
  7209. genus Melanogrammus
    haddock
  7210. genus Melanoplus
    New World migratory locusts and common American grasshoppers
  7211. genus Melanotis
    a genus of Mimidae
  7212. genus Melastoma
    type genus of Melastomataceae
  7213. genus Meleagris
    type genus of the Meleagrididae: wild and domestic turkeys
  7214. genus Meles
    in some classifications: type genus of the subfamily Melinae
  7215. genus Melia
    type genus of the Meliaceae: East Indian and Australian deciduous trees with leaves resembling those of the ash
  7216. genus Melicocca
    tropical American trees and shrubs bearing berries
  7217. genus Melicoccus
    tropical American trees and shrubs bearing berries
  7218. genus Melicytus
    a genus of deciduous shrubs or trees
  7219. genus Melilotus
    Old World herbs: the sweet clovers
  7220. genus Melissa
    a genus of Old World mints of the family Labiatae
  7221. genus Mellivora
    ratels
  7222. genus Melocactus
    genus of strongly ribbed globose or spheroid cacti of tropical South and Central America and the Caribbean
  7223. genus Melogale
    a genus of Mustelidae
  7224. genus Melolontha
    a genus of Melolonthidae
  7225. genus Melophagus
    an arthropod genus of wingless flies including the sheep ked
  7226. genus Melopsittacus
    a genus of Psittacidae
  7227. genus Melospiza
    American song sparrow and swamp sparrow
  7228. genus Melursus
    sloth bears
  7229. genus Menippe
    stone crabs
  7230. genus Meniscium
    terrestrial ferns of tropical Americas
  7231. genus Menispermum
    climbing herbs
  7232. genus Menopon
    chicken lice
  7233. genus Mentha
    mint plants
  7234. genus Menticirrhus
    kingfishes; whiting
  7235. genus Mentzelia
    genus of bristly herbs or subshrubs of western America lacking stinging hairs
  7236. genus Menura
    type and sole genus of the family Menuridae
  7237. genus Menyanthes
    the type genus of the Menyanthaceae; one species: bogbeans
  7238. genus Menziesia
    deciduous shrubs of North America and eastern Asia
  7239. genus Mephitis
    in some classifications: type genus of the subfamily Mephitinae
  7240. genus Mercenaria
    a genus of Veneridae
  7241. genus Mercurialis
    a genus of slender herbs belonging to the family Euphorbiaceae
  7242. genus Mergus
    mergansers
  7243. genus Meriones
    a genus of Cricetidae
  7244. genus Merlangus
    whitings
  7245. genus Merluccius
    hakes
  7246. genus Merops
    type genus of the Meropidae
  7247. genus Mertensia
    a genus of herbs belonging to the family Boraginaceae that grow in temperate regions and have blue or purple flowers shaped like funnels
  7248. genus Meryta
    small to medium evergreen dioecious trees of oceanic climates: puka
  7249. genus Mesembryanthemum
    South African annual or biennial plants having flowers that open only in bright sunlight
  7250. genus Mesocricetus
    golden hamsters
  7251. genus Mesohippus
    a genus of Equidae
  7252. genus Mespilus
    medlars
  7253. genus Mesua
    genus of tropical Asiatic trees having large solitary flowers
  7254. genus Metasequoia
    genus of deciduous conifers comprising both living and fossil forms; 1 extant species: dawn redwood of China; variously classified as member of Pinaceae or Taxodiaceae
  7255. genus Metroxylon
    a genus of Malayan pinnate-leaved palm trees that flower and fruit once and then die
  7256. genus Microcentrum
    katydids
  7257. genus Micrococcus
    type genus of the family Micrococcaceae
  7258. genus Microdipodops
    kangaroo mice
  7259. genus Microgramma
    epiphytic ferns of tropical America and Africa
  7260. genus Micromeria
    large genus of fragrant chiefly Old World herbs
  7261. genus Micromyx
    Old World harvest mice
  7262. genus Micropogonias
    croakers
  7263. genus Micropterus
    American freshwater black basses
  7264. genus Microsorium
    tropical usually epiphytic ferns
  7265. genus Microsporum
    a genus of fungus of the family Moniliaceae; causes ringworm
  7266. genus Microstomus
    a genus of Pleuronectidae
  7267. genus Microstrobos
    2 species of small evergreen shrubs of Australia and Tasmania
  7268. genus Microtus
    voles of the northern hemisphere
  7269. genus Micruroides
    coral snakes
  7270. genus Micrurus
    coral snakes
  7271. genus Mikania
    large genus of evergreen lianas of tropical America
  7272. genus Millettia
    genus of trees and shrubs of the Old World tropics
  7273. genus Miltonia
    genus of tropical American orchids
  7274. genus Mimosa
    genus of spiny woody shrubs or trees
  7275. genus Mimus
    type genus of the family Mimidae: mockingbirds
  7276. genus Minuartia
    mostly perennial herbs of northern hemisphere often with mat-forming habit; most often placed in genus Arenaria: sandworts
  7277. genus Mirabilis
    four o'clocks
  7278. genus Mirounga
    elephant seals
  7279. genus Mitchella
    creeping evergreen herbs of North America
  7280. genus Mitella
    genus of low slender herbs of North America and northeastern Asia having flowers with trifid or pinnatifid petals
  7281. genus Mnium
    mosses similar to those of genus Bryum but larger
  7282. genus Mobula
    type genus of the Mobulidae
  7283. genus Moehringia
    low-growing herbs widely distributed in temperate and Arctic northern hemisphere: sandworts; distinguished from members of the genus Arenaria mainly by having four-petaled rather than five-petaled flowers
  7284. genus Mohria
    African terrestrial ferns
  7285. genus Mola
    type genus of the Molidae
  7286. genus Mollienesia
    mollies
  7287. genus Molluga
    carpetweeds
  7288. genus Moloch
    genus of Australian desert lizard
  7289. genus Molothrus
    cowbirds
  7290. genus Molucella
    small genus of aromatic herbs of Mediterranean regions
  7291. genus Molva
    ling
  7292. genus Momordica
    Old World tropical vine
  7293. genus Momotus
    type genus of the Momotidae
  7294. genus Monarda
    wild bergamot, horsemint, beebalm
  7295. genus Monardella
    a genus of fragrant herbs of the family Labiatae in the western United States
  7296. genus Moneses
    one species: one-flowered wintergreen
  7297. genus Monilia
    genus of parasitic yeastlike imperfect fungi having spherical or oval conidia in branched chains; some species usually placed in other genera especially genus Candida
  7298. genus Monocanthus
    type genus of the Monocanthidae
  7299. genus Monochamus
    sawyer beetles
  7300. genus Monodon
    type genus of the Monodontidae
  7301. genus Monomorium
    a genus of Formicidae
  7302. genus Mononychus
    authorities disagree over whether to classify the genus as bird or dinosaur
  7303. genus Monotropa
    leafless fleshy saprophytic plants
  7304. genus Monstera
    tropical American climbing plant with deeply incised leaves
  7305. genus Montezuma
    one species: medium-sized evergreen tree of Puerto Rico or Mexico
  7306. genus Montia
    small genus of densely tufted annual herbs
  7307. genus Morchella
    genus of edible fungi: morel
  7308. genus Morone
    carnivorous fresh and salt water fishes
  7309. genus Morus
    type genus of the Moraceae: mulberries
  7310. genus Moschus
    musk deer
  7311. genus Motacilla
    type genus of the Motacillidae: wagtails
  7312. genus Mucor
    type genus of the Mucoraceae
  7313. genus Mucuna
    genus of tropical herbs and woody vines having trifoliate leaves and showy flowers in axillary clusters
  7314. genus Mugil
    type genus of the Mugilidae: mullets
  7315. genus Muhlenbergia
    a genus of grasses of the family Gramineae grown in America and Asia
  7316. genus Mulloidichthys
    a genus of Mullidae
  7317. genus Mullus
    type genus of the Mullidae: goatfishes
  7318. genus Muntiacus
    muntjacs
  7319. genus Muntingia
    one species: Jamaican cherry
  7320. genus Mus
    type genus of the Muridae: common house mice
  7321. genus Musa
    type genus of the Musaceae: bananas
  7322. genus Musca
    type genus of the Muscidae: houseflies
  7323. genus Muscardinus
    a genus of Gliridae
  7324. genus Muscari
    sometimes placed in family Hyacinthaceae
  7325. genus Muscicapa
    type genus of the Muscicapidae
  7326. genus Muscivora
    a genus of Tyrannidae
  7327. genus Musophaga
    type genus of the Musophagidae
  7328. genus Mustela
    type genus of the family Mustelidae: minks and weasels
  7329. genus Mustelus
    smooth dogfishes
  7330. genus Mutinus
    a genus of fungi belonging to the family Phallaceae
  7331. genus Mutisia
    genus of South American shrubs or lianas having large flower heads with feathery pappuses
  7332. genus Mya
    type genus of the family Myacidae
  7333. genus Myadestes
    solitaires
  7334. genus Mycobacterium
    nonmotile Gram-positive aerobic bacteria
  7335. genus Mycoplasma
    type and sole genus of the family Mycoplasmataceae
  7336. genus Mycteria
    a genus of storks of the family Ciconiidae now including only the American wood ibis
  7337. genus Mycteroperca
    groupers
  7338. genus Mylodon
    type genus of the Mylodontidae
  7339. genus Myocastor
    a genus of Capromyidae
  7340. genus Myopus
    a genus of Cricetidae
  7341. genus Myosotis
    forget-me-nots; scorpion grass
  7342. genus Myotis
    largest and most widely distributed genus of bats
  7343. genus Myrciaria
    a genus of tropical American trees and shrubs of the myrtle family
  7344. genus Myrica
    deciduous aromatic shrubs or small trees
  7345. genus Myricaria
    small genus of deciduous shrubs or subshrubs of southern Europe to Siberia and China; tolerant of chalky soil
  7346. genus Myriophyllum
    chiefly monoecious and usually aquatic herbs
  7347. genus Myristica
    type genus of Myristicaceae
  7348. genus Myrmecia
    bulldog ants
  7349. genus Myrmecobius
    banded anteater
  7350. genus Myrmecophaga
    type genus of the Myrmecophagidae; South American ant bear
  7351. genus Myrmeleon
    type genus of the Myrmeleontidae: antlions
  7352. genus Myroxylon
    a genus of tropical American trees having pinnate leaves and white flowers
  7353. genus Myrrhis
    European perennial herbs having pinnate leaves and umbels of white flowers
  7354. genus Myrsine
    evergreen trees and shrubs having aromatic foliage
  7355. genus Myrtillocactus
    small genus of arborescent cacti of Mexico and Central America
  7356. genus Myrtus
    type genus of the Myrtaceae
  7357. genus Mysis
    type genus of the family Mysidae
  7358. genus Mytilus
    type genus of the family Mytilidae: smooth-shelled marine mussels
  7359. genus Myxine
    type genus of the Myxinidae (typical hagfishes)
  7360. genus Myxinikela
    fossil hagfishes
  7361. genus Myxocephalus
    grubby
  7362. genus Nabalus
    genus of North American and east Asian perennial herbs
  7363. genus Naemorhedus
    gorals
  7364. genus Nageia
    small genus of Asian evergreen trees having columnar crowns and distinguished by leaves lacking a midrib; eastern Asia including India and Philippines and New Guinea
  7365. genus Naias
    sole genus of the family Naiadaceae
  7366. genus Naja
    cobras
  7367. genus Najas
    sole genus of the family Naiadaceae
  7368. genus Nanomia
    a genus of Siphonophora
  7369. genus Napaea
    one species: glade mallow
  7370. genus Narcissus
    Old World perennial bulbous herbs
  7371. genus Narthecium
    bog asphodels; sometimes placed in family Melanthiaceae
  7372. genus Nasalis
    proboscis monkeys
  7373. genus Nasturtium
    aquatic herbs
  7374. genus Nasua
    coatis
  7375. genus Natrix
    water snakes; a cosmopolitan genus
  7376. genus Nauclea
    small genus of evergreen tropical shrubs or trees with smooth leathery leaves
  7377. genus Naucrates
    a genus of Carangidae
  7378. genus Nautilus
    type genus and sole recent representative of the family Nautilidae
  7379. genus Necturus
    a genus of Proteidae
  7380. genus Negaprion
    lemon sharks
  7381. genus Nelumbo
    sometimes placed in the family Nymphaeaceae: lotuses
  7382. genus Nemophila
    genus of ornamental chiefly California herbs: baby blue-eyes
  7383. genus Neoceratodus
    extant Australian lungfishes
  7384. genus Neofiber
    round-tailed muskrat
  7385. genus Neohygrophorus
    a genus of fungi belonging to the family Hygrophoraceae
  7386. genus Neolentinus
    a genus of fungi belonging to the family Polyporaceae
  7387. genus Neomys
    a genus of Soricidae
  7388. genus Neophron
    a genus of Accipitridae
  7389. genus Neotoma
    packrats
  7390. genus Nepa
    type genus of the Nepidae: typical elongate-oval water scorpions
  7391. genus Nepenthes
    pitcher plants
  7392. genus Nepeta
    catmint
  7393. genus Nephelium
    a genus of dicotyledonous trees of the family Sapindaceae that are native to Asia and Australia
  7394. genus Nephrolepis
    small genus of tropical ferns
  7395. genus Nephrops
    a genus of Nephropsidae
  7396. genus Nephthytis
    small genus of tropical western African creeping or twining herbs
  7397. genus Nerita
    type genus of the Neritidae
  7398. genus Neritina
    a genus of Neritidae
  7399. genus Nerium
    one species: oleander
  7400. genus Nerodia
    North American water snakes
  7401. genus Nesokia
    bandicoot rats
  7402. genus Nestor
    a genus of Psittacidae
  7403. genus Neurospora
    genus of fungi with black perithecia used extensively in genetic research; includes some forms with orange spore masses that cause severe damage in bakeries
  7404. genus Neurotrichus
    shrew moles
  7405. genus Nicandra
    sturdy annual of Peru
  7406. genus Nicotiana
    American and Asiatic aromatic herbs and shrubs with viscid foliage
  7407. genus Nidularia
    type genus of the Nidulariaceae
  7408. genus Nierembergia
    genus of tropical American erect or creeping herbs with solitary flowers
  7409. genus Nigella
    erect annual Eurasian herbs
  7410. genus Nigroporus
    a genus of fungi belonging to the family Polyporaceae
  7411. genus Nimravus
    false sabertoothed tigers
  7412. genus Nipa
    monotypic genus of palms of Australasia
  7413. genus Nitella
    fragile branching stoneworts
  7414. genus Nitrobacter
    rod-shaped soil bacteria
  7415. genus Nitrosomonas
    ellipsoidal soil bacteria
  7416. genus Noctiluca
    a genus of protoctist
  7417. genus Noctua
    type genus of the Noctuidae: moths whose larvae are cutworms
  7418. genus Nolina
    perennial plants resembling yucca
  7419. genus Nomia
    a genus of bee; some are important pollinators of legumes
  7420. genus Nopalea
    a genus of the cactus family with scarlet flowers
  7421. genus Nostoc
    type genus of the family Nostocaceae: freshwater blue-green algae
  7422. genus Notechis
    tiger snakes
  7423. genus Notemigonus
    golden shiners
  7424. genus Nothofagus
    beeches of temperate southern hemisphere except Africa: southern beech
  7425. genus Nothosaurus
    a genus of Nothosauria
  7426. genus Notomys
    jerboa rats
  7427. genus Notonecta
    type genus of the Notonectidae: backswimmers
  7428. genus Notophthalmus
    newts
  7429. genus Notornis
    a genus of Rallidae
  7430. genus Notoryctus
    type genus of the family Notoryctidae: comprising solely the marsupial mole
  7431. genus Notropis
    shiners
  7432. genus Nucifraga
    nutcrackers
  7433. genus Numenius
    curlews
  7434. genus Numida
    guinea fowl
  7435. genus Nuphar
    spatterdocks
  7436. genus Nuytsia
    one species
  7437. genus Nyctaginia
    a caryophyllaceous genus of the family Nyctaginaceae having only one species
  7438. genus Nyctanassa
    American night herons
  7439. genus Nyctereutes
    raccoon dogs
  7440. genus Nycticebus
    a genus of Lorisidae
  7441. genus Nycticorax
    Old World night herons
  7442. genus Nyctimene
    East Indian fruit bats
  7443. genus Nymphaea
    the type genus of the family Nymphaeaceae
  7444. genus Nymphalis
    type genus of the Nymphalidae: mourning cloak butterflies
  7445. genus Nymphicus
    a genus of Psittacidae
  7446. genus Nypa
    monotypic genus of palms of Australasia
  7447. genus Nyssa
    tupelos: deciduous trees of moist habitats especially swamps and beside ponds
  7448. genus Oceanites
    a genus of Hydrobatidae
  7449. genus Ochna
    type genus of Ochnaceae
  7450. genus Ochotona
    type genus of the Ochotonidae
  7451. genus Ochroma
    one species: balsa
  7452. genus Ocimum
    basil
  7453. genus Octopus
    type genus of the family Octopodidae
  7454. genus Ocyurus
    snappers
  7455. genus Odobenus
    type genus of the Odobenidae: walruses
  7456. genus Odocoileus
    North American deer
  7457. genus Odontaspis
    type and sole genus of Carchariidae: sand sharks
  7458. genus Odontoglossum
    large and important genus of tropical American mostly epiphytic orchids; some of the most widely grown species are often placed in other genera
  7459. genus Odontophorus
    genus of Central and South American crested partridges resembling quails; sometimes placed in a distinct subfamily or isolated in a distinct family
  7460. genus Oecanthus
    tree crickets
  7461. genus Oedogonium
    type genus of Oedogoniaceae
  7462. genus Oenanthe
    poisonous herbs: water dropworts
  7463. genus Oenothera
    chiefly North American herbs with usually nocturnal flowers
  7464. genus Oestrus
    type genus of the Oestridae: sheep botflies
  7465. genus Okapia
    okapis
  7466. genus Olea
    evergreen trees and shrubs having oily one-seeded fruits
  7467. genus Oleandra
    or family Polypodiaceae: tropical epiphytic or terrestrial ferns
  7468. genus Olearia
    large genus of Australian evergreen shrubs or small trees with large daisylike flowers
  7469. genus Olfersia
    genus of fern having only one species
  7470. genus Oligoplites
    leatherjackets
  7471. genus Oligoporus
    a genus of fungi belonging to the family Polyporaceae
  7472. genus Ommastrephes
    a genus of Decapoda
  7473. genus Omphalotus
    a genus of fungi with a depressed disc in the cap
  7474. genus Oncidium
    large genus of showy epiphytic or lithophytic or terrestrial orchids of tropical and subtropical America
  7475. genus Oncorhynchus
    Pacific salmon including sockeye salmon
  7476. genus Ondatra
    muskrats
  7477. genus Oniscus
    type genus of the Oniscidae
  7478. genus Onobrychis
    genus of Old World herbs having pinnate leaves and pink or whites racemose flowers followed by flat unjointed pods
  7479. genus Onoclea
    one species: sensitive fern
  7480. genus Ononis
    genus of European subshrubs or herbs having pink or purple or yellow solitary or clustered flowers: restharrow
  7481. genus Onopordon
    a genus of Eurasian herbs of the family Compositae with prickly foliage and large purplish flowers
  7482. genus Onopordum
    a genus of Eurasian herbs of the family Compositae with prickly foliage and large purplish flowers
  7483. genus Onosmodium
    a genus of North American perennial herbs of the family Boraginaceae
  7484. genus Onychium
    small terrestrial ferns of Old World tropics and subtropics: clawed ferns; sometimes placed in family Cryptogrammataceae
  7485. genus Onychogalea
    a genus of Macropodidae
  7486. genus Onychomys
    grasshopper mice
  7487. genus Opheodrys
    North American green snakes
  7488. genus Ophiodon
    a genus of Ophiodontidae
  7489. genus Ophioglossum
    the type genus of the fern family Ophioglossaceae
  7490. genus Ophiophagus
    king cobra
  7491. genus Ophisaurus
    glass lizards
  7492. genus Ophrys
    a hardy genus of terrestrial orchids of Europe and northern Africa and western Asia
  7493. genus Opisthocomus
    type genus of the Opisthocomidae: hoatzins
  7494. genus Opuntia
    large genus of cactuses native to America: prickly pears
  7495. genus Orbignya
    palms of southern Mexico to northern South America: babassu palm
  7496. genus Orchestia
    type genus of the family Orchestiidae
  7497. genus Orchis
    type genus of the orchid family
  7498. genus Orcinus
    killer whales
  7499. genus Oreamnos
    mountain goats
  7500. genus Orectolobus
    carpet sharks
  7501. genus Oreopteris
    3 species of ferns formerly included in genus Dryopteris or Thelypteris
  7502. genus Oreortyx
    mountain quail of western United States
  7503. genus Origanum
    a genus of aromatic mints of the family Labiatae
  7504. genus Oriolus
    type genus of the Oriolidae
  7505. genus Orites
    small genus of Australian shrubs or trees
  7506. genus Ormosia
    genus of tropical shrubs and trees having usually odd-pinnate leaves with large leaflets and pink to reddish wood
  7507. genus Ornithogalum
    sometimes placed in family Hyacinthaceae
  7508. genus Ornithorhynchus
    type genus of the family Ornithorhynchidae
  7509. genus Orontium
    one species of aquatic plant: golden club
  7510. genus Ortalis
    chachalacas
  7511. genus Orthilia
    a shrubby perennial rhizomatous evergreen herb
  7512. genus Orthopristis
    a genus of Haemulidae
  7513. genus Orthotomus
    tailorbirds
  7514. genus Orycteropus
    coextensive with the family Orycteropodidae
  7515. genus Oryctolagus
    Old World rabbits
  7516. genus Oryx
    African antelopes: oryxes
  7517. genus Oryza
    rice
  7518. genus Oryzomys
    rice rats
  7519. genus Oryzopsis
    rice grass
  7520. genus Osmanthus
    widely distributed genus of evergreen shrubs or trees of southern United States and Middle East and China and Japan
  7521. genus Osmerus
    type genus of the Osmeridae
  7522. genus Osmunda
    type genus of the Osmundaceae
  7523. genus Ostrea
    type genus of the family Ostreidae
  7524. genus Ostrya
    deciduous monoecious trees of Europe and Asia and America
  7525. genus Ostryopsis
    deciduous monoecious shrubs of China and Mongolia resembling trees of the genus Ostrya; sometimes placed in subfamily or family Carpinaceae
  7526. genus Otaria
    type genus of the Otariidae
  7527. genus Othonna
    genus of western African herbs or shrubs
  7528. genus Otis
    type genus of the Otididae: European bustard
  7529. genus Otus
    a genus of Strigidae
  7530. genus Ouranopithecus
    a genus of Hominidae
  7531. genus Ovalipes
    a genus of Portunidae
  7532. genus Ovibos
    consisting of the musk-ox
  7533. genus Ovis
    sheep
  7534. genus Oxalis
    type genus of the Oxalidaceae
  7535. genus Oxandra
    genus of tropical trees
  7536. genus Oxybelis
    vine snakes
  7537. genus Oxydendrum
    sourwood
  7538. genus Oxylebius
    a genus of Hexagrammidae
  7539. genus Oxytropis
    large widely-distributed genus of evergreen shrubs or subshrubs having odd-pinnate leaves and racemose or spicate flowers each having a pea-like corolla with a clawed petal
  7540. genus Oxyura
    ruddy duck
  7541. genus Oxyuranus
    taipans
  7542. genus Ozonium
    form genus of imperfect fungi
  7543. genus Ozothamnus
    genus of Australian shrubs and perennial herbs
  7544. genus Pachycephala
    arboreal insectivorous birds
  7545. genus Pachyrhizus
    small genus of tropical vines having tuberous roots
  7546. genus Pachysandra
    evergreen perennial procumbent subshrubs or herbs
  7547. genus Packera
    genus of American of east Asian perennial herbs with yellow to orange or red flower rays; sometimes included in genus Senecio
  7548. genus Padda
    a genus of Ploceidae
  7549. genus Paeonia
    peonies: herbaceous or shrubby plants having showy flowers
  7550. genus Pagellus
    sea breams
  7551. genus Pagophila
    a genus of Laridae
  7552. genus Pagophilus
    harp seals
  7553. genus Pagrus
    a genus of Sparidae
  7554. genus Pagurus
    type genus of the family Paguridae
  7555. genus Palaemon
    type genus of the family Palaemonidae
  7556. genus Palaquium
    large genus of Malaysian trees with milky juice and leathery leaves
  7557. genus Paleacrita
    geometrid moths
  7558. genus Palinurus
    type genus of the family Palinuridae
  7559. genus Paliurus
    thorny Eurasian shrubs
  7560. genus Palometa
    a genus of Stromateidae
  7561. genus Pan
    chimpanzees
  7562. genus Panax
    perennial herbs of eastern North America and Asia having aromatic tuberous roots: ginseng
  7563. genus Pandanus
    type genus of the Pandanaceae (as screw pines)
  7564. genus Pandion
    type genus of the Pandionidae
  7565. genus Panicum
    panic grass
  7566. genus Panonychus
    a genus of Tetranychidae
  7567. genus Panthera
    lions
  7568. genus Papaver
    type genus of the Papaveraceae
  7569. genus Paphiopedilum
    horticulturally important genus of mainly terrestrial orchids including many hybrids; southeastern Asia and Indonesia to Philippines and Solomon Islands; Paphiopedilum species sometimes included in genus Cypripedium
  7570. genus Papio
    baboons
  7571. genus Paprilus
    a genus of Stromateidae
  7572. genus Paracheirodon
    a genus of Characidae
  7573. genus Paradoxurus
    palm civets
  7574. genus Paralichthys
    a genus of Bothidae
  7575. genus Paralithodes
    a genus of Lithodidae
  7576. genus Paramecium
    freshwater ciliate with an oval body and long deep oral groove
  7577. genus Paranthias
    a genus of Serranidae
  7578. genus Parascalops
    brewer's moles
  7579. genus Parasitaxus
    one species: parasite yew
  7580. genus Parathelypteris
    terrestrial ferns of warm and tropical Asia and North America
  7581. genus Parietaria
    small genus of stingless herbs
  7582. genus Paris
    sometimes placed in subfamily Trilliaceae
  7583. genus Parkia
    genus of tropical Old World trees: nitta trees
  7584. genus Parkinsonia
    small genus of spiny shrubs or small trees
  7585. genus Parmelia
    type genus of the Parmeliaceae
  7586. genus Parnassia
    genus of bog herbs of Arctic and northern temperate regions
  7587. genus Parochetus
    one species: shamrock pea
  7588. genus Paronychia
    low-growing annual or perennial herbs or woody plants
  7589. genus Parophrys
    a genus of Soleidae
  7590. genus Parrotia
    one species: iron tree
  7591. genus Parrotiopsis
    one species: deciduous tree of the Himalaya Mountains
  7592. genus Parthenium
    small genus of North American herbs and shrubs with terminal panicles of small ray flowers
  7593. genus Parthenocissus
    woody vines having disklike tips on the tendrils
  7594. genus Parula
    type genus of the Parulidae: wood warblers
  7595. genus Parus
    type genus of the family Paridae
  7596. genus Paspalum
    a genus of perennial grasses of warm regions
  7597. genus Passer
    type genus of the Passeridae
  7598. genus Passerina
    a genus of small North American finches including the New World buntings
  7599. genus Passiflora
    type genus of the Passifloraceae
  7600. genus Pastinaca
    a rosid dicot genus of the family Umbelliferae
  7601. genus Patella
    type genus of the family Patellidae: common European limpets
  7602. genus Pavo
    peafowl
  7603. genus Pavonia
    genus of tropical hairy shrubs or herbs of tropics and subtropics especially South America
  7604. genus Payena
    genus of medium to large Malaysian trees yielding gutta-percha
  7605. genus Pecari
    type genus of the Tayassuidae
  7606. genus Pecopteris
    genus of Carboniferous fossil ferns
  7607. genus Pecten
    type genus of the family Pectinidae: sea and bay scallops
  7608. genus Pediculus
    type genus of Pediculidae: true lice infecting humans
  7609. genus Pedilanthus
    tropical American succulent shrubs
  7610. genus Pediocactus
    low-growing cacti of the Great Plains of North America
  7611. genus Pedioecetes
    sharp-tailed grouse
  7612. genus Pedionomus
    plain wanderer
  7613. genus Peireskia
    genus of tropical American shrubby trees and woody climbers having slender branches with broad flat leaves and large panicles of flowers
  7614. genus Pelargonium
    geraniums native chiefly to South Africa; widely cultivated
  7615. genus Pelecanus
    type genus of the Pelecanidae
  7616. genus Pellaea
    genus of chiefly small rock-loving ferns
  7617. genus Pellicularia
    genus of fungi having the hymenium in the form of a crust
  7618. genus Peltandra
    small genus of North American marsh or aquatic herbs
  7619. genus Peltiphyllum
    one species
  7620. genus Penelope
    a genus of guans
  7621. genus Peneus
    type genus of the family Peneidae
  7622. genus Penicillium
    genus of fungi commonly growing as green or blue molds on decaying food; used in making cheese and as a source of penicillin
  7623. genus Pennatula
    type genus of the family Pennatulidae: sea pens
  7624. genus Pennisetum
    a genus of Old World grasses
  7625. genus Penstemon
    large genus of subshrubs or herbs having showy blue or purple or red or yellow or white flowers; mostly western North America
  7626. genus Peperomia
    large genus of small tropical usually succulent herbs
  7627. genus Perca
    type genus of the Percidae
  7628. genus Percina
    a genus of Percidae
  7629. genus Perdix
    a genus of Perdicinae
  7630. genus Pereskia
    genus of tropical American shrubby trees and woody climbers having slender branches with broad flat leaves and large panicles of flowers
  7631. genus Pericallis
    cineraria
  7632. genus Peridinium
    type genus of the family Peridiniidae
  7633. genus Perilla
    small genus of Asiatic herbs
  7634. genus Periophthalmus
    a genus of Gobiidae
  7635. genus Peripatopsis
    type genus of Peripatopsidae
  7636. genus Peripatus
    type genus of Peripatidae
  7637. genus Periplaneta
    cosmopolitan genus of large cockroaches
  7638. genus Periploca
    genus of woody vines of warm regions of the Old World
  7639. genus Perisoreus
    Canada jays
  7640. genus Peristedion
    in some classifications the type genus of the subfamily Peristediinae: armored sea robins
  7641. genus Pernis
    a common European bird of prey
  7642. genus Perodicticus
    a genus of Lorisidae
  7643. genus Perognathus
    pocket mice
  7644. genus Peromyscus
    New World wood mice
  7645. genus Peronospora
    genus of destructive downy mildews
  7646. genus Persea
    avocado
  7647. genus Persoonia
    Australian undershrubs to small trees: geebungs
  7648. genus Pertusaria
    crustose lichens that are a source of the dye archil and of litmus
  7649. genus Petasites
    genus of rhizomatous herbs of north temperate regions: butterbur; sweet coltsfoot
  7650. genus Petaurista
    very large Asiatic flying squirrels
  7651. genus Petaurus
    a genus of Phalangeridae
  7652. genus Petrocoptis
    perennial tussock-forming rock plants
  7653. genus Petrogale
    rock wallabies
  7654. genus Petromyzon
    typical lampreys
  7655. genus Petroselinum
    parsley
  7656. genus Petteria
    one species: Dalmatian laburnum
  7657. genus Petunia
    annual or perennial herbs or shrubs of tropical South America
  7658. genus Peziza
    type genus of the Pezizaceae: a variety of cup fungus
  7659. genus Pezophaps
    constituted by the extinct solitaire
  7660. genus Phacelia
    American herbs with usually pinnatifid leaves and blue or purple or white flowers in scorpioid cymes
  7661. genus Phacochoerus
    warthogs
  7662. genus Phaethon
    type genus of the Phaethontidae
  7663. genus Phaius
    genus of Asiatic and Australian terrestrial orchids
  7664. genus Phalacrocorax
    type genus: coextensive with the family Phalacrocoracidae
  7665. genus Phalaenopsis
    genus of ornamental epiphytic orchids of Asia and Australia
  7666. genus Phalaenoptilus
    a genus of Caprimulgidae
  7667. genus Phalanger
    type genus of the family Phalangeridae: cuscuses
  7668. genus Phalangium
    type genus of the family Phalangiidae
  7669. genus Phalaris
    a genus of grasses with broad leaves and a dense spike of flowers
  7670. genus Phalaropus
    type genus of the Phalaropidae: phalaropes
  7671. genus Phallus
    genus of fungi having the cap or pileus hanging free around the stem
  7672. genus Pharomacrus
    a genus of Trogonidae
  7673. genus Phascogale
    pouched mice
  7674. genus Phascolarctos
    koalas
  7675. genus Phaseolus
    herbs of warm regions including most American beans
  7676. genus Phasianus
    type genus of the Phasianidae: the typical pheasants
  7677. genus Phegopteris
    beech ferns: genus is variously classified: considered alternative name for genus Dryopteris or included in genus Thelypteris
  7678. genus Phellodendron
    small genus of aromatic deciduous trees of east Asia often having thick corky bark
  7679. genus Phenacomys
    North American voles
  7680. genus Philadelphus
    mock orange: type and sole genus of the subfamily Philadelphaceae; sometimes placed in family Saxifragaceae
  7681. genus Philaenus
    a genus of Cercopidae
  7682. genus Phillyrea
    small genus of evergreen shrubs of the Mediterranean region
  7683. genus Philodendron
    any of several tropical American climbing plants with smooth shiny evergreen leaves
  7684. genus Philohela
    American woodcocks
  7685. genus Philomachus
    ruffs
  7686. genus Philophylla
    leaf miners
  7687. genus Phlebodium
    chiefly epiphytic tropical ferns with free veins bearing sori
  7688. genus Phlebotomus
    small bloodsucking sand flies that resemble moths
  7689. genus Phleum
    grasses native to temperate regions
  7690. genus Phlomis
    large genus of Old World aromatic herbs or subshrubs or shrubs having often woolly leaves
  7691. genus Phlox
    herbaceous to shrubby evergreen or deciduous annuals or perennials, diffuse (spreading) or caespitose (tufted or matted); from Alaska and western Canada to Mexico
  7692. genus Phoca
    type genus of the Phocidae: earless seals
  7693. genus Phocoena
    porpoises
  7694. genus Phoenicophorium
    latanier palm
  7695. genus Phoeniculus
    type and only genus of the family Phoeniculidae
  7696. genus Phoenicurus
    Old World thrushes
  7697. genus Phoenix
    a large monocotyledonous genus of pinnate-leaved palms found in Asia and Africa
  7698. genus Pholas
    type genus of the family Pholadidae: piddocks
  7699. genus Pholidota
    genus of mostly epiphytic orchids of Indonesia and the western Pacific
  7700. genus Pholiota
    genus of gilled agarics of Europe and North America having brown spores and an annulus; grows on open ground or decaying wood
  7701. genus Pholis
    type genus of the Pholidae: gunnels
  7702. genus Pholistoma
    straggling herbs of southwestern United States
  7703. genus Phoradendron
    any of various American parasitic plants similar to Old World mistletoe: false mistletoe
  7704. genus Photinia
    genus of deciduous and evergreen east Asian trees and shrubs widely cultivated as ornamentals for their white flowers and red fruits; in some classifications includes genus Heteromeles
  7705. genus Photoblepharon
    a genus of fish in the family Anomalopidae
  7706. genus Phoxinus
    minnows
  7707. genus Phragmipedium
    genus of tropical American orchid species often included in genus Cypripedium or Paphiopedilum and Selenipedium: lady slippers
  7708. genus Phragmites
    reeds of marshes and riversides in tropical or temperate regions
  7709. genus Phrynosoma
    horned lizards
  7710. genus Phthirius
    true lice: crab lice
  7711. genus Phthirus
    true lice: crab lice
  7712. genus Phthorimaea
    potato moths
  7713. genus Phyllitis
    a genus of ferns belonging to the family Polypodiaceae
  7714. genus Phyllium
    type genus of the Phyllidae
  7715. genus Phyllocladus
    celery pine
  7716. genus Phyllodoce
    small genus of evergreen Arctic and alpine shrubs
  7717. genus Phylloporus
    a genus of fungi belonging to the family Boletaceae
  7718. genus Phyllorhynchus
    leaf-nosed snakes
  7719. genus Phylloscopus
    warblers
  7720. genus Phyllostachys
    medium and large bamboos
  7721. genus Phyllostomus
    type genus of the family Phyllostomatidae
  7722. genus Phylloxera
    type genus of the Phylloxeridae: plant lice
  7723. genus Physa
    type genus of the Physidae; freshwater air-breathing snails
  7724. genus Physalia
    Portuguese man-of-war
  7725. genus Physalis
    ground cherries
  7726. genus Physaria
    small genus of western North American herbs similar to Lesquerella: bladderpods
  7727. genus Physeter
    type genus of the Physeteridae
  7728. genus Physostegia
    genus of North American perennial herbs
  7729. genus Physostigma
    African woody vines: calabar beans
  7730. genus Phytelephas
    small genus of South American feather palms
  7731. genus Phytolacca
    type genus of Phytolaccaceae: pokeweed
  7732. genus Phytophthora
    destructive parasitic fungi causing brown rot in plants
  7733. genus Pica
    magpies
  7734. genus Picea
    a genus of temperate and Arctic evergreen trees (see spruce)
  7735. genus Pickeringia
    one species: chaparral pea
  7736. genus Picoides
    a genus of Picidae
  7737. genus Picrasma
    small genus of deciduous trees of tropical America and Asia
  7738. genus Picris
    genus of weedy Old World yellow-flowered herbs usually containing a bitter-tasting substance: bitterweed
  7739. genus Picumnus
    a genus of Picidae
  7740. genus Picus
    type genus of Picidae
  7741. genus Pieris
    decorative evergreen shrubs of woody vines
  7742. genus Pilea
    low-growing tropical perennials grown for their stingless foliage
  7743. genus Pilosella
    genus of hairy perennial herbs with horizontal rhizomes and leafy or underground stolons; Eurasia and North Africa; often considered congeneric with Hieracium
  7744. genus Pilularia
    pillworts
  7745. genus Pimenta
    allspice tree
  7746. genus Pimpinella
    anise
  7747. genus Pinckneya
    small genus of shrubs or small trees of southeastern United States and northern South America
  7748. genus Pinctada
    pearl oysters
  7749. genus Pineus
    a genus of Adelgidae
  7750. genus Pinguicula
    butterworts: a large genus of almost stemless carnivorous bog plants; Europe and America to Antarctica
  7751. genus Pinguinus
    great auk
  7752. genus Pinicola
    a genus of Fringillidae
  7753. genus Pinnotheres
    type genus of the family Pinnotheridae: pea crabs
  7754. genus Pinus
    type genus of the Pinaceae: large genus of true pines
  7755. genus Pipa
    type genus of the Pipidae
  7756. genus Piper
    type genus of the Piperaceae: large genus of chiefly climbing tropical shrubs
  7757. genus Pipile
    genus of large crested guans (the piping guans)
  7758. genus Pipilo
    towhees
  7759. genus Pipistrellus
    nearly cosmopolitan genus of very small bats
  7760. genus Pipra
    type genus of the Pipridae containing the typical manakins
  7761. genus Piptadenia
    tropical American trees and shrubs
  7762. genus Pipturus
    an Australian genus of woody plants of the family Urticaceae
  7763. genus Piqueria
    small genus of tropical American perennial herbs or subshrubs with white to pale yellow flowers; often included in genus Stevia
  7764. genus Piranga
    a genus of Thraupidae
  7765. genus Piroplasma
    type genus of the family Babesiidae
  7766. genus Pisanosaurus
    primitive ornithischian dinosaur found in Argentina
  7767. genus Piscidia
    genus of shrubs or small trees having indehiscent pods with black seeds; roots and bark yield fish poisons
  7768. genus Pisonia
    genus of often thorny tropical trees and shrubs and some vines; mainly America
  7769. genus Pistacia
    a dicotyledonous genus of trees of the family Anacardiaceae having drupaceous fruit
  7770. genus Pistia
    one species: water lettuce
  7771. genus Pisum
    small genus of variable annual Eurasian vines: peas
  7772. genus Pithecellobium
    thorny shrubs and trees of tropical and subtropical America and Asia
  7773. genus Pithecia
    sakis
  7774. genus Pithecolobium
    thorny shrubs and trees of tropical and subtropical America and Asia
  7775. genus Pitta
    type genus of the Pittidae
  7776. genus Pituophis
    bull snakes
  7777. genus Pitymys
    pine mice
  7778. genus Pityrogramma
    terrestrial tropical ferns having fronds with powdery yellowish or white undersides; sometimes placed in family Polypodiaceae or Adiantaceae
  7779. genus Placuna
    windowpane oysters
  7780. genus Plagianthus
    small genus of shrubs and trees of Australia and New Zealand
  7781. genus Planera
    a deciduous tree of the family Ulmaceae that grows in the southeastern United States
  7782. genus Planococcus
    a genus of Pseudococcidae
  7783. genus Plantago
    type genus of the family Plantaginaceae
  7784. genus Plasmodiophora
    type genus of Plasmodiophoraceae comprising minute plant parasitic fungi similar to and sometimes included among the slime molds
  7785. genus Plasmodium
    type genus of the family Plasmodiidae
  7786. genus Platalea
    type genus of the Plataleidae
  7787. genus Platanthera
    herbaceous terrestrial orchids of temperate northern and southern hemispheres
  7788. genus Platanus
    genus of large monoecious mostly deciduous trees: London plane; sycamore
  7789. genus Platichthys
    a genus of Pleuronectidae
  7790. genus Platycerium
    often epiphytic tropical Old World ferns
  7791. genus Platylobium
    small genus of Australian evergreen leguminous shrubs or subshrubs
  7792. genus Platymiscium
    genus of tropical American trees: quira
  7793. genus Platypoecilus
    platys
  7794. genus Platystemon
    one species: creamcups
  7795. genus Plautus
    a genus of Alcidae
  7796. genus Plecotus
    a genus of Vespertilionidae
  7797. genus Plectania
    genus of fungi in the family Pezizaceae closely related to and often included in genus Peziza
  7798. genus Plectorrhiza
    small genus of Australian orchids
  7799. genus Plectranthus
    large genus of ornamental flowering plants
  7800. genus Plectrophenax
    snow bunting
  7801. genus Pleione
    small genus of dwarf orchids; India to Thailand and Taiwan
  7802. genus Pleiospilos
    perennial succulents of South Africa
  7803. genus Plesianthropus
    former name for the genus Australopithecus
  7804. genus Plesiosaurus
    a reptile genus of suborder Plesiosauria
  7805. genus Plethodon
    type genus of the Plethodontidae
  7806. genus Pleurobrachia
    sea gooseberries
  7807. genus Pleuronectes
    type genus of the Pleuronectidae
  7808. genus Pleurosorus
    small genus comprising terrestrial ferns
  7809. genus Pleurothallis
    large genus of epiphytic or lithophytic orchids of tropical America
  7810. genus Pleurotus
    agarics with white spores and caps having an eccentric stem
  7811. genus Plicatoperipatus
    a genus of Peripatidae
  7812. genus Ploceus
    type genus of the Ploceidae
  7813. genus Plumbago
    shrubs and herbs and woody vines of warm regions: leadwort
  7814. genus Plumeria
    deciduous shrubs and trees of tropical America having branches like candelabra and fragrant white or pink flowers
  7815. genus Pluteus
    a large genus of fungi belonging to the family Pluteaceae
  7816. genus Pluvialis
    golden plovers
  7817. genus Pluvianus
    coursers
  7818. genus Poa
    chiefly perennial grasses of cool temperate regions
  7819. genus Podalyria
    genus of South African leguminous shrubs often placed in genus Sophora
  7820. genus Podargus
    type genus of the Podargidae
  7821. genus Podiceps
    type genus of the Podicipedidae: grebes
  7822. genus Podilymbus
    a genus of Podicipedidae
  7823. genus Podocarpus
    evergreen trees or shrubs
  7824. genus Podophyllum
    perennial rhizomatous herbs
  7825. genus Poecilocapsus
    a genus of Miridae
  7826. genus Poecilogale
    muishonds
  7827. genus Poephila
    grassfinches
  7828. genus Pogonia
    small but widely distributed genus of orchids closely related to genus Cleistes;: of damp or boggy areas of north temperate zone
  7829. genus Pogostemon
    genus of Asiatic shrubs or trees whose leaves yield a fragrant oil
  7830. genus Polanisia
    widely distributed herbs having palmate leaves and creamy white to or pink to magenta flowers with many stamens of unequal length
  7831. genus Polemonium
    type genus of the Polemoniaceae
  7832. genus Polianthes
    genus of perennial tuberous herbs having lily-like flowers
  7833. genus Polioptila
    New World gnatcatchers
  7834. genus Polistes
    a genus of Vespidae
  7835. genus Pollachius
    pollack
  7836. genus Polyangium
    type genus of the family Polyangiaceae: myxobacteria with rounded fruiting bodies enclosed in a membrane
  7837. genus Polyborus
    a genus of Falconidae
  7838. genus Polybotria
    tropical American ferns
  7839. genus Polybotrya
    tropical American ferns
  7840. genus Polycirrus
    genus of soft-bodied polychete marine worms
  7841. genus Polydactylus
    a genus of Polynemidae
  7842. genus Polyergus
    Amazon ants
  7843. genus Polygala
    type genus of the Polygalaceae: milkwort; senega; snakeroot
  7844. genus Polygonatum
    sometimes placed in subfamily Convallariaceae
  7845. genus Polygonia
    comma butterflies
  7846. genus Polygonum
    diverse genus of herbs or woody subshrubs of north temperate regions
  7847. genus Polyodon
    type genus of the Polyodontidae
  7848. genus Polypedates
    type genus of the Polypedatidae
  7849. genus Polypodium
    a genus of ferns belonging to the family Polypodiaceae and having rounded naked sori
  7850. genus Polyporus
    type genus of the Polyporaceae
  7851. genus Polyprion
    wreckfish
  7852. genus Polystichum
    small to medium-sized terrestrial ferns especially holly ferns; in some classification systems placed in Polypodiaceae
  7853. genus Pomacanthus
    angelfishes
  7854. genus Pomacentrus
    type genus of the Pomacentridae: damselfishes
  7855. genus Pomaderris
    a genus of Australasian shrubs and trees
  7856. genus Pomatomus
    type genus of the Pomatomidae
  7857. genus Pomolobus
    genus to which the alewife is sometimes assigned
  7858. genus Pomoxis
    crappies
  7859. genus Poncirus
    one species: trifoliate orange
  7860. genus Pongamia
    one species: Indian beech
  7861. genus Pongo
    type genus of the family Pongidae: orangutans
  7862. genus Pontederia
    pickerelweed
  7863. genus Pooecetes
    a genus of Fringillidae
  7864. genus Popillia
    a genus of Scarabaeidae
  7865. genus Populus
    a genus of trees of the family Salicaceae that is found in the northern hemisphere; poplars
  7866. genus Porcellio
    Old World genus of isopod crustaceans
  7867. genus Poronotus
    a genus of Stromateidae
  7868. genus Porphyra
    a genus of protoctist
  7869. genus Porphyrio
    Old World purple gallinules
  7870. genus Porphyrula
    American purple gallinules
  7871. genus Portulaca
    genus of mainly tropical fleshy or trailing herbs
  7872. genus Portunus
    type genus of the family Portunidae
  7873. genus Porzana
    spotted crakes
  7874. genus Potamogale
    type genus of the family Potamogalidae: otter shrews
  7875. genus Potamogeton
    a large genus of aquatic herbs found in quiet waters in temperate regions; leaves usually float on the water
  7876. genus Potamophis
    ground snakes
  7877. genus Potentilla
    chiefly perennial northern hemisphere herbs and shrubs: cinquefoil
  7878. genus Poterium
    a genus of thorny herbs or shrubs of the family Rosaceae
  7879. genus Pothos
    evergreen climbers with adhesive adventitious roots
  7880. genus Potorous
    potoroos
  7881. genus Potos
    a genus of Procyonidae
  7882. genus Pouteria
    tropical American timber tree with edible fruit (canistel)
  7883. genus Praunus
    a genus of Mysidae
  7884. genus Prenanthes
    genus of North American and Asiatic perennial herbs having pinnatisect leaves small heads of drooping yellowish to purple flowers; sometimes includes species often placed in genus Nabalus
  7885. genus Presbytes
    langurs
  7886. genus Priacanthus
    type genus of the Priacanthidae
  7887. genus Primula
    very large and important genus of plants of temperate Europe and Asia having showy flowers
  7888. genus Prinia
    a genus of Sylviidae
  7889. genus Priodontes
    solely the giant armadillo
  7890. genus Prionace
    blue sharks
  7891. genus Prionotus
    a genus of Triglidae
  7892. genus Pristis
    type genus of the Pristidae
  7893. genus Pritzelago
    chamois cress
  7894. genus Proboscidea
    in some classifications included in the genus Martynia and hence the two taxonomic names for some of the unicorn plants
  7895. genus Procavia
    type genus of the Procaviidae
  7896. genus Procellaria
    type genus of the Procellariidae
  7897. genus Prociphilus
    a genus of Aphididae
  7898. genus Procnias
    bellbirds
  7899. genus Proconsul
    genus of extinct primitive African primates of the Miocene epoch; sometimes considered a subgenus of Dryopithecus
  7900. genus Procyon
    the type genus of the family Procyonidae: raccoons
  7901. genus Progne
    a genus of Hirundinidae
  7902. genus Prosopis
    genus of tropical or subtropical branching shrubs or trees: mesquite
  7903. genus Prosopium
    whitefishes
  7904. genus Protea
    type genus of Proteaceae; tropical African shrubs
  7905. genus Proteles
    aardwolf
  7906. genus Proterochampsa
    early archosaurian carnivore
  7907. genus Proteus
    type genus of the Proteidae
  7908. genus Protium
    genus of chiefly tropical American trees having fragrant wood and yielding gum elemi
  7909. genus Protoavis
    extinct primitive birds of the Triassic period
  7910. genus Protoceratops
    small horned dinosaurs
  7911. genus Protohippus
    a genus of Equidae
  7912. genus Prumnopitys
    mostly dioecious evergreen conifers
  7913. genus Prunella
    small genus of perennial mostly Eurasian having terminal spikes of small purplish or white flowers
  7914. genus Prunus
    a genus of shrubs and trees of the family Rosaceae that is widely distributed in temperate regions
  7915. genus Psaltriparus
    a genus of Paridae
  7916. genus Psenes
    a genus of Stromateidae
  7917. genus Psephurus
    a genus of Polyodontidae
  7918. genus Psetta
    a genus of Bothidae
  7919. genus Psettichthys
    a genus of Soleidae
  7920. genus Pseudacris
    chorus frogs
  7921. genus Pseudaletia
    moths whose larvae are armyworms
  7922. genus Pseudechis
    venomous Australian blacksnakes
  7923. genus Pseudemys
    sliders; red-bellied terrapin
  7924. genus Pseudobombax
    tropical American deciduous shrubs or small trees
  7925. genus Pseudococcus
    type genus of the Pseudococcidae
  7926. genus Pseudocolus
    a genus of fungi belonging to the family Clathraceae
  7927. genus Pseudolarix
    one species: golden larch
  7928. genus Pseudomonas
    type genus of the family Pseudomonodaceae
  7929. genus Pseudopleuronectes
    a genus of Pleuronectidae
  7930. genus Pseudoryx
    species of large cow-like mammals of Vietnam discovered by scientists in 1992
  7931. genus Pseudotaxus
    one species
  7932. genus Pseudotsuga
    douglas fir; closely related to genera Larix and Cathaya
  7933. genus Pseudowintera
    evergreen shrubs or small trees of Australia and New Zealand
  7934. genus Psidium
    guavas
  7935. genus Psilophyton
    type genus of the Psilophytaceae: genus of small wiry herbaceous Paleozoic plants with underground rhizomes and apical sporangia
  7936. genus Psilotum
    type genus of the Psilotaceae
  7937. genus Psithyrus
    a large bee that resembles the bumblebee but lacks pollen-collecting apparatus and a worker caste
  7938. genus Psittacosaurus
    most primitive genus of horned dinosaurs; early Cretaceous
  7939. genus Psittacula
    a genus of Psittacidae
  7940. genus Psittacus
    type genus of the Psittacidae: usually restricted to the African grey
  7941. genus Psophia
    type genus of the Psophiidae: trumpeters
  7942. genus Psophocarpus
    species of tropical Asian and African climbing herbs
  7943. genus Psoralea
    widely distributed genus of herbs or shrubs with glandular compound leaves and spicate or racemose purple or white flowers
  7944. genus Psychopsis
    epiphytic orchids of Central and South America formerly included in genus Oncidium
  7945. genus Psychotria
    tropical chiefly South American shrubs and trees
  7946. genus Pteretis
    small genus sometimes included in genus Onoclea
  7947. genus Pteridium
    a genus of ferns belonging to the family Dennstaedtiaceae
  7948. genus Pteris
    large genus of terrestrial ferns of tropics and subtropics
  7949. genus Pternohyla
    burrowing tree frogs
  7950. genus Pterocarpus
    genus of tropical trees or climbers having usually broadly winged pods
  7951. genus Pterocarya
    Asiatic nut trees: wing nuts
  7952. genus Pterocles
    type genus of the Pteroclididae
  7953. genus Pterocnemia
    a genus of birds of the family Rheidae
  7954. genus Pterodactylus
    a reptile genus of Pterodactylidae
  7955. genus Pterois
    lionfishes
  7956. genus Pteropogon
    genus of Australian and South African herbs including some from genus Helipterum
  7957. genus Pteropus
    a genus of Megachiroptera
  7958. genus Pterospermum
    genus of tropical Asian trees and shrubs
  7959. genus Pterostylis
    genus of terrestrial orchids of Australia and New Zealand and western Pacific
  7960. genus Ptilocercus
    pentails
  7961. genus Ptilocrinus
    sea lilies
  7962. genus Ptilonorhynchus
    type genus of the Ptilonorhynchidae
  7963. genus Ptloris
    a genus of Paradisaeidae
  7964. genus Ptyas
    Asian rat snakes
  7965. genus Ptychozoon
    flying geckos
  7966. genus Puccinia
    type genus of the Pucciniaceae
  7967. genus Pueraria
    genus of woody Asiatic vines: kudzu
  7968. genus Puffinus
    shearwaters
  7969. genus Pulex
    type genus of the Pulicidae
  7970. genus Pulicaria
    genus of temperate Old World herbs: fleabane
  7971. genus Pulsatilla
    includes a group of plants that in some classifications are included in the genus Anemone: pasqueflowers
  7972. genus Punica
    coextensive with the family Punicaceae
  7973. genus Pycnanthemum
    American mountain mint
  7974. genus Pygopus
    type genus of the Pygopodidae
  7975. genus Pygoscelis
    a genus of Spheniscidae
  7976. genus Pylodictus
    flathead catfishes
  7977. genus Pyracantha
    Eurasian evergreen thorny shrubs bearing red or orange-red berries
  7978. genus Pyralis
    type genus of the Pyralidae
  7979. genus Pyrausta
    moths whose larvae are corn borers
  7980. genus Pyrethrum
    used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum
  7981. genus Pyrocephalus
    a genus of Tyrannidae
  7982. genus Pyrola
    short-stemmed perennial herbs of cool or temperate regions: wintergreen; shinleaf
  7983. genus Pyrophorus
    tropical click beetles
  7984. genus Pyrrhula
    bullfinches
  7985. genus Pyrrhuloxia
    large showy finches related to cardinals
  7986. genus Pyrrosia
    epiphytic or lithophytic or terrestrial ferns of tropical Old World
  7987. genus Pyrularia
    small genus of chiefly Asiatic parasitic shrubs
  7988. genus Pyrus
    fruit trees native to the Old World: pears
  7989. genus Pythium
    destructive root-parasitic fungi
  7990. genus Python
    Old World boas
  7991. genus Pyxidanthera
    one species: pyxie; the eastern United States
  7992. genus Quamassia
    genus of scapose herbs of North and South America having large edible bulbs
  7993. genus Quassia
    tropical trees and shrubs with pinnate leaves and large scarlet flowers; bark is medicinal
  7994. genus Quercus
    oaks
  7995. genus Quiscalus
    grackles
  7996. genus Rachycentron
    genus and family are coextensive and comprise only the cobia
  7997. genus Radiigera
    a genus of fungus belonging to the family Geastraceae
  7998. genus Radyera
    very small genus of shrubs of southern hemisphere: bush hibiscus
  7999. genus Raffia
    feather palm of tropical Africa and Madagascar and Central and South America widely grown for commercial purposes
  8000. genus Raja
    type genus of the family Rajidae
  8001. genus Ramalina
    shrubby lichens of the family Usneaceae having a flattened thallus
  8002. genus Ramphomicron
    thornbills
  8003. genus Rana
    type genus of the Ranidae
  8004. genus Ranatra
    elongate very slender water scorpions
  8005. genus Rangifer
    reindeer or caribou
  8006. genus Ranunculus
    annual, biennial or perennial herbs: buttercup; crowfoot
  8007. genus Raoulia
    genus of low-growing mat-forming New Zealand plants
  8008. genus Raphanus
    radish
  8009. genus Raphia
    feather palm of tropical Africa and Madagascar and Central and South America widely grown for commercial purposes
  8010. genus Raphicerus
    African antelopes: steenboks
  8011. genus Raphus
    type genus of the Raphidae: dodos
  8012. genus Ratibida
    genus of perennial wildflowers of North American plains and prairies; often cultivated for their showy flower heads
  8013. genus Rattus
    common house rats; upper incisors have a beveled edge
  8014. genus Rauvolfia
    pantropical genus of somewhat poisonous shrubs and small trees
  8015. genus Rauwolfia
    pantropical genus of somewhat poisonous shrubs and small trees
  8016. genus Ravenala
    woody tropical plants with tall trunks
  8017. genus Recurvirostra
    type genus of the Recurvirostridae: avocets
  8018. genus Regalecus
    type genus of the Regalecidae
  8019. genus Regnellidium
    one species of aquatic or semiaquatic fern
  8020. genus Regulus
    a genus of birds of the family Sylviidae including kinglets
  8021. genus Reithrodontomys
    New World harvest mice
  8022. genus Remilegia
    a genus of Echeneididae
  8023. genus Reseda
    Old World genus of herbs having racemose flowers: mignonette
  8024. genus Retama
    small genus of Mediterranean shrubs
  8025. genus Reticulitermes
    includes species highly destructive to structures and living trees
  8026. genus Retrophyllum
    small genus of tropical evergreen dioecious shrubs or trees of Oceania and tropical South America
  8027. genus Rhagoletis
    a genus of Trypetidae
  8028. genus Rhamnus
    type genus of the Rhamnaceae: buckthorns
  8029. genus Rhapis
    genus of small clump-forming fan palms of China and Japan
  8030. genus Rhea
    type genus of the Rheidae
  8031. genus Rheum
    rhubarb
  8032. genus Rhexia
    deer grass
  8033. genus Rhincodon
    whale sharks
  8034. genus Rhinoceros
    type genus of the Rhinocerotidae
  8035. genus Rhinonicteris
    orange horseshoe bats
  8036. genus Rhinoptera
    a genus of Myliobatidae
  8037. genus Rhipsalis
    large genus of epiphytic or lithophytic unarmed cacti with usually segmented stems and pendulous branches; flowers are small followed by berrylike fruits
  8038. genus Rhizobium
    the type genus of Rhizobiaceae
  8039. genus Rhizoctinia
    form genus of imperfect fungi some species of which are now placed in genera Pellicularia and Corticium because their perfect stages have been found
  8040. genus Rhizophora
    type genus of the Rhizophoraceae
  8041. genus Rhizopogon
    a genus of fungi having subterranean sporophores resembling tubers
  8042. genus Rhizopus
    a genus of rot-causing fungi having columnar hemispherical aerial sporangia anchored to the substrate by rhizoids
  8043. genus Rhodanthe
    genus of xerophytic herbs and shrubs of South Africa and Australia; sometimes included in genus Helipterum
  8044. genus Rhododendron
    large genus of evergreen shrubs native to cooler regions of the northern hemisphere having showy flowers
  8045. genus Rhodosphaera
    one species; an Australian evergreen sumac
  8046. genus Rhodymenia
    type genus of the family Rhodymeniaceae
  8047. genus Rhus
    deciduous or evergreen shrubs and shrubby trees of temperate and subtropical North America, South Africa, eastern Asia and northeastern Australia; usually limited to nonpoisonous sumacs (see genus Toxicodendron)
  8048. genus Rhyacotriton
    olympic salamanders
  8049. genus Rhynchoelaps
    Australian coral snakes
  8050. genus Rhyncostylis
    genus of epiphytic orchids of tropical Asia
  8051. genus Rhynia
    type genus of the Rhyniaceae
  8052. genus Ribes
    a flowering shrub bearing currants or gooseberries
  8053. genus Richea
    evergreen trees or shrubs of mountains of Australia and Tasmania
  8054. genus Richmondena
    cardinals
  8055. genus Ricinus
    a genus of herb having only one known species: castor-oil plant
  8056. genus Rickettsia
    can cause typhus and Rocky Mountain spotted fever in humans
  8057. genus Riparia
    a genus of Hirundinidae
  8058. genus Rissa
    a genus of Laridae
  8059. genus Rivina
    small genus of erect perennial shrubby herbs
  8060. genus Rivulus
    killifish
  8061. genus Robinia
    deciduous flowering trees and shrubs
  8062. genus Roccella
    chiefly fruticose maritime rock-inhabiting lichens
  8063. genus Roccus
    a genus of Serranidae
  8064. genus Rodolia
    genus of Australian ladybugs
  8065. genus Romneya
    one species: matilija poppy
  8066. genus Roridula
    insectivorous undershrubs of South Africa
  8067. genus Rorippa
    annual and perennial herbs of damp habitats
  8068. genus Rosa
    large genus of erect or climbing prickly shrubs including roses
  8069. genus Rosellinia
    fungi having smooth perithecia with dark one-celled ascospores
  8070. genus Rosmarinus
    rosemary
  8071. genus Roystonea
    a monocotyledonous genus of West Indian feather palms
  8072. genus Rubia
    type genus of the Rubiaceae
  8073. genus Rubus
    large genus of brambles bearing berries
  8074. genus Rudbeckia
    North American perennial herbs with showy cone-shaped flower heads
  8075. genus Rumex
    docks: coarse herbs and shrubs mainly native to north temperate regions
  8076. genus Rumohra
    leatherleaf ferns: in some classifications included in genus Polystichum
  8077. genus Rupicapra
    chamois
  8078. genus Rupicola
    cock of the rocks
  8079. genus Ruptiliocarpon
    new (1993) genus of trees of Central America now recognized as similar to those of genus Lepidobotrys
  8080. genus Ruscus
    a genus of European evergreen shrubs
  8081. genus Russula
    large genus of fungi with stout stems and white spores and neither annulus nor volva; brittle caps of red or purple or yellow or green or blue; differs from genus Lactarius in lacking milky juice
  8082. genus Ruta
    type genus of the Rutaceae; strong-scented Eurasian herbs
  8083. genus Rutilus
    roaches
  8084. genus Rynchops
    type genus of the Rynchopidae: skimmers
  8085. genus Rypticus
    a genus of fish of the family Serranidae, including soapfishes
  8086. genus Sabal
    American dwarf fan palms
  8087. genus Sabbatia
    genus of smooth slender North American herbs with showy flowers
  8088. genus Sabinea
    small genus of deciduous West Indian trees or shrubs: carib wood
  8089. genus Saccharomyces
    single-celled yeasts that reproduce asexually by budding
  8090. genus Saccharum
    tall perennial reedlike grass originally of southeastern Asia: sugarcane
  8091. genus Sadleria
    low tree ferns with large fronds
  8092. genus Sagina
    small low-growing annual or perennial herbs of temperate and cool regions
  8093. genus Sagitta
    chief genus of Chaetognatha including the largest arrowworms
  8094. genus Sagittaria
    genus of aquatic herbs of temperate and tropical regions having sagittate or hastate leaves and white scapose flowers
  8095. genus Sagittarius
    type genus of the Sagittariidae
  8096. genus Saiga
    Eurasian antelopes: saigas
  8097. genus Saimiri
    squirrel monkeys
  8098. genus Saintpaulia
    east African herb with nodding flowers; widely cultivated
  8099. genus Salamandra
    type genus of the Salamandridae
  8100. genus Salicornia
    glassworts
  8101. genus Salix
    a large and widespread genus varying in size from small shrubs to large trees: willows
  8102. genus Salmo
    type genus of the Salmonidae: salmon and trout
  8103. genus Salmonella
    a genus of bacteria
  8104. genus Salpa
    type (perhaps sole) genus of the Salpidae
  8105. genus Salpichroa
    herbs of temperate North and South America: cock's eggs
  8106. genus Salpiglossis
    small genus of herbs of the southern Andes having large showy flowers
  8107. genus Salpinctes
    a genus of Troglodytidae
  8108. genus Salsola
    chiefly Old World herbs or shrubs: saltworts
  8109. genus Salvadora
    genus of evergreen trees or shrubs
  8110. genus Salvelinus
    brook trout
  8111. genus Salvia
    large genus of shrubs and subshrubs of the mint family varying greatly in habit: sage
  8112. genus Salvinia
    type genus of the Salviniaceae: water ferns
  8113. genus Sambucus
    elder; elderberry
  8114. genus Samia
    silkworm moths
  8115. genus Samolus
    genus of herbs usually growing in salt marshes: water pimpernels
  8116. genus Sanguinaria
    one species: bloodroot
  8117. genus Sanicula
    chiefly American herbs: sanicle
  8118. genus Sansevieria
    Old World tropical herbaceous perennial of the agave family
  8119. genus Santalum
    parasitic trees of Indonesia and Malaysia
  8120. genus Santolina
    genus of Mediterranean subshrubs with rayless flower heads
  8121. genus Sanvitalia
    small genus of tropical American annual herbs: creeping zinnia
  8122. genus Sapindus
    type genus of the Sapindaceae
  8123. genus Saponaria
    mostly perennial Old World herbs
  8124. genus Saprolegnia
    aquatic fungi growing chiefly on plant debris and animal remains
  8125. genus Sarcobatus
    one species: greasewood
  8126. genus Sarcocephalus
    genus of tropical African trees and shrubs
  8127. genus Sarcochilus
    diminutive epiphytic or lithophytic orchids with clumped short-stemmed foliage and arching racemes of colorful flowers; Australia and Polynesia to southeastern Asia
  8128. genus Sarcocystis
    chief genus of the order Sarcosporidia
  8129. genus Sarcodes
    snow plant
  8130. genus Sarcophaga
    flesh flies
  8131. genus Sarcophilus
    Tasmanian devil
  8132. genus Sarcoptes
    type genus of the family Sarcoptidae: itch mites
  8133. genus Sarcorhamphus
    usually containing only the king vulture
  8134. genus Sarcostemma
    succulent subshrubs or vines
  8135. genus Sarda
    bonitos
  8136. genus Sardina
    pilchards
  8137. genus Sardinia
    pilchards
  8138. genus Sardinops
    pilchards
  8139. genus Sargassum
    a genus of protoctist
  8140. genus Sarracenia
    pitcher plants
  8141. genus Sassafras
    a genus of sassafras
  8142. genus Satureia
    savory
  8143. genus Satureja
    savory
  8144. genus Saturnia
    type genus of the Saturniidae: emperor moth
  8145. genus Sauromalus
    chuckwallas
  8146. genus Saurosuchus
    early archosaurian carnivore
  8147. genus Saururus
    type genus of the Saururaceae: lizard's-tails
  8148. genus Saussurea
    genus of herbs of temperate and cool regions of Eurasia
  8149. genus Saxe-gothea
    one species: Prince Albert's yew
  8150. genus Saxegothea
    one species: Prince Albert's yew
  8151. genus Saxicola
    Old World chats
  8152. genus Saxifraga
    type genus of the Saxifragaceae
  8153. genus Sayornis
    phoebes
  8154. genus Scabiosa
    annual or perennial herbs or subshrubs; mainly Mediterranean
  8155. genus Scaphiopus
    New World spadefoot toads
  8156. genus Scaphosepalum
    comprises some tropical American species usually placed in genus Masdevallia: diminutive plants with small flowers carried on one scape
  8157. genus Scarabaeus
    type genus of the Scarabaeidae
  8158. genus Scardinius
    rudds
  8159. genus Scartella
    a genus of Blenniidae
  8160. genus Sceliphron
    mud daubers
  8161. genus Sceloglaux
    a genus of Strigidae
  8162. genus Sceloporus
    spiny lizards
  8163. genus Schaffneria
    one species
  8164. genus Schefflera
    large genus of shrubby and climbing tropical plants having showy digitately compound foliage
  8165. genus Schinus
    genus of evergreen shrubs and trees of tropical and subtropical regions of South and Central America and Canary Islands and China
  8166. genus Schistosoma
    type genus of the family Schistosomatidae: blood flukes
  8167. genus Schizachyrium
    overlaps the genus Andropogon
  8168. genus Schizaea
    type genus of the Schizaeaceae cosmopolitan especially in tropics; small leptosporangiate ferns: curly grass fern
  8169. genus Schizanthus
    Chilean herbs with orchid-like flowers
  8170. genus Schizopetalon
    small genus of South American herbs grown for its flowers
  8171. genus Schizophragma
    small genus of deciduous climbing and creeping shrubs with white flowers in flat clusters; sometimes placed in family Saxifragaceae
  8172. genus Schizosaccharomyces
    type and only genus of Schizosaccharomycetaceae
  8173. genus Schlumbergera
    South American epiphytic or lithophytic cacti
  8174. genus Schomburgkia
    genus of tropical American epiphytic orchids with showy racemose flowers
  8175. genus Sciadopitys
    type and sole genus of Sciadopityaceae
  8176. genus Sciaena
    type genus of the Sciaenidae: croakers
  8177. genus Sciaenops
    a genus of Sciaenidae
  8178. genus Sciara
    type genus of the Sciaridae: fungus gnat
  8179. genus Scilla
    sometimes placed in subfamily Hyacinthaceae
  8180. genus Scincella
    a reptile genus of Scincidae
  8181. genus Scincus
    type genus of Scincidae
  8182. genus Scindapsus
    evergreen climbers with adhesive adventitious roots
  8183. genus Scirpus
    rhizomatous perennial grasslike herbs
  8184. genus Sciurus
    type genus of the Sciuridae
  8185. genus Scleranthus
    small genus of Old World weedy prostrate annuals: knawel
  8186. genus Scleroderma
    genus of poisonous fungi having hard-skinned fruiting bodies: false truffles
  8187. genus Scleropages
    a genus of large freshwater fishes of Australia and Borneo
  8188. genus Sclerotinia
    large genus of ascomycetous fungi including various destructive plant pathogens
  8189. genus Sclerotium
    form genus of sterile imperfect fungi
  8190. genus Scolopax
    type of the Scolopacidae: Old World woodcocks
  8191. genus Scolopendrium
    a genus of ferns belonging to the family Polypodiaceae
  8192. genus Scolymus
    small genus of thistlelike herbs of the Mediterranean region
  8193. genus Scolytus
    type genus of the Scolytidae comprising numerous small bark beetles
  8194. genus Scomber
    type genus of the Scombridae
  8195. genus Scomberesox
    a genus of Scomberesocidae
  8196. genus Scomberomorus
    Spanish mackerels
  8197. genus Scombresox
    a genus of Scomberesocidae
  8198. genus Scophthalmus
    a genus of Bothidae
  8199. genus Scopolia
    genus of European perennial herbs yielding medicinal alkaloids
  8200. genus Scorpaena
    type genus of the Scorpaenidae: scorpionfishes
  8201. genus Scorzonera
    genus of narrow-leaved European herbs
  8202. genus Scrophularia
    type genus of Scrophulariaceae
  8203. genus Scutellaria
    an asterid dicot genus that includes the skullcaps
  8204. genus Scutigera
    a genus of Scutigeridae
  8205. genus Scutigerella
    garden centipedes
  8206. genus Sebastiana
    Mexican spurges
  8207. genus Sebastodes
    rockfishes
  8208. genus Secale
    cereal grass widely cultivated for its grain: rye
  8209. genus Sedum
    large genus of rock plants having thick fleshy leaves
  8210. genus Seismosaurus
    genus of large herbivorous dinosaurs of Cretaceous found in western North America
  8211. genus Seiurus
    ovenbirds and water thrushes
  8212. genus Selaginella
    type and sole genus of the Selaginellaceae
  8213. genus Selar
    big-eyed scad
  8214. genus Selenarctos
    Asiatic black bears
  8215. genus Selene
    a genus of Carangidae
  8216. genus Selenicereus
    mostly epiphytic climbing cacti that bloom at night
  8217. genus Selenipedium
    genus of tall reedlike tropical American orchids
  8218. genus Senecio
    enormous and diverse cosmopolitan genus of trees and shrubs and vines and herbs including many weeds
  8219. genus Senna
    genus of shrubs and trees and herbs many of which are often classified as members of the genus Cassia
  8220. genus Sepia
    type genus of the Sepiidae
  8221. genus Septobasidium
    type genus of Septobasidiaceae: smooth shelf fungi usually having a well-developed sometimes thick-walled hypobasidium
  8222. genus Sequoia
    redwoods
  8223. genus Sequoiadendron
    giant sequoias
  8224. genus Serenoa
    one species: saw palmetto
  8225. genus Sericocarpus
    small genus of herbs of the eastern United States: white-topped asters
  8226. genus Serinus
    Old World finches; e.g. canaries and serins
  8227. genus Seriola
    a genus of Carangidae
  8228. genus Seriphidium
    woody plants grown chiefly for their silver or grey and often aromatic foliage; formerly included in the genus Artemisia
  8229. genus Seriphus
    a genus of Sciaenidae
  8230. genus Serranus
    type genus of the Serranidae: mostly small Pacific sea basses
  8231. genus Serrasalmus
    piranhas
  8232. genus Serratia
    a genus of motile peritrichous bacteria that contain small Gram-negative rod
  8233. genus Serratula
    genus of Old World perennial herbs with spirally arranged toothed leaves
  8234. genus Sertularia
    sessile hydroid that forms feathery colonies
  8235. genus Sesamum
    tropical African and Indian herbs
  8236. genus Sesbania
    small genus of tropical and subtropical leguminous herbs or shrubs or trees
  8237. genus Seseli
    a rosid dicot genus that includes moon carrots
  8238. genus Setaria
    annual or perennial grasses of warm regions: bristlegrasses
  8239. genus Setophaga
    a genus of Parulidae
  8240. genus Shigella
    a genus of bacteria
  8241. genus Shorea
    genus of Indonesian and Malaysian timber trees rich in resin
  8242. genus Shortia
    evergreen perennial herbs of North America and eastern Asia: oconee bells
  8243. genus Sialia
    North American bluebirds
  8244. genus Sialis
    type genus of the Sialidae
  8245. genus Sida
    large genus of tropical subshrubs or herbs some of which yield fibers of mucilaginous substances
  8246. genus Sidalcea
    genus of showy plants of western North America having palmate leaves and variously colored racemose flowers
  8247. genus Sideritis
    genus of woolly aromatic herbs or subshrubs or shrubs of Mediterranean region
  8248. genus Sigmodon
    American cotton rats
  8249. genus Silene
    large widely distributed genus of plants having mostly showy flowers of various colors: campion; catchfly
  8250. genus Sillago
    type genus of the Sillaginidae
  8251. genus Silphium
    tall North American perennial herbs
  8252. genus Silurus
    type genus of the Siluridae: catfishes
  8253. genus Silvia
    type genus of the Sylviidae: warblers
  8254. genus Silybum
    small genus of east African herbs
  8255. genus Simarouba
    type genus of Simaroubaceae
  8256. genus Simulium
    type genus of the Simuliidae: blackflies
  8257. genus Sinapis
    small genus of Old World herbs usually included in genus Brassica
  8258. genus Sinningia
    genus of perennial tuberous herbs and shrubs of Central and South America
  8259. genus Sinornis
    a genus of fossil birds
  8260. genus Siren
    a genus of Sirenidae
  8261. genus Sison
    genus including stone parsley
  8262. genus Sistrurus
    pygmy rattlesnakes
  8263. genus Sisymbrium
    genus of Old World annual or biennial or perennial herbs with racemose flowers; many are considered to be weeds
  8264. genus Sisyrinchium
    chiefly North American grasslike herbs
  8265. genus Sitophylus
    a genus of Bruchidae
  8266. genus Sitotroga
    grain moths
  8267. genus Sitta
    type genus of the Sittidae
  8268. genus Sium
    perennial of wet and marshy places in the northern hemisphere: water parsnips
  8269. genus Sivapithecus
    extinct primates; lower Pliocene
  8270. genus Sloanea
    genus of tropical hardwood timber trees
  8271. genus Smilax
    sometimes placed in Smilacaceae
  8272. genus Smiledon
    saber-toothed tigers
  8273. genus Smyrnium
    Alexanders
  8274. genus Sobralia
    genus of tropical American orchids
  8275. genus Solandra
    shrubby climbers of tropical America
  8276. genus Solanopteris
    tropical American epiphytic ferns having rhizomes with tubers and roots as well as scales
  8277. genus Solanum
    type genus of the Solanaceae: nightshade
  8278. genus Solea
    type genus of the Soleidae
  8279. genus Soleirolia
    one species; a dwarf creeping mat-forming evergreen herb
  8280. genus Solenopsis
    fire ants
  8281. genus Solenostemon
    genus of shrubby often succulent herbs of tropical Africa and Asia; includes some plants often placed in genus Coleus
  8282. genus Solidago
    goldenrod
  8283. genus Somateria
    eider ducks
  8284. genus Sonchus
    sow thistles
  8285. genus Sonora
    ground snakes
  8286. genus Sophora
    cosmopolitan genus of trees and shrubs having odd-pinnate leaves and showy flowers; some species placed in genus Podalyria
  8287. genus Sorbus
    a genus of shrubs or trees of the family Rosaceae having feathery leaves
  8288. genus Sorex
    type genus of the family Soricidae: shrews
  8289. genus Sorghum
    annual or perennial tropical and subtropical cereal grasses: sorghum
  8290. genus Spadella
    marine worms resembling the sagittas but with a broader body and only one pair of lateral fins
  8291. genus Spalax
    type genus of the Spalacidae
  8292. genus Sparaxis
    deciduous perennial herbs of South Africa
  8293. genus Sparganium
    type and sole genus of Sparganiaceae
  8294. genus Sparmannia
    small genus of tropical African shrubs
  8295. genus Spartina
    grass of freshwater swamps and salt marshes of Europe, Africa, America, and South Atlantic islands
  8296. genus Spartium
    one species: Spanish broom
  8297. genus Spathiphyllum
    evergreen rhizomatous perennials of tropical America and Philippines and Indonesia
  8298. genus Spergula
    small genus of Old World annual herbs: corn spurry
  8299. genus Spergularia
    chiefly maritime Eurasian herbs: sand spurry; sea spurry
  8300. genus Spermophilus
    typical ground squirrels
  8301. genus Sphacele
    a dicotyledonous genus of the family Labiatae
  8302. genus Sphaeralcea
    large genus of chiefly tropical herbs with showy flowers and mostly globose fruits: globe mallows
  8303. genus Sphaerocarpos
    type genus of Sphaerocarpaceae
  8304. genus Sphaerocarpus
    type genus of Sphaerocarpaceae
  8305. genus Sphagnum
    a large genus constituting the order Sphagnales: atypical mosses of temperate bogs with leaves that can hold much water
  8306. genus Sphecius
    large solitary wasps: cicada killer
  8307. genus Sphecotheres
    a genus of Old World orioles
  8308. genus Spheniscus
    type genus of the Spheniscidae: jackass penguins
  8309. genus Sphenodon
    coextensive with the order Rhynchocephalia: tuataras
  8310. genus Sphyraena
    type and sole genus of the Sphyraenidae: barracuda
  8311. genus Sphyrapicus
    a genus of Picidae
  8312. genus Sphyrna
    type genus of the Sphyrnidae
  8313. genus Spilogale
    a genus of Mustelidae
  8314. genus Spinacia
    spinach
  8315. genus Spinus
    in some classifications considered a subgenus of Carduelis: siskins and New World goldfinches
  8316. genus Spiraea
    a dicotyledonous genus of the family Rosaceae
  8317. genus Spiranthes
    large cosmopolitan genus of white-flowered terrestrial orchids
  8318. genus Spirillum
    a genus of bacteria
  8319. genus Spirochaeta
    the type genus of the family Spirochaetaceae
  8320. genus Spirodela
    minute aquatic herbs floating on the water surface consisting of a shiny leaflike frond and 2-21 roots
  8321. genus Spirogyra
    a genus of protoctist
  8322. genus Spirula
    genus of small cephalopods with many-chambered spiral shells resembling those of the extinct belemnites
  8323. genus Spizella
    chipping sparrow; field sparrow; tree sparrow
  8324. genus Spodoptera
    moths whose larvae are armyworms
  8325. genus Spondias
    tropical trees having one-seeded fruit
  8326. genus Sporobolus
    cosmopolitan annual and perennial grasses
  8327. genus Spraguea
    small genus of usually perennial herbs having deep woody taproots and flower heads of umbels or cymes
  8328. genus Spyeria
    fritillaries
  8329. genus Squalus
    spiny dogfishes
  8330. genus Squatina
    type genus of the Squatinidae: angel sharks
  8331. genus Squilla
    type genus of the family Squillidae
  8332. genus Stachys
    large genus of usually woolly or hairy herbs or subshrubs or shrubs; temperate eastern hemisphere; tropical Australasia
  8333. genus Stanhopea
    genus of tropical American epiphytic orchids
  8334. genus Stanleya
    prince's plume
  8335. genus Stapelia
    genus of foul-smelling plants resembling cacti
  8336. genus Staphylea
    a genus of small trees or shrubs of the family Staphylaceae
  8337. genus Staphylococcus
    includes many pathogenic species
  8338. genus Staurikosaurus
    primitive ornithischian dinosaur found in Brazil
  8339. genus Steatornis
    type and sole genus of the family Steatornithidae
  8340. genus Steganopus
    a genus of Phalaropidae
  8341. genus Stegosaurus
    quadrupedal armored herbivore of the Jurassic and Cretaceous
  8342. genus Stelis
    genus of small caespitose orchids of tropical America
  8343. genus Stellaria
    common chickweed; stitchwort
  8344. genus Stenocarpus
    small genus of timber trees; Australia to Malaysia
  8345. genus Stenochlaena
    large tropical ferns
  8346. genus Stenopelmatus
    sand crickets
  8347. genus Stenopterygius
    a reptile genus of Ichthyosauridae
  8348. genus Stenotaphrum
    lawn grasses
  8349. genus Stenotomus
    scups
  8350. genus Stenotus
    genus of western North American low evergreen shrubs growing in dense tufts
  8351. genus Stentor
    trumpet-shaped protozoa with a ciliated spiral feeding funnel
  8352. genus Stephanomeria
    malheur wire lettuce
  8353. genus Stephanotis
    genus of Old World tropical woody vines
  8354. genus Stercorarius
    type genus of the Stercorariidae: jaegers
  8355. genus Sterculia
    type genus of the Sterculiaceae: deciduous or evergreen trees of Old and New World tropics and subtropics
  8356. genus Sterna
    a genus of Sterninae
  8357. genus Sternotherus
    musk turtles
  8358. genus Stevia
    genus of shrubs and herbs of tropical and warm Americas
  8359. genus Sticherus
    umbrella ferns; warm regions of Australia and New Zealand
  8360. genus Stictomys
    mountain pacas
  8361. genus Stictopelia
    a genus of Columbidae
  8362. genus Stizolobium
    genus of tropical herbs and woody vines having trifoliate leaves and showy flowers in axillary clusters
  8363. genus Stizostedion
    pike-perches
  8364. genus Stokesia
    one species: stokes' aster
  8365. genus Storeria
    a genus of Colubridae
  8366. genus Strekelia
    a monocotyledonous genus of the amaryllis family
  8367. genus Strelitzia
    small genus of large perennial evergreen herbs having leaves resembling those of banana plants; sometimes placed in family Musaceae
  8368. genus Strepera
    bell magpies
  8369. genus Strepsiceros
    African antelopes: kudus; bongos; nyalas; bushbucks
  8370. genus Streptocarpus
    large genus of usually stemless African or Asian herbs: Cape primrose
  8371. genus Streptococcus
    a genus of bacteria
  8372. genus Streptomyces
    type genus of the family Streptomycetaceae
  8373. genus Streptopelia
    turtledoves
  8374. genus Streptosolen
    one species: marmalade bush
  8375. genus Strix
    owls lacking ear tufts
  8376. genus Strobilomyces
    fungi similar to Boletus but with a shaggy scaly cap
  8377. genus Strombus
    type genus of the family Strombidae
  8378. genus Strongylodon
    genus of Polynesian or southeastern Asian shrubs or vines
  8379. genus Strophanthus
    genus of tropical Asiatic and African shrubs and woody vines and small trees
  8380. genus Stropharia
    genus of gill fungi with brown spores that is closely related to Agaricus; here placed in its own family Strophariaceae
  8381. genus Struthio
    type genus of the Struthionidae: African ostriches
  8382. genus Struthiomimus
    small toothless saurischian dinosaurs
  8383. genus Strymon
    large and widely distributed genus of hairstreak butterflies
  8384. genus Sturnella
    a genus of passerine birds including the meadowlarks
  8385. genus Sturnus
    type genus of the Sturnidae: common starlings
  8386. genus Stylomecon
    one species: wind poppy
  8387. genus Stylophorum
    wood poppies
  8388. genus Styphelia
    Australian heathlike shrubs
  8389. genus Styracosaurus
    genus of horned dinosaurs
  8390. genus Styrax
    deciduous or evergreen shrubs and small trees
  8391. genus Subularia
    small genus of herbs of north temperate regions and mountains of tropical Africa
  8392. genus Suillus
    a genus of fungi belonging to the family Boletaceae
  8393. genus Suksdorfia
    small genus of rhizomatous herbs of northwestern America and South America
  8394. genus Sula
    type genus of the Sulidae
  8395. genus Sundacarpus
    one species
  8396. genus Suricata
    meerkats
  8397. genus Surnia
    a genus of hawk-like owls
  8398. genus Sus
    type genus of the Suidae
  8399. genus Swainsona
    a genus of Australian herbs and subshrubs: darling peas
  8400. genus Swertia
    genus of herbs of mountains of North America and Eurasia and Africa
  8401. genus Swietinia
    tropical American mahogany trees
  8402. genus Sylvilagus
    North American rabbits
  8403. genus Symphalangus
    used in some classifications for the siamangs
  8404. genus Symphoricarpos
    deciduous shrubs of North America and Central America and China
  8405. genus Symphytum
    comfrey
  8406. genus Symplocarpus
    one species: skunk cabbage
  8407. genus Symplocus
    type and sole genus of Symplocaceae including sweetleaf
  8408. genus Synagrops
    a genus of Serranidae
  8409. genus Synanceja
    stonefishes
  8410. genus Synaptomys
    bog lemmings
  8411. genus Synchytrium
    simple parasitic fungi including pond scum parasites
  8412. genus Synercus
    Cape buffalo
  8413. genus Syngnathus
    type genus of the family Syngnathidae
  8414. genus Syngonium
    epiphytic or terrestrial climbing shrubs of Central and South America; used as ornamental houseplants for their velvety foliage
  8415. genus Syringa
    genus of Old World shrubs or low trees having fragrant flowers in showy panicles: lilacs
  8416. genus Syrrhaptes
    a genus of Pteroclididae
  8417. genus Syzygium
    a tropical evergreen tree of the myrtle family native to the East Indies but cultivated elsewhere
  8418. genus Tabernaemontana
    evergreen tropical trees and shrubs with milky sap
  8419. genus Tacca
    genus of tropical plants with creeping rootstocks and small umbellate flowers
  8420. genus Tachyglossus
    type genus of the family Tachyglossidae
  8421. genus Tachypleus
    a genus of Limulidae
  8422. genus Tadarida
    freetail bats
  8423. genus Tadorna
    sheldrakes
  8424. genus Taenia
    type genus of the family Taeniidae: tapeworms
  8425. genus Tagetes
    marigolds
  8426. genus Talinum
    genus of mainly American more-or-less succulent herbs
  8427. genus Tamandua
    lesser anteater
  8428. genus Tamarindus
    widely cultivated tropical trees originally of Africa
  8429. genus Tamarix
    genus of deciduous shrubs or small trees of eastern Mediterranean regions and tropical Asia
  8430. genus Tamias
    chipmunks of eastern North America
  8431. genus Tamiasciurus
    American red squirrels
  8432. genus Tamus
    a genus of tuberous vines of the family Dioscoreaceae
  8433. genus Tanacetum
    a large genus of plants resembling chrysanthemums
  8434. genus Tantilla
    black-headed snakes
  8435. genus Tapirus
    type genus of the Tapiridae
  8436. genus Taraktagenos
    medium to large Indonesian and Malaysian trees
  8437. genus Taraktogenos
    medium to large Indonesian and Malaysian trees
  8438. genus Taraxacum
    an asterid dicot genus of the family Compositae including dandelions
  8439. genus Taricha
    Pacific newts
  8440. genus Tarpon
    tarpons
  8441. genus Tarrietia
    small genus of east Asian and Australian timber trees
  8442. genus Tarsius
    type and sole genus of the family Tarsiidae
  8443. genus Taurotragus
    African antelopes: elands
  8444. genus Tautoga
    tautogs
  8445. genus Tautogolabrus
    a genus of Labridae
  8446. genus Taxidea
    in some classifications considered a genus of subfamily Melinae
  8447. genus Taxodium
    bald cypress; swamp cypress
  8448. genus Taxus
    yews
  8449. genus Tayassu
    type genus of the Tayassuidae
  8450. genus Tectaria
    terrestrial or epilithic ferns of tropical rain forests
  8451. genus Tectona
    small genus of southeastern Asian tropics: teak
  8452. genus Telanthera
    used in former classifications systems
  8453. genus Tellima
    genus of hardy perennials with palmately lobed leaves and long racemes of small nodding five-petaled flowers; western North America
  8454. genus Telopea
    Australian evergreen shrubs: waratahs
  8455. genus Templetonia
    genus of Australian shrubs or subshrubs: coral bush
  8456. genus Tenrec
    type genus of the family Tenrecidae: tenrecs
  8457. genus Tephrosia
    genus of tropical and subtropical herbs or shrubs: hoary peas
  8458. genus Terebella
    type genus of Terebellidae
  8459. genus Teredo
    type genus of the family Teredinidae
  8460. genus Termes
    type genus of the Termitidae
  8461. genus Terrapene
    box turtles
  8462. genus Terrietia
    small genus of timber trees of eastern Asia, Australasia and tropical Africa that form large buttresses
  8463. genus Testudo
    type genus of the Testudinidae
  8464. genus Tethus
    type genus of the family Aplysiidae
  8465. genus Tetraclinis
    sandarac tree
  8466. genus Tetragonia
    New Zealand spinach
  8467. genus Tetragonurus
    a genus of Stromateidae
  8468. genus Tetrahymena
    protozoa having four membranous ciliary organelles
  8469. genus Tetraneuris
    genus of hairy yellow-flowered plants of the western United States
  8470. genus Tetrao
    type genus of the Tetraonidae: capercaillies
  8471. genus Tetrapturus
    a genus of Istiophoridae
  8472. genus Teucrium
    large widely distributed genus of perennial herbs or shrubs or subshrubs; native to Mediterranean region to western Asia
  8473. genus Thalarctos
    polar bears
  8474. genus Thalassoma
    a genus of Labridae
  8475. genus Thalictrum
    widely distributed genus of perennial herbs: meadow rue
  8476. genus Thamnophilus
    a genus of Formicariidae
  8477. genus Thamnophis
    garter snakes
  8478. genus Thelypteris
    marsh ferns: in some classification systems considered part of genus Dryopteris in family Dryopteridaceae
  8479. genus Theobroma
    cacao plants
  8480. genus Thermobia
    a genus of Lepismatidae
  8481. genus Thermopsis
    genus of American and Asiatic showy rhizomatous herbs: bush peas
  8482. genus Thespesia
    a small genus of tropical trees including the portia tree
  8483. genus Thevetia
    genus of poisonous tropical American evergreen shrubs and trees having entire leaves and large cymose flowers
  8484. genus Thielavia
    genus of fungi having spherical brown perithecia and some conidia borne in chains; cause root rot
  8485. genus Thiobacillus
    a genus of bacteria
  8486. genus Thlaspi
    herbs of temperate regions: pennycress
  8487. genus Thomomys
    western pocket gophers
  8488. genus Threskiornis
    type genus of the Threskiornithidae
  8489. genus Thrinax
    small to medium-sized fan palms
  8490. genus Thrips
    type genus of the Thripidae
  8491. genus Thryothorus
    Carolina wrens
  8492. genus Thuja
    red cedar
  8493. genus Thujopsis
    one species; has close similarity to genus Thuja
  8494. genus Thunbergia
    a genus of herbs or vines of the family Acanthaceae
  8495. genus Thunnus
    tunas: warm-blooded fishes
  8496. genus Thylacinus
    Tasmanian wolf
  8497. genus Thylogale
    pademelons
  8498. genus Thymus
    large genus of Old World mints: thyme
  8499. genus Thyrsopteris
    one species
  8500. genus Thysanocarpus
    small genus of herbs of upland regions of the Pacific coast of North America
  8501. genus Tiarella
    small genus of North American herbs having mostly basal leaves and slender racemes of delicate white flowers
  8502. genus Tibicen
    harvest flies
  8503. genus Tichodroma
    wall creepers
  8504. genus Tilapia
    a genus of Cichlidae
  8505. genus Tilia
    deciduous trees with smooth usually silver-grey bark of North America and Europe and Asia: lime trees; lindens; basswood
  8506. genus Tillandsia
    large genus of epiphytic or terrestrial sparse-rooting tropical plants usually forming dense clumps or pendant masses
  8507. genus Tilletia
    a genus of fungi belonging to the family Tilletiaceae
  8508. genus Timalia
    type genus of the Timaliidae
  8509. genus Tinca
    tench
  8510. genus Tinea
    type genus of the Tineidae: clothes moths
  8511. genus Tineola
    webbing clothes moths
  8512. genus Tipuana
    one species: South American tree: tipu tree
  8513. genus Titanosaurus
    genus of herbivorous dinosaurs flourishing during the Cretaceous in South America
  8514. genus Tithonia
    genus of robust herbs of Mexico and Central America: Mexican sunflower
  8515. genus Todea
    a genus of delicate ferns belonging to the family Osmundaceae
  8516. genus Todus
    type genus of the Todidae
  8517. genus Tofieldia
    genus of perennial herbs of cool temperate regions
  8518. genus Tolmiea
    one species: pickaback plant
  8519. genus Tolypeutes
    a genus of Dasypodidae
  8520. genus Tomistoma
    a genus of Malayan crocodiles
  8521. genus Toona
    formerly included in genus Cedrela
  8522. genus Torreya
    nutmeg-yews
  8523. genus Tortrix
    type genus of the Tortricidae
  8524. genus Townsendia
    genus of western American low tufted herbs: Easter daisy
  8525. genus Toxicodendron
    in some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch; of North America and northern South America
  8526. genus Toxostoma
    thrashers
  8527. genus Toxotes
    type genus of the Toxotidae
  8528. genus Trachelospermum
    genus of Asiatic woody vines with milky sap in leaves and stems
  8529. genus Trachinotus
    a genus of Carangidae
  8530. genus Trachipterus
    type genus of the Trachipteridae
  8531. genus Trachodon
    a reptile genus of the suborder Euronithopoda
  8532. genus Trachurus
    the scads (particularly horse mackerels)
  8533. genus Tradescantia
    spiderworts
  8534. genus Tragelaphus
    African antelopes: kudus; bongos; nyalas; bushbucks
  8535. genus Tragopan
    a genus of Phasianidae
  8536. genus Tragopogon
    genus of Old World herbs with linear entire leaves and yellow or purple flower heads
  8537. genus Tragulus
    type genus of the Tragulidae
  8538. genus Trapa
    small genus of Eurasian aquatic perennial herbs: water chestnut
  8539. genus Trautvetteria
    small genus of perennial herbs: false bugbane
  8540. genus Trema
    an evergreen tree of the family Ulmaceae that grows in tropical America and Africa and Asia
  8541. genus Tremella
    fungi with yellowish gelatinous sporophores having convolutions resembling those of the brain
  8542. genus Treponema
    type genus of Treponemataceae: anaerobic spirochetes with an undulating rigid body; parasitic in warm-blooded animals
  8543. genus Triaenodon
    a genus of Triakidae
  8544. genus Trialeurodes
    a genus of Aleyrodidae
  8545. genus Triatoma
    conenoses
  8546. genus Tribolium
    flour beetles
  8547. genus Tribonema
    type genus of Tribonemaceae
  8548. genus Tribulus
    annual or perennial herbs or subshrubs of warm regions
  8549. genus Triceratops
    genus of herbivorous horned dinosaurs
  8550. genus Trichecus
    type and sole genus of the Trichechidae
  8551. genus Trichoceros
    small genus of small epiphytic or terrestrial orchids of tropical South America
  8552. genus Trichodesmium
    a genus of blue-green algae
  8553. genus Trichoglossus
    a genus of Loriinae
  8554. genus Tricholoma
    agarics with white spores and a fleshy stalk and notched gills; of various colors both edible and inedible
  8555. genus Trichomanes
    bristle ferns; kidney ferns
  8556. genus Trichomonas
    flagellates parasitic in alimentary or genitourinary tracts of vertebrates and invertebrates including humans
  8557. genus Trichophaga
    carpet moths
  8558. genus Trichophyton
    a genus of fungus of the family Moniliaceae
  8559. genus Trichostema
    genus of North American aromatic herbs or subshrubs: blue curls
  8560. genus Trichostigma
    a genus of erect or climbing shrubs found in tropical South America
  8561. genus Trichosurus
    a genus of Phalangeridae
  8562. genus Trichys
    a genus of Hystricidae
  8563. genus Tridacna
    type genus of the family Tridacnidae: giant clams
  8564. genus Trifolium
    any leguminous plant having leaves divided into three leaflets
  8565. genus Triga
    type genus of the Triglidae
  8566. genus Triglochin
    perennial or annual bog or marsh plants
  8567. genus Trigonella
    Old World genus of frequently aromatic herbs
  8568. genus Trilisa
    genus of herbs of southern United States
  8569. genus Trillium
    deciduous perennial herbs
  8570. genus Trimorphodon
    lyre snakes
  8571. genus Trinectes
    a genus of Soleidae
  8572. genus Tringa
    a genus of Scolopacidae
  8573. genus Trionyx
    type genus of the Trionychidae
  8574. genus Triops
    type genus of the family Triopidae: small crustaceans with a small third median eye
  8575. genus Triostium
    genus of Asiatic and North American herbs: feverroot
  8576. genus Tripleurospermum
    small genus comprising plants often included in genus Matricaria
  8577. genus Triplochiton
    small genus of tropical African trees with maplelike leaves
  8578. genus Triticum
    annual cereal grasses from Mediterranean area
  8579. genus Triturus
    chiefly aquatic salamanders
  8580. genus Trogium
    a genus of Psocidae
  8581. genus Troglodytes
    type genus of the Troglodytidae
  8582. genus Trogon
    type genus of the Trogonidae
  8583. genus Trollius
    perennial herbs of north temperate regions: globeflowers
  8584. genus Trombicula
    type genus of the family Trombiculidae
  8585. genus Tropaeolum
    a tropical American genus of dicotyledonous climbing or diffuse pungent herbs constituting the family Tropaeolaceae
  8586. genus Tropidoclonion
    lined snakes
  8587. genus Truncocolumella
    a genus of fungi belonging to the family Rhizopogonaceae
  8588. genus Tsuga
    hemlock; hemlock fir; hemlock spruce
  8589. genus Tuber
    type genus of the Tuberaceae: fungi whose fruiting bodies are typically truffles
  8590. genus Tubercularia
    type genus of the Tuberculariaceae
  8591. genus Tulestoma
    type genus of the Tulostomaceae
  8592. genus Tulipa
    Eurasian perennial bulbous herbs
  8593. genus Tulostoma
    type genus of the Tulostomaceae
  8594. genus Tunga
    a genus of Siphonaptera
  8595. genus Tupaia
    the type genus of the Tupaia: chief genus of tree shrews
  8596. genus Tupinambis
    tejus
  8597. genus Turbatrix
    a genus of Cephalobidae
  8598. genus Turdus
    type genus of the Turdidae
  8599. genus Turnix
    type genus of the Turnicidae: button quail
  8600. genus Turreae
    genus of trees and shrubs of tropical Africa and Asia and Australia
  8601. genus Turritis
    closely related to and often included in genus Arabis
  8602. genus Tursiops
    a genus of Delphinidae
  8603. genus Tussilago
    genus of low creeping yellow-flowered perennial herbs of north temperate regions: coltsfoots; in some classifications includes species often placed in other genera especially Homogyne and Petasites
  8604. genus Tylenchus
    type genus of the family Tylenchidae
  8605. genus Tympanuchus
    prairie chickens
  8606. genus Typha
    reed maces; cattails
  8607. genus Tyrannosaurus
    includes a single species
  8608. genus Tyrannus
    type genus of the Tyrannidae: tyrant flycatchers
  8609. genus Tyto
    type and only genus of the family Tytonidae
  8610. genus Uca
    fiddler crabs
  8611. genus Uintatherium
    type genus of the Uintatheriidae
  8612. genus Ulex
    genus of Eurasian spiny shrubs: gorse
  8613. genus Ulmus
    type genus of family Ulmaceae
  8614. genus Ulva
    type genus of the family Ulvaceae
  8615. genus Uma
    fringe-toed lizard
  8616. genus Umbellularia
    aromatic evergreen trees of Pacific coast
  8617. genus Umbrina
    croakers
  8618. genus Unio
    type genus of the family Unionidae
  8619. genus Upupa
    type genus of the Upupidae
  8620. genus Urginea
    Mediterranean liliaceous plants
  8621. genus Uria
    murres
  8622. genus Urocyon
    grey foxes
  8623. genus Urocystis
    a genus of smut fungi belonging to the family Tilletiaceae
  8624. genus Urophycis
    hakes
  8625. genus Uropsilus
    shrew moles
  8626. genus Urosaurus
    a reptile genus of Iguanidae
  8627. genus Ursinia
    genus of South African herbs and shrubs cultivated as ornamentals
  8628. genus Ursus
    type genus of Ursidae: brown bears
  8629. genus Urtica
    a nettle yielding fiber resembling flax
  8630. genus Usnea
    widely distributed lichens usually having a greyish or yellow pendulous freely branched thallus
  8631. genus Ustilaginoidea
    genus of imperfect fungi causing plant diseases like smut
  8632. genus Ustilago
    type genus of the Ustilaginaceae
  8633. genus Uta
    a reptile genus of Iguanidae
  8634. genus Utahraptor
    advanced bipedal carnivorous dinosaur
  8635. genus Utricularia
    bladderworts: large genus of aquatic carnivorous plants
  8636. genus Uvularia
    genus of perennial rhizomatous herb of southern and southeastern United States
  8637. genus Vaccaria
    cow-cockles
  8638. genus Vaccinium
    evergreen or deciduous berry-bearing shrubs of northern hemisphere: cranberries; blueberries
  8639. genus Valeriana
    genus of widely distributed perennial herbs and some shrubs
  8640. genus Valerianella
    genus of Old World annual herbs widely naturalized
  8641. genus Vallisneria
    eelgrass; eel grass
  8642. genus Vanda
    genus of showy epiphytic orchids of Himalayas to Malaysia
  8643. genus Vanellus
    Eurasian lapwings
  8644. genus Vanessa
    painted beauty and red admiral
  8645. genus Vangueria
    tropical African and Asiatic trees and shrubs having one-seeded fruit
  8646. genus Vanilla
    large genus of tropical climbing orchids; Old and New Worlds
  8647. genus Varanus
    type and sole extant genus of the Varanidae
  8648. genus Vedalia
    genus of Australian ladybugs
  8649. genus Velociraptor
    advanced carnivorous theropod
  8650. genus Venus
    type genus of the family Veneridae: genus of edible clams with thick oval shells
  8651. genus Veratrum
    a genus of coarse poisonous perennial herbs
  8652. genus Verbascum
    genus of coarse herbs and subshrubs mostly with woolly leaves
  8653. genus Verbena
    type genus of the Verbenaceae
  8654. genus Verbesina
    herbs and shrubs of warm North America to Mexico
  8655. genus Vernonia
    genus of New World tropical herbs or shrubs with terminal cymose heads of tubular flowers
  8656. genus Veronica
    widespread genus of herbs with pink or white or blue or purple flowers: speedwell
  8657. genus Verticillium
    genus of imperfect fungi having conidia borne singly at the apex of whorled branchlets; cause wilt diseases
  8658. genus Vesicaria
    small genus of chiefly Mediterranean herbs: bladderpods
  8659. genus Vespa
    type genus of the Vespidae: various hornets and yellow jackets
  8660. genus Vespertilio
    a genus of Vespertilionidae
  8661. genus Vespula
    sometimes considered a subgenus of Vespa: social wasps
  8662. genus Vibrio
    a genus of bacteria
  8663. genus Viburnum
    deciduous or evergreen shrubs or small trees: arrow-wood
  8664. genus Vicia
    widely distributed genus of annual or perennial and often climbing herbs
  8665. genus Vicugna
    a genus of Camelidae
  8666. genus Vidua
    whydahs
  8667. genus Vigna
    genus of vines or erect herbs having trifoliate leaves and yellowish or purplish flowers; of warm or tropical regions; most species often placed in genus Phaseolus
  8668. genus Viminaria
    one species: Australian leafless shrubs: swamp oak
  8669. genus Vinca
    periwinkles: low creeping evergreen perennials
  8670. genus Vincetoxicum
    genus of chiefly tropical American vines having cordate leaves and large purple or greenish cymose flowers; supposedly having powers as an antidote
  8671. genus Viola
    large genus of flowering herbs of temperate regions
  8672. genus Vipera
    type genus of the Viperidae
  8673. genus Vireo
    type genus of the Vireonidae
  8674. genus Virgilia
    genus of South African trees having pinnate leaves and rose-purple flowers followed by leathery pods
  8675. genus Viscum
    type genus of the Viscaceae: Old World evergreen shrubs parasitic on many trees including oaks but especially apple trees, poplars, aspens and cottonwoods
  8676. genus Vitis
    the type genus of the family Vitaceae
  8677. genus Vittaria
    tropical epiphytic ferns with straplike fronds
  8678. genus Viverra
    type genus of the family Viverridae
  8679. genus Viverricula
    a genus of Viverridae
  8680. genus Volvaria
    agarics having pink spores and a distinct volva
  8681. genus Volvariella
    an important genus of mushrooms in the Orient
  8682. genus Volvox
    type genus of the Volvocaceae
  8683. genus Vorticella
    ciliated protozoans that have a goblet-shaped body with a retractile stalk
  8684. genus Vulpes
    foxes
  8685. genus Vultur
    a bird that is usually restricted to the Andean condor
  8686. genus Weigela
    east Asian flowering shrubs
  8687. genus Welwitchia
    type and sole genus of Welwitschiaceae
  8688. genus Welwitschia
    type and sole genus of Welwitschiaceae
  8689. genus Wintera
    evergreen shrubs or small trees of Australia and New Zealand
  8690. genus Wisteria
    Asiatic deciduous woody vine having large drooping racemes of white or bluish or purple or pinkish flowers and velvety pods; widely grown as an ornamental
  8691. genus Wolffia
    minute rootless aquatic herbs having globular fronds floating on or near the water surface and bearing one flower per frond
  8692. genus Wolffiella
    minute rootless aquatic herbs having flat fronds floating on or below the water surface and bearing 1-2 flowers per frond; America and Africa
  8693. genus Woodsia
    genus of small to medium-sized usually rock-inhabiting ferns of temperate and cold regions; in some classification systems placed in Polypodiaceae
  8694. genus Woodwardia
    in some classification systems placed in family Polypodiaceae: chain ferns
  8695. genus Wyethia
    coarse leafy perennial plants resembling sunflowers found especially in the western United States
  8696. genus Wynnea
    a genus of fungi belonging to the family Sarcoscyphaceae
  8697. genus Xanthium
    coarse herbs having small heads of greenish flowers followed by burrs with hooked bristles
  8698. genus Xanthomonas
    a genus of bacteria similar to Pseudomonas but producing a yellow pigment that is not soluble in water
  8699. genus Xanthorroea
    grass trees; sometimes placed in family Xanthorrhoeaceae
  8700. genus Xanthosoma
    tropical American tuberous perennials
  8701. genus Xenicus
    type genus for the Xenicidae
  8702. genus Xenopus
    an African clawed frog
  8703. genus Xenorhyncus
    East Indian and Australian storks
  8704. genus Xenosaurus
    type and sole genus of Xenosauridae: slender-bodied Mexican lizards having the upper surface covered with tiny granules and tubercles
  8705. genus Xeranthemum
    genus of annual densely hairy herbs of Mediterranean to southwestern Asia
  8706. genus Xerobates
    possible new genus for desert and Texas tortoises based on recent research
  8707. genus Xerophyllum
    small genus of North American herbs having grasslike basal leaves: squaw grass; sometimes placed in family Melanthiaceae
  8708. genus Xiphias
    type genus of the Xiphiidae
  8709. genus Xylaria
    type genus of Xylariaceae
  8710. genus Xylocopa
    carpenter bees
  8711. genus Xylomelum
    small species of Australian trees or shrubs
  8712. genus Xylopia
    tropical evergreen trees or shrubs; chiefly African
  8713. genus Xylosma
    genus of tropical American and Asiatic spiny evergreen trees and shrubs
  8714. genus Xyphophorus
    swordtails
  8715. genus Xyris
    chiefly American marsh plants, having usually yellow flowers
  8716. genus Yucca
    tropical American plants with stiff lancelike leaves and spikes of white blossoms; sometimes considered a genus of Amaryllidaceae
  8717. genus Zaglossus
    a genus of Tachyglossidae
  8718. genus Zalophus
    sea lions
  8719. genus Zamia
    genus of small evergreen tropical and subtropical American cycads
  8720. genus Zannichellia
    horned pondweed: completely submerged herbs
  8721. genus Zantedeschia
    calla lily
  8722. genus Zanthoxylum
    deciduous or evergreen trees or shrubs: prickly ash
  8723. genus Zapus
    type genus of the Zapodidae
  8724. genus Zea
    corn
  8725. genus Zenaidura
    mourning doves
  8726. genus Zerumbet
    perennial rhizomatous herbs of Asia and Australia and Polynesia having ginger-scented rhizomes
  8727. genus Zeus
    type genus of the family Zeidae
  8728. genus Zigadenus
    genus of mostly North American poisonous plants
  8729. genus Zingiber
    tropical Asiatic and Polynesian perennial plants: ginger
  8730. genus Zinnia
    genus of annual or perennial plants of tropical America having solitary heads of brightly colored flowers
  8731. genus Zizania
    wild rice
  8732. genus Ziziphus
    spiny chiefly tropical American and Asiatic shrubs: jujubes
  8733. genus Zoarces
    type genus of the Zoarcidae
  8734. genus Zoisia
    lawn grasses native to southeastern Asia and New Zealand
  8735. genus Zonotrichia
    large New World sparrows
  8736. genus Zostera
    small genus of widely distributed marine plants
  8737. genus Zoysia
    lawn grasses native to southeastern Asia and New Zealand
  8738. genus Zygnema
    type genus of the family Zygnemataceae
  8739. genus Zygocactus
    small genus of Brazilian cacti having flat fleshy usually branched joints and showy red or pink flowers followed by red fleshy fruits
  8740. genus Zygophyllum
    usually tropical herbs or shrubs having ill-smelling foliage and flower buds that are used as capers: bean capers
  8741. genus-Fenusa
    birch leaf miner
  8742. genus-Megapodius
    type genus of the Megapodiidae
  8743. genus-Milvus
    a genus including the common European kits
  8744. Genyonemus
    a genus of Sciaenidae
  8745. Geochelone
    giant tortoises
  8746. Geococcyx
    roadrunners
  8747. Geoffroea
    small genus of shrubs or small trees of tropical and subtropical America
  8748. Geoglossaceae
    a family of fungi belonging to the order Helotiales
  8749. Geoglossum
    type genus of the Geoglossaceae comprising the earthtongues
  8750. geometric progression
    (mathematics) a progression in which each term is multiplied by a constant in order to obtain the next term
  8751. Geometridae
    measuring worms
  8752. Geomyidae
    North American pocket gophers
  8753. Geomys
    type genus of the Geomyidae
  8754. Geophilidae
    small extremely elongate centipedes that live in earth
  8755. Geophilomorpha
    small elongate centipedes living in soil and under stones and having more than 30 pairs of legs
  8756. Geophilus
    type genus of the Geophilidae: a cosmopolitan genus of centipedes sometimes called earwigs
  8757. Geothlypis
    yellowthroats
  8758. Geraniaceae
    chiefly herbaceous plants
  8759. Geraniales
    an order of plants of subclass Rosidae including geraniums and many other plants; see Euphorbiaceae; Geraniaceae; Rutaceae; Malpighiaceae; Simaroubaceae; Meliaceae; Zygophyllaceae; Tropaeolaceae
  8760. geranium family
    chiefly herbaceous plants
  8761. Gerbera
    genus of South African or Asiatic herbs: African daisies
  8762. Gerbillinae
    gerbils
  8763. Gerbillus
    type genus of the Gerbillinae: typical gerbils
  8764. Gerea
    small genus of hairy herbs with yellow flowers
  8765. German Luftwaffe
    the German airforce
  8766. gerontocracy
    a political system governed by old people
  8767. Gerreidae
    mojarras
  8768. Gerres
    type genus of the Gerreidae
  8769. Gerrhonotus
    alligator lizards
  8770. Gerridae
    mojarras
  8771. Gerrididae
    an arthropod family that includes water striders
  8772. Gerris
    type genus of the Gerrididae
  8773. gesneria family
    large family of tropical herbs or shrubs or lianas
  8774. Gesneriaceae
    large family of tropical herbs or shrubs or lianas
  8775. Gestapo
    the secret state police in Nazi Germany
  8776. get together
    get people together
  8777. Geum
    avens
  8778. GIA
    a terrorist organization of Islamic extremists whose violent activities began in 1992; aims to overthrow the secular Algerian regime and replace it with an Islamic state
  8779. giant
    any creature of exceptional size
  8780. giant perch
    a species of large perch noted for its sporting and eating qualities; lives in marine, estuary, and freshwater habitats
  8781. giant seaperch
    a species of large perch noted for its sporting and eating qualities; lives in marine, estuary, and freshwater habitats
  8782. Gibraltar
    location of a colony of the United Kingdom on a limestone promontory at the southern tip of Spain; strategically important because it can control the entrance of ships into the Mediterranean; one of the Pillars of Hercules
  8783. Gibson Desert
    a desert area in western Australia
  8784. Gigartinaceae
    a family of protoctist
  8785. Gila Desert
    a desert area in southern Arizona
  8786. gild
    decorate with, or as if with, gold leaf or liquid gold
  8787. gimmickry
    a collection of gimmicks
  8788. ginger family
    a family of tropical monocotyledonous plants of order Musales
  8789. Ginglymostoma
    nurse sharks
  8790. ginkgo family
    constituting the order Ginkgoales
  8791. Ginkgoaceae
    constituting the order Ginkgoales
  8792. Ginkgoales
    coextensive with the family Ginkgoaceae: plants that first appeared in the Permian and now represented by a single surviving species; often included in Coniferales
  8793. Ginkgophytina
    ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications for one of five subdivisions of Gymnospermophyta
  8794. Ginkgopsida
    ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications for one of five subdivisions of Gymnospermophyta
  8795. Giraffa
    type genus of the Giraffidae
  8796. Giraffidae
    giraffes
  8797. Girl Scouts
    an organization of young women and girls founded in 1912 for character development and citizenship training
  8798. giro
    a British financial system in which a bank or a post office transfers money from one account to another when they receive authorization to do so
  8799. Gironde
    the French moderate political party that was in power (1791-1793) during the French Revolution
  8800. Glareola
    type genus of the Glareolidae: the pratincoles
  8801. Glareolidae
    Old World shorebirds: pratincoles and coursers
  8802. Glaucium
    herbs of Europe and North Africa and Asia: horned poppy
  8803. Glaucomys
    New World flying squirrels
  8804. Glaux
    sea milkwort
  8805. Glechoma
    ground ivy
  8806. Gleditsia
    deciduous trees: honey locusts
  8807. glee club
    a club organized to sing together
  8808. Gleichenia
    type genus of Gleicheniaceae: leptosporangiate ferns with sessile sporangia; South Africa to Malaysia and New Zealand
  8809. Gleicheniaceae
    a family of ferns belonging to order Filicales
  8810. Gliridae
    dormice and other Old World forms
  8811. Glis
    type genus of the Gliridae
  8812. glob
    a compact mass
  8813. global organization
    an international alliance involving many different countries
  8814. Globicephala
    pilot whales
  8815. Globigerinidae
    a family of protoctists
  8816. Glossinidae
    flies closely related to the Muscidae: tsetse flies
  8817. Glossodia
    small genus of Australian orchids
  8818. Glossopsitta
    a genus of Loriinae
  8819. glucosamine
    an amino derivative of glucose that is a component of many polysaccharides
  8820. Glyceria
    manna grass
  8821. glyceryl
    a trivalent radical derived from glycerol by removing the three hydroxyl radicals
  8822. Glycine
    genus of Asiatic erect or sprawling herbs: soya bean
  8823. Glycyrrhiza
    sticky perennial Eurasian herbs
  8824. Gnaphalium
    large widely distributed genus of coarse hairy herbs with whitish involucres
  8825. Gnathostomata
    comprising all vertebrates with upper and lower jaws
  8826. Gnetaceae
    plants having small unisexual flowers and fleshy or winged fruit: in some classifications includes the genera Ephedra and Welwitschia as well as genus Gnetum
  8827. Gnetales
    chiefly tropical or xerophytic woody plants
  8828. Gnetophyta
    gymnospermous flowering plants
  8829. Gnetophytina
    gymnospermous flowering plants
  8830. Gnetopsida
    gymnospermous flowering plants
  8831. gob
    a lump of slimy stuff
  8832. Gobi
    a desert in central China
  8833. Gobi Desert
    a desert in central China
  8834. Gobiesocidae
    clingfishes
  8835. Gobiesox
    type genus of the Gobiesocidae
  8836. Gobiidae
    gobies
  8837. Gobio
    true gudgeons
  8838. Golden Horde
    a Mongolian army that swept over eastern Europe in the 13th century
  8839. golf club
    golf equipment used by a golfer to hit a golf ball
  8840. Gomphotheriidae
    elephants extinct since the Pleistocene
  8841. Gomphotherium
    type genus of the Gomphotheriidae
  8842. Gomphrena
    genus of tropical herbs or subshrubs having flowers in close heads; tropical America and Australia
  8843. Goniopteris
    terrestrial ferns of Florida and West Indies to Central and South America
  8844. Gonorhynchidae
    coextensive with the genus Gonorhynchus
  8845. Gonorhynchus
    slender cylindrical marine fishes lacking air bladders and teeth
  8846. Goodenia
    a genus of shrubs and herbs that grow in Australia and New Guinea and Malaysia and southeast Asia
  8847. Goodenia family
    a family of sappy plants that grow in Australasia and southeast China
  8848. Goodeniaceae
    a family of sappy plants that grow in Australasia and southeast China
  8849. Goodyera
    genus of small orchids of the northern hemisphere with creeping rhizomes and stalked ovate leaves and small flowers
  8850. gooseberry family
    in some classifications considered a part of the family Saxifragaceae: plants whose fruit is a berry
  8851. goosefoot family
    includes spinach and beets
  8852. GOP
    the younger of two major political parties in the United States; GOP is an acronym for grand old party
  8853. Gopherus
    gopher tortoises
  8854. Gorgonacea
    red corals and sea fans
  8855. Gorgoniacea
    red corals and sea fans
  8856. Gorgonocephalus
    basket stars
  8857. Gossypium
    herbs and shrubs and small trees: cotton
  8858. gourd family
    a family of herbaceous vines
  8859. governance
    the act of exercising authority
  8860. governed
    the body of people who are citizens of a particular government
  8861. governing board
    a board that manages the affairs of an institution
  8862. governing body
    the persons (or committees or departments etc.) who make up a body for the purpose of administering something
  8863. government
    the system or form by which a community is ruled
  8864. Government Accounting Office
    an independent nonpartisan federal agency that acts as the investigative arm of Congress making the executive branch accountable to Congress and the government accountable to citizens of the United States
  8865. government agency
    an administrative unit of government
  8866. government department
    a department of government
  8867. government officials
    people elected or appointed to administer a government
  8868. Government Printing Office
    an agency of the legislative branch that provides printing and binding services for Congress and the departments and establishments of the federal government
  8869. government-in-exile
    a temporary government moved to or formed in a foreign land by exiles who hope to rule when their country is liberated
  8870. gown
    a woman's dress, usually with a close-fitting bodice and a long flared skirt, often worn on formal occasions
  8871. GPO
    an agency of the legislative branch that provides printing and binding services for Congress and the departments and establishments of the federal government
  8872. grab bag
    an assortment of miscellaneous items
  8873. Gracilariidae
    leaf miners
  8874. Gracillariidae
    leaf miners
  8875. Gracula
    mynas
  8876. grad school
    a school in a university offering study leading to degrees beyond the bachelor's degree
  8877. grade
    a position on a scale of intensity or amount or quality
  8878. grade school
    a school for young children; usually the first 6 or 8 grades
  8879. graduate school
    a school in a university offering study leading to degrees beyond the bachelor's degree
  8880. graduating class
    the body of students who graduate together this year
  8881. Graminaceae
    the grasses: chiefly herbaceous but some woody plants including cereals; bamboo; reeds; sugar cane
  8882. Graminales
    grasses; sedges; rushes
  8883. Gramineae
    the grasses: chiefly herbaceous but some woody plants including cereals; bamboo; reeds; sugar cane
  8884. grammar school
    a school for young children; usually the first 6 or 8 grades
  8885. grammatical case
    nouns or pronouns or adjectives (often marked by inflection) related in some way to other words in a sentence
  8886. grammatical category
    a category of words having the same grammatical properties
  8887. grammatical constituent
    (grammar) a word or phrase or clause forming part of a larger grammatical construction
  8888. grammatical construction
    a group of words that form a constituent of a sentence and are considered as a single unit
  8889. grammatical gender
    a grammatical category in inflected languages governing the agreement between nouns and pronouns and adjectives; in some languages it is quite arbitrary but in Indo-European languages it is usually based on sex or animateness
  8890. Grammatophyllum
    small genus of large epiphytic or terrestrial orchids of southeastern Asia to Polynesia; the giants of the Orchidaceae having long narrow leaves and drooping flower clusters often 6 feet long
  8891. grand jury
    a panel to determine if a case should be brought to trial
  8892. grandstand
    a covered structure with tiers of seats for spectators
  8893. grapevine family
    a family of vines belonging to order Rhamnales
  8894. GRAPO
    an armed wing of the Communist Party of Spain
  8895. Graptophyllum
    caricature plant
  8896. grass family
    the grasses: chiefly herbaceous but some woody plants including cereals; bamboo; reeds; sugar cane
  8897. grass roots
    the common people at a local level
  8898. grass tree family
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
  8899. grassland
    land where grass or grasslike vegetation grows and is the dominant form of plant life
  8900. graveyard shift
    the work shift during the night (as midnight to 8 a.m.)
  8901. gray
    of an achromatic color intermediate between white and black
  8902. grazing land
    a field covered with grass or herbage and suitable for grazing by livestock
  8903. Great Arabian Desert
    a desert on the Arabian Peninsula in southwestern Asia
  8904. Great Attractor
    a massive grouping of galaxies in the direction of Centaurus and Hydra whose gravitational attraction is believed to cause deviations in the paths of other galaxies
  8905. Great Australian Desert
    general name given to all desert areas in Australia
  8906. Great Indian Desert
    a desert to the east of the Indus River in northwestern India and southeastern Pakistan
  8907. Great Lakes
    a group of five large, interconnected lakes in central North America
  8908. Great Plains
    a vast prairie region extending from Alberta and Saskatchewan and Manitoba in Canada south through the west central United States into Texas; formerly inhabited by Native Americans
  8909. Great Plains of North America
    a vast prairie region extending from Alberta and Saskatchewan and Manitoba in Canada south through the west central United States into Texas; formerly inhabited by Native Americans
  8910. great power
    a state powerful enough to influence events throughout the world
  8911. Great Salt Desert
    a salt desert in north central Iran
  8912. Great Sandy Desert
    a desert in southern Saudi Arabia
  8913. Great Victoria Desert
    a desert region in south central Australia to the north of the Nullarbor Plain
  8914. Greek chorus
    a company of actors who comment (by speaking or singing in unison) on the action in a classical Greek play
  8915. Greek Church
    state church of Greece
  8916. Greek mythology
    the mythology of the ancient Greeks
  8917. Greek Orthodox Church
    state church of Greece
  8918. green dinosaur
    a living fossil or so-called `green dinosaur'
  8919. green mushroom pimple
    a variety of mushroom pimple
  8920. Green Party
    an environmentalist political party
  8921. Greenback Party
    a former political party in the United States
  8922. Greenpeace
    an international organization that works for environmental conservation and the preservation of endangered species
  8923. greenwood
    woodlands in full leaf
  8924. Gregarinida
    an order in the subclass Telosporidia
  8925. Grewia
    a genus of tropical and subtropical Old World climbers or shrubs or trees
  8926. grey
    of an achromatic color intermediate between white and black
  8927. Grias
    anchovy pear tree
  8928. gridlock
    a traffic jam so bad that no movement is possible
  8929. Grindelia
    large genus of coarse gummy herbs of western North and Central America
  8930. Griselinia
    evergreen shrubs of New Zealand and South America
  8931. Groenlandia
    a monocotyledonous genus of the family Potamogetonaceae
  8932. Grossulariaceae
    in some classifications considered a part of the family Saxifragaceae: plants whose fruit is a berry
  8933. ground cover
    low-growing plants planted in deep shade or on a steep slope where turf is difficult to grow
  8934. ground crew
    the crew of technicians and mechanics who service aircraft on the ground
  8935. ground forces
    a permanent organization of the military land forces of a nation or state
  8936. ground-service crew
    the crew of technicians and mechanics who service aircraft on the ground
  8937. groundcover
    low-growing plants planted in deep shade or on a steep slope where turf is difficult to grow
  8938. group Amentiferae
    used in some classification systems for plants that bear catkins
  8939. group Centrospermae
    used in former classification systems
  8940. group meeting
    a formally arranged gathering
  8941. group Pteridospermae
    used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales
  8942. group Pteridospermaphyta
    used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales
  8943. grove
    a small growth of trees without underbrush
  8944. growth
    changing gradually from a simple to a more complex level
  8945. growth industry
    an industry that is growing rapidly
  8946. Grub Street
    the world of literary hacks
  8947. Gruidae
    cranes
  8948. Gruiformes
    inland marsh-dwelling birds with long legs and necks and bills that wade in water in search of food: cranes; rails; bustards
  8949. Grus
    a small constellation in the southern hemisphere near Phoenix
  8950. Gryllidae
    crickets
  8951. GSA
    a central management agency that sets Federal policy for Federal procurement and real property management and information resources management
  8952. GSPC
    an Algerian extremist Islamic offshoot of the Armed Islamic Group; now the largest and most active armed terrorist group in Algeria that seeks to overthrow the government; a major source of support and recruitment for al-Qaeda operations in Europe and northern Africa
  8953. Guaiacum
    small genus of evergreen resinous trees or shrubs of warm and tropical America
  8954. guard
    watch over or shield from danger or harm
  8955. guerilla force
    an irregular armed force that fights by sabotage and harassment; often rural and organized in large groups
  8956. guerrilla force
    an irregular armed force that fights by sabotage and harassment; often rural and organized in large groups
  8957. Guevina
    one species: Chilean nut
  8958. guild
    a formal association of people with similar interests
  8959. Gulo
    a genus of Mustelidae
  8960. Guomindang
    the political party founded in 1911 by Sun Yat-sen
  8961. Gutierrezia
    sticky perennial herbs and subshrubs of western North America and warm South America
  8962. Guttiferae
    widely distributed family of chiefly tropical trees and shrubs and vines that produce oils and resins and some usable timber
  8963. Guttiferales
    used in some classifications; coextensive with Parietales
  8964. Gymnadenia
    small genus of terrestrial orchids of North America and temperate Eurasia
  8965. Gymnadeniopsis
    genus of North American terrestrial orchids usually included in genus Habenaria
  8966. Gymnasium
    a school for students intermediate between elementary school and college; usually grades 9 to 12
  8967. Gymnelis
    a genus of Zoarcidae
  8968. Gymnocalycium
    large genus of low-growing globular South American cacti with spiny ribs covered with many tubercles
  8969. Gymnocarpium
    oak ferns: in some classification systems included in genus Thelypteris
  8970. Gymnocladus
    small genus of deciduous trees of China and United States having paniculate flowers and thick pulpy pods
  8971. Gymnogyps
    containing solely the California condor
  8972. Gymnomycota
    slime molds
  8973. Gymnophiona
    an order of amphibians including caecilians
  8974. Gymnopilus
    a genus of fungus characterized by the orange color of the spore deposit
  8975. Gymnorhina
    in some classifications placed in the family Laniidae: Australian piping crows
  8976. gymnosperm family
    a family of gymnosperms
  8977. gymnosperm genus
    a genus of gymnosperms
  8978. Gymnospermae
    plants having naked seeds not enclosed in an ovary
  8979. Gymnospermophyta
    plants having naked seeds not enclosed in an ovary
  8980. Gymnosporangium
    genus of fungi that produce galls on cedars and other conifers of genera Juniperus and Libocedrus and causes rust spots on apples and pears and other plants of family Rosaceae
  8981. Gymnura
    butterfly rays
  8982. gynarchy
    a political system governed by a woman
  8983. gynecocracy
    a political system governed by a woman
  8984. Gynura
    genus of Old World tropical herbs: velvet plants
  8985. Gypaetus
    in some classifications the type genus of the family Aegypiidae
  8986. Gyps
    a genus of Accipitridae
  8987. Gypsophila
    Mediterranean herbs having small white or pink flowers
  8988. Gyrinidae
    whirligig beetles
  8989. H. pylori
    a common type of stomach bacteria known to cause stomach and intestinal ulcers
  8990. Haastia
    genus of New Zealand mat-forming herbs or subshrubs: vegetable sheep
  8991. Habenaria
    chiefly terrestrial orchids with tubers or fleshy roots often having long slender spurs and petals and lip lobes; includes species formerly placed in genus Gymnadeniopsis
  8992. Habsburg
    a royal German family that provided rulers for several European states and wore the crown of the Holy Roman Empire from 1440 to 1806
  8993. Hackelia
    stickweed; beggar's lice
  8994. Hadrosauridae
    duck-billed dinosaurs; upper Cretaceous
  8995. Haemanthus
    genus of African deciduous or evergreen bulbous herbs: blood lilies
  8996. Haematobia
    European genus of bloodsucking flies
  8997. Haematopodidae
    oystercatchers
  8998. Haematopus
    oystercatchers
  8999. Haematoxylon
    small genus of tropical American spiny bushy shrubs or trees
  9000. Haematoxylum
    small genus of tropical American spiny bushy shrubs or trees
  9001. Haemodoraceae
    some genera placed in family Liliaceae
  9002. Haemodorum
    type genus of family Haemodoraceae
  9003. Haemopis
    leeches
  9004. Haemoproteidae
    bird parasites
  9005. Haemoproteus
    type genus of the family Haemoproteidae
  9006. Haemosporidia
    an order in the subclass Telosporidia
  9007. Haemulidae
    grunts
  9008. Haemulon
    type genus of the Haemulidae
  9009. Haganah
    the clandestine military wing of the Jewish leadership during the British rule over the mandate of Palestine from 1920 to 1948; became the basis for the Israeli defense force
  9010. Hakea
    Australian shrubs and small trees with evergreen usually spiny leaves and dense clusters of showy flowers
  9011. Halcyon
    (Greek mythology) a woman who was turned into a kingfisher
  9012. Haldea
    ground snakes
  9013. Halenia
    genus of herbs of Eurasia and the Americas: spurred gentians
  9014. Halesia
    deciduous small trees or shrubs of China and eastern North America
  9015. Haliaeetus
    a genus of Accipitridae
  9016. Halicoeres
    a genus of Labridae
  9017. Halictidae
    a family of small solitary bees
  9018. Halimodendron
    one species: salt tree
  9019. Haliotidae
    abalones
  9020. Haliotis
    type genus of the family Haliotidae
  9021. Halocarpus
    dioecious trees or shrubs of New Zealand
  9022. halogen
    any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
  9023. Haloragaceae
    a family of dicotyledonous plants of the order Myrtales
  9024. Haloragidaceae
    a family of dicotyledonous plants of the order Myrtales
  9025. hamamelid dicot family
    family of mostly woody dicotyledonous flowering plants with flowers often unisexual and often borne in catkins
  9026. hamamelid dicot genus
    genus of mostly woody relatively primitive dicotyledonous flowering plants with flowers often unisexual and often borne in catkins
  9027. Hamamelidaceae
    comprises genera Hamamelis, Corylopsis, Fothergilla, Liquidambar, Parrotia, and other small genera
  9028. Hamamelidae
    a group of chiefly woody plants considered among the most primitive of angiosperms; perianth poorly developed or lacking; flowers often unisexual and often in catkins and often wind pollinated; contains 23 families including the Betulaceae and Fagaceae (includes the Amentiferae); sometimes classified as a superorder
  9029. Hamamelidanthum
    genus of fossil plants of the Oligocene having flowers resembling those of the witch hazel; found in Baltic region
  9030. Hamamelidoxylon
    genus of fossil plants having wood identical with or similar to that of the witch hazel
  9031. Hamamelis
    deciduous shrubs or small trees: witch hazel
  9032. Hamamelites
    genus of fossil plants having leaves similar to those of the witch hazel
  9033. Hamas
    a militant Islamic fundamentalist political movement that opposes peace with Israel and uses terrorism as a weapon; seeks to create an Islamic state in place of Israel; is opposed to the PLO and has become a leading perpetrator of terrorist activity in Israel; pioneered suicide bombing
  9034. Haminoea
    common genus of marine bubble shells of the Pacific coast of North America
  9035. hamlet
    a community of people smaller than a village
  9036. Han
    imperial dynasty that ruled China (most of the time from 206 BC to AD 220) and expanded its boundaries and developed its bureaucracy; remembered as one of the great eras of Chinese civilization
  9037. Han dynasty
    imperial dynasty that ruled China (most of the time from 206 BC to AD 220) and expanded its boundaries and developed its bureaucracy; remembered as one of the great eras of Chinese civilization
  9038. hand
    the (prehensile) extremity of the superior limb
  9039. handicapped
    incapable of functioning as a consequence of injury or illness
  9040. hands
    guardianship over
  9041. Hanover
    a port city in northwestern Germany
  9042. Hanoverian line
    the English royal house that reigned from 1714 to 1901
  9043. Hanseatic League
    a commercial and defensive confederation of free cities in northern Germany and surrounding areas; formed in 1241 and most influential in the 14th century when it included over 100 towns and functioned as an independent political power; the last official assembly was held in 1669
  9044. Haplopappus
    genus of North and South American perennial herbs or shrubs with yellow flowers; in some classifications include species placed in other genera especially Hazardia
  9045. Haplosporidia
    an order in the subclass Acnidosporidia
  9046. haplotype
    (genetics) a combination of alleles (for different genes) that are located closely together on the same chromosome and that tend to be inherited together
  9047. Hapsburg
    a royal German family that provided rulers for several European states and wore the crown of the Holy Roman Empire from 1440 to 1806
  9048. Harakat al-Jihad al-Islami al-Filastini
    a militant Palestinian terrorist group created in 1979 and committed to the creation of an Islamic state in Palestine and to the destruction of Israel; smaller and more exclusively militant that Hamas
  9049. Harakat ul-Jihad-I-Islami
    an extremist militant group in Pakistan occupied Kashmir that seeks an Islamic government and that has had close links and fought with the Taliban in Afghanistan
  9050. harbor patrol
    patrol of officers who police a harbor area
  9051. hard core
    the most dedicated and intensely loyal nucleus of a group or movement
  9052. hard right
    the extreme right wing
  9053. Hardenbergia
    small genus of Australian woody vines with small violet flowers; closely related to genus Kennedia
  9054. Hare Krishna
    a chant to the Hindu god Krishna
  9055. Haredi
    any of several sects of Orthodox Judaism that reject modern secular culture and many of whom do not recognize the spiritual authority of the modern state of Israel
  9056. Harkat ul-Ansar
    an Islamic fundamentalist group in Pakistan that fought the Soviet Union in Afghanistan in the 1980s; now operates as a terrorist organization primarily in Kashmir and seeks Kashmir's accession by Pakistan
  9057. Harkat ul-Mujahedeen
    an Islamic fundamentalist group in Pakistan that fought the Soviet Union in Afghanistan in the 1980s; now operates as a terrorist organization primarily in Kashmir and seeks Kashmir's accession by Pakistan
  9058. Harkat-ul-Jihad-e-Islami
    an extremist militant group in Pakistan occupied Kashmir that seeks an Islamic government and that has had close links and fought with the Taliban in Afghanistan
  9059. Harkat-ul-Mujahidin
    an Islamic fundamentalist group in Pakistan that fought the Soviet Union in Afghanistan in the 1980s; now operates as a terrorist organization primarily in Kashmir and seeks Kashmir's accession by Pakistan
  9060. harmonic progression
    (mathematics) a progression of terms whose reciprocals form an arithmetic progression
  9061. Harpia
    a genus of Accipitridae
  9062. Harrisia
    genus of slender often treelike spiny cacti with solitary showy nocturnal white or pink flowers; Florida and Caribbean to South America
  9063. Hasidim
    a sect of Orthodox Jews that arose out of a pietistic movement originating in eastern Europe in the second half of the 18th century; a sect that follows the Mosaic law strictly
  9064. Hasidism
    a sect of Orthodox Jews that arose out of a pietistic movement originating in eastern Europe in the second half of the 18th century; a sect that follows the Mosaic law strictly
  9065. Hassidim
    a sect of Orthodox Jews that arose out of a pietistic movement originating in eastern Europe in the second half of the 18th century; a sect that follows the Mosaic law strictly
  9066. hate mail
    mail that expresses the writer's dislike or hatred
  9067. Hatiora
    small genus of South American epiphytic or lithophytic cacti
  9068. hawala
    an underground banking system based on trust whereby money can be made available internationally without actually moving it or leaving a record of the transaction
  9069. haycock
    a small cone-shaped pile of hay that has been left in the field until it is dry enough to carry to the hayrick
  9070. hayfield
    a field where grass or alfalfa are grown to be made into hay
  9071. hayrick
    a stack of hay
  9072. haystack
    a stack of hay
  9073. Hazardia
    small genus of shrubs and subshrubs of western United States having flowers that change color as they mature
  9074. head
    the upper part of the human body or the body in animals
  9075. headquarters
    the main office or administrative center of a business
  9076. headquarters staff
    military staff stationed at headquarters
  9077. Health and Human Services
    the United States federal department that administers all federal programs dealing with health and welfare; created in 1979
  9078. health profession
    the body of individuals whose work helps to maintain the health of their clients
  9079. heap
    a collection of objects laid on top of each other
  9080. heath family
    heathers
  9081. Hebraism
    Jews collectively who practice a religion based on the Torah and the Talmud
  9082. Hebrews
    the ethnic group claiming descent from Abraham and Isaac
  9083. Hedeoma
    small genus of American herbs (American pennyroyal)
  9084. Hedera
    Old World woody vines
  9085. hedge fund
    a flexible investment company for a small number of large investors (usually the minimum investment is $1 million); can use high-risk techniques (not allowed for mutual funds) such as short-selling and heavy leveraging
  9086. hedgefund
    a flexible investment company for a small number of large investors (usually the minimum investment is $1 million); can use high-risk techniques (not allowed for mutual funds) such as short-selling and heavy leveraging
  9087. Hedysarum
    genus of herbs of north temperate regions
  9088. hegemon
    a leading or supreme power
  9089. hegemony
    the dominance or leadership of one social group over others
  9090. Helenium
    genus of American herbs with flowers having yellow rays: sneezeweeds
  9091. Heleodytes
    alternative classifications for the cactus wrens
  9092. Heliamphora
    genus of pitcher plants of the Guiana Highlands in South America
  9093. Helichrysum
    large genus of mostly African and Australian herbs and shrubs: everlasting flowers; in some classifications includes genus Ozothamnus
  9094. Helicidae
    land snails including the common edible snail and some pests
  9095. Helicteres
    genus of shrubs and small trees of tropical America and Asia having cylindrical fruits spirally twisted around one another
  9096. Heliobacter
  9097. Heliobacter pylori
  9098. Heliothis
    a genus of Noctuidae
  9099. Heliozoa
    mostly freshwater protozoa
  9100. Helipterum
    genus of South African and Australian herbs or shrubs grown as everlastings; the various Helipterum species are currently in process of being assigned to other genera especially genera Pteropogon and Hyalosperma
  9101. helium group
    the series of inert gases
  9102. Helix
    type genus of the family Helicidae
  9103. Helladic civilisation
    the bronze-age culture of mainland Greece that flourished 2500-1100 BC
  9104. Helladic civilization
    the bronze-age culture of mainland Greece that flourished 2500-1100 BC
  9105. Helladic culture
    the bronze-age culture of mainland Greece that flourished 2500-1100 BC
  9106. Helleborus
    a genus of Helleborus
  9107. Helminthostachys
    one species: terrestrial fern of southeastern Asia and Australia
  9108. Heloderma
    type genus of the Helodermatidae; American venomous lizards
  9109. Helodermatidae
    only known venomous lizards
  9110. Helotiaceae
    a fungus family of order Helotiales
  9111. Helotiales
    order of fungi having asci in a disk-shaped to goblet-shaped apothecium
  9112. Helotium
    type genus of the Helotiaceae
  9113. Helvellaceae
    family of false morels or lorchels
  9114. Helwingia
    deciduous dioecious shrubs native to woodland thickets in low mountains in Japan
  9115. Helxine
    one species; a dwarf creeping mat-forming evergreen herb
  9116. Helxine soleirolia
    prostrate or creeping Corsican herb with moss-like small round short-stemmed leaves
  9117. Hemachatus
    ringhals
  9118. Hemerobiidae
    brown lacewings
  9119. Hemerocallidaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Hemerocallis
  9120. Hemerocallis
    east Asian rhizomatous clump-forming perennial herbs having flowers on long leafless stalks; cosmopolitan in cultivation: day lilies; sometimes placed in subfamily Hemerocallidaceae
  9121. Hemiascomycetes
    class of fungi in which no ascocarps are formed: yeasts and some plant parasites
  9122. Hemigalus
    banded palm civets
  9123. Hemigrammus
    tetras
  9124. Hemimetabola
    subclass of insects characterized by gradual and usually incomplete metamorphosis
  9125. Hemiprocnidae
    tree swifts
  9126. Hemiptera
    plant bugs
  9127. Hemipteronatus
    razor fish
  9128. Hemiramphidae
    halfbeaks
  9129. Hemitripterus
    sea ravens
  9130. hemp family
    two genera of erect or twining herbs that are pollinated by the wind, including the genera Cannabis and Humulus; term not used in all classifications; in some the genus Cannabis is placed in the family Moraceae and the genus Humulus in the family Urticaceae
  9131. hen party
    a party for women only
  9132. Hepaticae
    liverworts: comprises orders Anthocerotales
  9133. Hepaticopsida
    liverworts: comprises orders Anthocerotales
  9134. Heracleum
    widely distributed genus of plants with usually thick rootstocks and large umbels of white flowers
  9135. herbarium
    a collection of dried plants that are mounted and classified
  9136. herd
    a group of cattle or sheep or other domestic mammals
  9137. Heritiera
    small genus of timber trees of eastern Asia, Australasia and tropical Africa that form large buttresses
  9138. Hermannia
    genus of African herbs and subshrubs having honey-scented bell-shaped flowers
  9139. Hermissenda
    genus of marine sea slugs
  9140. Hernaria
    low-growing Old World herbs with minute bright green leaves
  9141. Hernaria glabra
    common prostrate Old World herb often used as a ground cover
  9142. Herpestes
    mongooses
  9143. Herrenvolk
    a race that considers itself superior to all others and fitted to rule the others
  9144. Hesperiphona
    evening grosbeak
  9145. Hesperis
    biennial or perennial erect herbs having nocturnally fragrant flowers
  9146. Heteranthera
    mud plantains
  9147. Heterobasidiomycetes
    category used in some classification systems for various basidiomycetous fungi including rusts and smuts
  9148. Heterocephalus
    sand rats
  9149. Heterodon
    a genus of small colubrid snakes containing the North American hognose snakes
  9150. Heterokontae
    all the yellow-green algae having flagella of unequal length
  9151. Heterokontophyta
    algae having chlorophyll a and usually c, and flagella of unequal lengths; terminology supersedes Chrysophyta in some classifications
  9152. Heteromeles
    one species: toyon
  9153. Heteromyidae
    small New World burrowing mouselike rodents with fur-lined cheek pouches and hind limbs and tail adapted to leaping; adapted to desert conditions: pocket mice; kangaroo mice; kangaroo rats
  9154. Heteroptera
    true bugs
  9155. Heteroscelus
    tattlers
  9156. Heterosomata
    flatfishes: halibut
  9157. Heterostraci
    extinct group of armored jawless fishes or fish-like vertebrate; taxonomy is not clear
  9158. Heterotheca
    genus of yellow-flowered North American herbs
  9159. Heterotrichales
    yellow-green algae with simple or branching filaments
  9160. Heuchera
    genus of North American herbs with basal cordate or orbicular leaves and small panicled flowers
  9161. Hevea
    small genus of South American trees yielding latex
  9162. Hexagrammidae
    greenlings
  9163. Hexagrammos
    type genus of the Hexagrammidae
  9164. Hexalectris
    a monocotyledonous genus of the family Orchidaceae
  9165. Hexamita
    flagellates free-living or parasitic in intestines of birds
  9166. Hexanchidae
    primitive sharks
  9167. Hexanchus
    a genus of Hexanchidae
  9168. Hexapoda
    insects; about five-sixths of all known animal species
  9169. hexenbesen
    an abnormal tufted growth of small branches on a tree or shrub caused by fungi or insects or other physiological disturbance
  9170. Hezbollah
    a Shiite terrorist organization with strong ties to Iran
  9171. HHS
    the United States federal department that administers all federal programs dealing with health and welfare; created in 1979
  9172. Hibbertia
    evergreen heathlike or scandent shrubs of Madagascar
  9173. Hieracium
    large genus of perennial hairy herbs of Europe to western Asia to northwestern Africa and North America; few are ornamental; often considered congeneric with Pilosella
  9174. hierarchy
    a series of ordered groupings within a system
  9175. hierocracy
    a ruling body composed of clergy
  9176. high
    being at or having a relatively great or specific elevation
  9177. High Anglican Church
    a group in the Anglican Church that emphasizes the Catholic tradition (especially in sacraments and rituals and obedience to church authority)
  9178. High Church
    a group in the Anglican Church that emphasizes the Catholic tradition (especially in sacraments and rituals and obedience to church authority)
  9179. high command
    the highest leaders in an organization
  9180. High Commission
    an embassy of one British Commonwealth country to another
  9181. high court
    the highest court in most states of the United States
  9182. high school
    a public secondary school usually including grades 9 through 12
  9183. high society
    the fashionable elite
  9184. highschool
    a public secondary school usually including grades 9 through 12
  9185. Himantoglossum
    small genus of terrestrial orchids of Europe and Mediterranean region
  9186. Himantopus
    major one of two genera of stilts
  9187. Hinayana
    a major school of Buddhism teaching personal salvation through one's own efforts
  9188. Hindooism
    a body of religious and philosophical beliefs and cultural practices native to India and based on a caste system; it is characterized by a belief in reincarnation, by a belief in a supreme being of many forms and natures, by the view that opposing theories are aspects of one eternal truth, and by a desire for liberation from earthly evils
  9189. Hinduism
    a body of religious and philosophical beliefs and cultural practices native to India and based on a caste system; it is characterized by a belief in reincarnation, by a belief in a supreme being of many forms and natures, by the view that opposing theories are aspects of one eternal truth, and by a desire for liberation from earthly evils
  9190. hip-hop
    genre of African-American music of the 1980s and 1990s in which rhyming lyrics are chanted to a musical accompaniment; several forms of rap have emerged
  9191. hippies
    a youth subculture originating in San Francisco in the 1960s
  9192. Hippobosca
    type genus of the Hippoboscidae
  9193. Hippoboscidae
    winged or wingless dipterans: louse flies
  9194. Hippocampus
    seahorses
  9195. Hippocastanaceae
    trees having showy flowers and inedible nutlike seeds in a leathery capsule
  9196. Hippocrepis
    species of Old World herbs or subshrubs: horseshoe vetch
  9197. Hippodamia
    genus of ladybugs
  9198. Hippoglossoides
    a genus of Pleuronectidae
  9199. Hippoglossus
    halibuts
  9200. Hippopotamidae
    hippopotami
  9201. Hipposideridae
    Old World leafnose bats
  9202. Hipposideros
    horseshoe bats
  9203. Hippotragus
    sable antelopes
  9204. hipsters
    a youth subculture originating in San Francisco in the 1960s
  9205. Hipsurus
    a genus of Embiotocidae
  9206. hiring hall
    a union-operated placement office where jobs are allotted to applicants according to seniority or rotation
  9207. Hirudinea
    hermaphroditic aquatic or terrestrial or parasitic annelids
  9208. Hirudinidae
    a family of Hirudinea
  9209. Hirudo
    type genus of the family Hirudinidae
  9210. Hirundinidae
    swallows and martins
  9211. Hirundo
    type genus of the Hirundinidae
  9212. histocompatibility complex
    a family of fifty or more genes on the sixth human chromosome that code for proteins on the surfaces of cells and that play a role in the immune response
  9213. historical present
    the use of the present tense to describe past actions or states
  9214. historical school
    a school of 19th century German economists and legal philosophers who tried to explain modern economic systems in evolutionary or historical terms
  9215. history department
    the academic department responsible for teaching history
  9216. hit parade
    a ranked list of the songs that are most popular at a given time
  9217. hit squad
    a team of assassins
  9218. hive
    a structure that provides a natural habitation for bees
  9219. Hizb ut-Tahrir
    the most popular and feared Islamic extremist group in central Asia; advocates `pure' Islam and the creation of a worldwide Islamic state
  9220. Hizballah
    a Shiite terrorist organization with strong ties to Iran
  9221. Hizbollah
    a Shiite terrorist organization with strong ties to Iran
  9222. Hizbullah
    a Shiite terrorist organization with strong ties to Iran
  9223. hobo camp
    a place where hoboes camp
  9224. hockey league
    a league of hockey teams
  9225. hockey team
    a team that plays ice hockey
  9226. hodgepodge
    a motley assortment of things
  9227. Hohenzollern
    a German noble family that ruled Brandenburg and Prussia
  9228. Hohenzollern empire
    the Reich when Hohenzollern monarchs ruled Germany
  9229. Hoheria
    small genus of shrubs and small trees of New Zealand: lacebarks
  9230. hoi polloi
    the common people generally
  9231. holandric gene
    a gene located on a Y chromosome
  9232. Holarrhena
    genus of deciduous trees and shrubs of tropical Africa and Asia
  9233. Holbrookia
    earless lizards
  9234. Holcus
    a genus of Old World grasses widely cultivated in America
  9235. holding company
    a corporation with controlling shares in other businesses
  9236. holly family
    widely distributed shrubs and trees
  9237. Hollywood
    a district of Los Angeles long associated with the American film industry
  9238. Holocentridae
    squirrelfishes and soldierfishes
  9239. Holocentrus
    type genus of the family Holocentridae; squirrelfishes
  9240. Holocephali
    chimaeras and extinct forms
  9241. Holothuria
    type genus of the Holothuridae
  9242. Holothuridae
    a family of Holothuroidea
  9243. Holothuroidea
    class of echinoderms including the sea cucumbers
  9244. Holy Roman Empire
    a political entity in Europe that began with the papal coronation of Otto I as the first emperor in 962 and lasted until 1806 when it was dissolved by Napoleon
  9245. Holy War Warriors
    a paramilitary terrorist organization of militant Muslims in Indonesia; wages a jihad against Christians in Indonesia; subscribes to the Wahhabi creed of Islam
  9246. Homaridae
    large-clawed lobsters
  9247. Homarus
    type genus of the family Homaridae: common edible lobsters
  9248. home
    where you live at a particular time
  9249. home folk
    folks from your own home town
  9250. home front
    the civilian population of a country at war
  9251. home guard
    a volunteer unit formed to defend the homeland while the regular army is fighting elsewhere
  9252. Home Loan Bank
    one of 11 regional banks that monitor and make short-term credit advances to thrift institutions in their region
  9253. Home Office
    the government department in charge of domestic affairs
  9254. home reserve
    United States military reserves recruited by the states and equipped by the federal government; subject to call by either
  9255. homebound
    confined usually by illness
  9256. homefolk
    the people of your home locality
  9257. Homeland Security
    the federal department that administers all matters relating to homeland security
  9258. homeless
    without nationality or citizenship
  9259. homeobox
    one of various similar homeotic genes that are involved in bodily segmentation during embryonic development
  9260. homeobox gene
    one of various similar homeotic genes that are involved in bodily segmentation during embryonic development
  9261. homeotic gene
    one the genes that are involved in embryologic development
  9262. Hominidae
    modern man and extinct immediate ancestors of man
  9263. Hominoidea
    anthropoid apes and human beings
  9264. Homobasidiomycetes
    category used in some classification systems for various basidiomycetous fungi including e.g. mushrooms and puffballs which are usually placed in the classes Gasteromycetes and Hymenomycetes
  9265. Homogyne
    small genus of low perennial herbs of montane Europe
  9266. Homona
    tea tortrix
  9267. Homoptera
    plant lice
  9268. honeysuckle family
    shrubs and small trees and woody vines
  9269. honorary society
    an institution for the advancement of art or science or literature
  9270. hood
    a headdress that protects the head and face
  9271. horde
    a vast multitude
  9272. Hordeum
    annual to perennial grasses of temperate northern hemisphere and South America: barley
  9273. Horneophyton
    Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller
  9274. horse
    solid-hoofed herbivorous quadruped domesticated since prehistoric times
  9275. horse cavalry
    an army unit mounted on horseback
  9276. horse-chestnut family
    trees having showy flowers and inedible nutlike seeds in a leathery capsule
  9277. horsetail family
    sole surviving family of the Equisetales: fern allies
  9278. horsey set
    a set of people sharing a devotion to horses and horseback riding and horse racing
  9279. horsy set
    a set of people sharing a devotion to horses and horseback riding and horse racing
  9280. hospital
    a medical institution where sick or injured people are given medical or surgical care
  9281. host
    a person who invites guests to a social event
  9282. Hosta
    robust east Asian clump-forming perennial herbs having racemose flowers: plantain lilies; sometimes placed in family Hostaceae
  9283. Hostaceae
    one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Hosta
  9284. hostile
    characterized by enmity or ill will
  9285. hotchpotch
    a motley assortment of things
  9286. Hottonia
    aquatic herbs
  9287. house
    a dwelling that serves as living quarters for a family
  9288. House of Burgesses
    the lower house of legislature in colonial Virginia
  9289. House of Commons
    the lower house of the British parliament
  9290. House of Hanover
    the English royal house that reigned from 1714 to 1901
  9291. House of Lancaster
    the English royal house that reigned from 1399 to 1461
  9292. House of Lords
    the upper house of the British parliament
  9293. House of Representatives
    the lower legislative assembly of the United States Congress
  9294. House of Tudor
    an English dynasty descended from Henry Tudor
  9295. House of Windsor
    the British royal family since 1917
  9296. House of York
    the English royal house that reigned from 1461 to 1485
  9297. household
    a social unit living together in a residence
  9298. housewarming
    a party of people assembled to celebrate moving into a new home
  9299. Housing and Urban Development
    the United States federal department that administers federal programs dealing with better housing and urban renewal; created in 1965
  9300. housing industry
    an industry that builds housing
  9301. Houttuynia
    one species; east Asian low-growing plant of wet places
  9302. HUA
    an Islamic fundamentalist group in Pakistan that fought the Soviet Union in Afghanistan in the 1980s; now operates as a terrorist organization primarily in Kashmir and seeks Kashmir's accession by Pakistan
  9303. HUD
    the United States federal department that administers federal programs dealing with better housing and urban renewal; created in 1965
  9304. huddle
    a disorganized and densely packed crowd
  9305. hudood
    Islamic laws stating the limits ordained by Allah and including the deterrent punishments for serious crimes
  9306. Hudson River school
    the first coherent school of American art
  9307. Hudsonia
    small evergreen subshrubs of North America
  9308. hudud
    Islamic laws stating the limits ordained by Allah and including the deterrent punishments for serious crimes
  9309. Hugueninia
    one species: tansy-leaved rocket
  9310. HUJI
    an extremist militant group in Pakistan occupied Kashmir that seeks an Islamic government and that has had close links and fought with the Taliban in Afghanistan
  9311. Hulsea
    small genus of erect balsam-scented herbs
  9312. HUM
    an Islamic fundamentalist group in Pakistan that fought the Soviet Union in Afghanistan in the 1980s; now operates as a terrorist organization primarily in Kashmir and seeks Kashmir's accession by Pakistan
  9313. human beings
    all of the living human inhabitants of the earth
  9314. human race
    all of the living human inhabitants of the earth
  9315. humanism
    doctrine promoting the welfare of mankind
  9316. humanity
    all of the living inhabitants of the earth
  9317. humankind
    all of the living human inhabitants of the earth
  9318. humans
    all of the living human inhabitants of the earth
  9319. Humulus
    hops: hardy perennial vines of Europe, North America and central and eastern Asia producing a latex sap; in some classifications included in the family Urticaceae
  9320. hung jury
    a jury that is unable to agree on a verdict
  9321. hunger march
    a march of protest or demonstration by the unemployed
  9322. Hunnemannia
    one species: golden cup
  9323. hunt
    pursue for food or sport (as of wild animals)
  9324. hunt club
    an association of huntsmen who hunt for sport
  9325. hunting and gathering society
    group that supports itself by hunting and fishing and by gathering wild fruits and vegetables; usually nomadic
  9326. hunting and gathering tribe
    group that supports itself by hunting and fishing and by gathering wild fruits and vegetables; usually nomadic
  9327. husking bee
    a social gathering for the purpose of husking corn
  9328. Hyacinthaceae
    one of many families or subfamilies in which some classification systems subdivide the Liliaceae but not widely accepted
  9329. Hyacinthoides
    small genus of perennial bulbs of western Europe and North Africa; sometimes placed in family Hyacinthaceae
  9330. Hyaenidae
    hyenas
  9331. Hyalophora
    American silkworm moth
  9332. Hyalosperma
    genus of herbs of temperate Australia including some from genus Helipterum
  9333. Hyalospongiae
    sponges with siliceous spicules that have six rays
  9334. Hybanthus
    a genus of herbs and small shrubs with white or purple flowers; grows in tropical or subtropical regions
  9335. Hydnaceae
    tooth fungi
  9336. Hydnocarpus
    medium to large Indonesian and Malaysian trees
  9337. Hydnoraceae
    a family of flowering plants in Africa and Argentina that are parasitic on the roots of other plants
  9338. Hydnum
    type genus of Hydnaceae
  9339. hydrangea family
    sometimes included in the family Saxifragaceae
  9340. Hydrangeaceae
    sometimes included in the family Saxifragaceae
  9341. Hydrastis
    small genus of perennial herbs having rhizomes and palmate leaves and small solitary flowers; of northeastern United States and Japan
  9342. hydrazo group
    the bivalent group -HNNH- derived from hydrazine
  9343. hydrazo radical
    the bivalent group -HNNH- derived from hydrazine
  9344. Hydrobates
    type genus of the Hydrobatidae
  9345. Hydrobatidae
    storm petrels
  9346. Hydrocharidaceae
    simple nearly stemless freshwater aquatic plants
  9347. Hydrocharis
    frogbit
  9348. Hydrocharitaceae
    simple nearly stemless freshwater aquatic plants
  9349. Hydrochoeridae
    capybara
  9350. Hydrochoerus
    a genus of Hydrochoeridae
  9351. Hydrodamalis
    a genus of the family Dugongidae comprising only Steller's sea cow
  9352. Hydromantes
    web-toed salamanders
  9353. Hydromyinae
    water rats of Australia and New Guinea
  9354. Hydromys
    water rats
  9355. Hydrophidae
    sea snakes
  9356. Hydrophyllaceae
    perennial woodland herbs
  9357. Hydrophyllum
    waterleaf
  9358. hydroxyl
    the monovalent group -OH in such compounds as bases and some acids and alcohols
  9359. hydroxyl group
    the monovalent group -OH in such compounds as bases and some acids and alcohols
  9360. hydroxyl radical
    the monovalent group -OH in such compounds as bases and some acids and alcohols
  9361. hydroxymethyl
    a methyl with hydroxide replacing the hydrogen atoms
  9362. Hydrozoa
    coelenterates typically having alternation of generations
  9363. Hyemoschus
    water chevrotains
  9364. Hygrocybe
    a genus of fungi belonging to the family Hygrophoraceae
  9365. Hygrophoraceae
    a family of fungi belonging to the order Agaricales
  9366. Hygrophorus
    a genus of fungi belonging to the family Hygrophoraceae
  9367. Hygrotrama
    a genus of fungi belonging to the family Hygrophoraceae
  9368. Hyla
    the type genus of the Hylidae; tree toads
  9369. Hylactophryne
    barking frogs
  9370. Hylidae
    the amphibian family of tree frogs
  9371. Hylobates
    gibbons
  9372. Hylobatidae
    used in some classifications for the lesser apes
  9373. Hylocereus
    genus of climbing or epiphytic tropical American cacti with angular stems and mostly white very fragrant flowers
  9374. Hylocichla
    American thrush: wood thrush; hermit thrush; veery
  9375. Hylophylax
    a genus of Formicariidae
  9376. Hymenaea
    genus of tropical American timber trees
  9377. Hymenanthera
    a genus of slender evergreen shrubs
  9378. Hymenogastrales
    an order of fungi belonging to the class Gasteromycetes
  9379. Hymenomycetes
    used in some classifications
  9380. Hymenophyllaceae
    terrestrial (hygrophytic) or epiphytic ferns: filmy ferns
  9381. Hymenophyllum
    type genus of the Hymenophyllaceae: filmy ferns
  9382. Hymenoptera
    an order of insects including: bees
  9383. Hynerpeton
    earliest fossil amphibian ever found
  9384. Hyoscyamus
    genus of poisonous herbs: henbane
  9385. Hypentelium
    a genus of fish in the family Catostomidae
  9386. hypercoaster
    a roller coaster that goes up 200 feet or higher and can catapult riders from 0 to 70 mph in 4 seconds by motors originally designed to launch rockets
  9387. Hypericaceae
    used in some classification systems for plants usually included among the Guttiferae
  9388. Hypericales
    a large order of dicotyledonous plants of subclass Dilleniidae
  9389. Hypericum
    large almost cosmopolitan genus of evergreen or deciduous shrubs and herbs with often showy yellow flowers; cosmopolitan except tropical lowlands and Arctic or high altitudes and desert regions
  9390. Hypermastigina
    cellulose-producing flagellates
  9391. Hyperoartia
    lampreys as distinguished from hagfishes
  9392. Hyperodontidae
    beaked whales
  9393. Hyperoglyphe
    a genus of Stromateidae
  9394. Hyperoodon
    bottle-nosed whales
  9395. Hyperotreta
    hagfishes as distinguished from lampreys
  9396. Hyphantria
    fall webworms
  9397. Hypochaeris
    widely distributed genus of herbs with milky juice
  9398. Hypochoeris
    widely distributed genus of herbs with milky juice
  9399. Hypocreaceae
    family of fungi having brightly colored fleshy or membranous ascocarps; sometimes placed in its own order Hypocreales
  9400. Hypocreales
    used in some classifications for the family Hypocreaceae
  9401. Hypoderma
    in some classifications considered the type genus of the family Hypodermatidae: warble flies
  9402. Hypodermatidae
    warble flies
  9403. Hypopachus
    sheep frogs
  9404. Hypopitys
    term used in some classifications for the pinesaps, which are usually included in the genus Monotropa
  9405. Hypoxidaceae
    in some classification systems included in the Amaryllidaceae
  9406. Hypoxis
    small plants that resemble amaryllis and that grow from a corm and bear flowers on a leafless stalk; sometimes classified as member of the family Amaryllidaceae: star grass
  9407. Hypsiglena
    night snakes
  9408. Hypsiprymnodon
    musk kangaroos
  9409. Hyracoidea
    hyraxes and some extinct animals
  9410. Hyracotherium
    extinct horse genus; formerly called eohippus
  9411. Hyssopus
    Eurasian genus of perennial herbs or subshrubs
  9412. Hystricidae
    Old World porcupines
  9413. Hystricomorpha
    an order of rodents including: porcupines
  9414. I
    the 9th letter of the Roman alphabet
  9415. I.W.W.
    a former international labor union and radical labor movement in the United States; founded in Chicago in 1905 and dedicated to the overthrow of capitalism; its membership declined after World War I
  9416. IAA
    a plant hormone promoting elongation of stems and roots
  9417. IAEA
    the United Nations agency concerned with atomic energy
  9418. IBDA-C
    a Turkish terrorist organization that claimed responsibility for bombing a British consulate and bank in Istanbul; a violent opponent of Turkey's secular government and its ties to the European Union and NATO
  9419. Iberis
    Old World herbs and subshrubs: candytuft
  9420. IBRD
    a United Nations agency created to assist developing nations by loans guaranteed by member governments
  9421. IC
    a group of government agencies and organizations that carry out intelligence activities for the United States government; headed by the Director of Central Intelligence
  9422. ICAO
    the United Nations agency concerned with civil aviation
  9423. ICC
    a former independent federal agency that supervised and set rates for carriers that transported goods and people between states; was terminated in 1995
  9424. Ichneumonidae
    ichneumon flies
  9425. Ichthyosauria
    extinct marine reptiles: ichthyosaurs
  9426. Ichthyosauridae
    later ichthyosaurs of the Jurassic and Cretaceous
  9427. Ictalurus
    channel catfishes
  9428. Icteria
    New World chats
  9429. Icteridae
    American orioles
  9430. Icterus
    type genus of the Icteridae
  9431. Ictiobus
    buffalo fishes
  9432. Ictodosauria
    extinct reptiles of the later Triassic period
  9433. Ictonyx
    a genus of Mustelidae
  9434. ICU
    a hospital unit staffed and equipped to provide intensive care
  9435. IDA
    an agency of the United Nations affiliated with the World Bank
  9436. identity matrix
    a scalar matrix in which all of the diagonal elements are unity
  9437. IDF
    the ground and air and naval forces of Israel
  9438. IFC
    a United Nations agency that invests directly in companies and guarantees loans to private investors; affiliated with the World Bank
  9439. Igbo
    a member of the largest ethnic group in southeastern Nigeria
  9440. Iguania
    New World lizards
  9441. Iguanidae
    New World lizards
  9442. Iguanodontidae
    iguanodons
  9443. IIS
    the most notorious and possibly the most important arm of Iraq's security system
  9444. Ilex
    a large genus of dicotyledonous trees and shrubs of the family Aquifoliaceae that have small flowers and berries (including hollies)
  9445. Iliamna
    small genus of perennial herbs or subshrubs
  9446. Illecebrum
    one species: coral necklace
  9447. Illicium
    anise trees: evergreen trees with aromatic leaves
  9448. ILO
    the United Nations agency concerned with the interests of labor
  9449. imagism
    a movement by American and English poets early in the 20th century in reaction to Victorian sentimentality; used common speech in free verse with clear concrete imagery
  9450. IMF
    a United Nations agency to promote trade by increasing the exchange stability of the major currencies
  9451. immediate constituent
    a constituent of a sentence at the first step in an analysis: e.g., subject and predicate
  9452. immigrant class
    recent immigrants who are lumped together as a class by their low socioeconomic status in spite of different cultural backgrounds
  9453. immigration
    movement of people into a country or area
  9454. Immigration and Naturalization Service
    an agency in the Department of Justice that enforces laws and regulations for the admission of foreign-born persons to the United States
  9455. IMO
    the United Nations agency concerned with international maritime activities
  9456. imperfect
    defective or inadequate
  9457. imperfect tense
    a tense of verbs used in describing action that is on-going
  9458. Impressionism
    a school of late 19th century French painters who pictured appearances by strokes of unmixed colors to give the impression of reflected light
  9459. IMU
    a terrorist group of Islamic militants formed in 1996
  9460. Inachis
    a genus of Nymphalidae
  9461. INC
    a heterogeneous collection of groups united in their opposition to Saddam Hussein's government of Iraq; formed in 1992 it is comprised of Sunni and Shiite Arabs and Kurds who hope to build a new government
  9462. Inca
    the small group of Quechua living in the Cuzco Valley in Peru who established hegemony over their neighbors in order to create an empire that lasted from about 1100 until the Spanish conquest in the early 1530s
  9463. income bracket
    a category of taxpayers based on the amount of their income
  9464. income tax bracket
    a category of taxpayers based on the amount of their income
  9465. indaba
    a council at which indigenous peoples of southern Africa meet to discuss some important question
  9466. independent agency
    an agency of the United States government that is created by an act of Congress and is independent of the executive departments
  9467. independent clause
    a section in a complex sentence that can stand alone
  9468. index fund
    a mutual fund that invests in the stocks that are the basis of a well-known stock or bond index
  9469. Indian file
    a line of persons or things ranged one behind the other
  9470. Indian race
    sometimes included in the Caucasian race
  9471. Indicatoridae
    honey guides
  9472. indie
    not affiliated with a major recording company
  9473. Indigofera
    genus of tropical herbs and shrubs having odd-pinnate leaves and spurred flowers in long racemes or spikes
  9474. indirect object
    the object that is the recipient or beneficiary of the action of the verb
  9475. Indriidae
    a family of Lemuroidea
  9476. Indus civilization
    the bronze-age culture of the Indus valley that flourished from about 2600-1750 BC
  9477. industrial bank
    a finance company that makes small loans to industrial workers
  9478. industrial loan company
    a finance company that makes small loans to industrial workers
  9479. industrial union
    a labor union that admits all workers in a given industry irrespective of their craft
  9480. Industrial Workers of the World
    a former international labor union and radical labor movement in the United States; founded in Chicago in 1905 and dedicated to the overthrow of capitalism; its membership declined after World War I
  9481. industrialism
    an economic system built around large-scale manufacturing
  9482. industry
    the action of making of goods and services for sale
  9483. infant school
    British school for children aged 5-7
  9484. infantry
    an army unit consisting of soldiers who fight on foot
  9485. inferior court
    any court whose decisions can be appealed to a higher court
  9486. infestation
    the state of being invaded or overrun by parasites
  9487. infinitive
    the uninflected form of the verb
  9488. information
    knowledge acquired through study or experience
  9489. infrared spectrum
    the spectrum of infrared radiation
  9490. Infusoria
    in some recent classifications, coextensive with the Ciliata: minute organisms found in decomposing infusions of organic matter
  9491. ingroup
    an exclusive circle of people with a common purpose
  9492. initiate
    set in motion, start an event or prepare the way for
  9493. Inka
    the small group of Quechua living in the Cuzco Valley in Peru who established hegemony over their neighbors in order to create an empire that lasted from about 1100 until the Spanish conquest in the early 1530s
  9494. INLA
    a radical terrorist group dedicated to the removal of British forces from Northern Ireland and the unification of Ireland
  9495. Inland Revenue
    a board of the British government that administers and collects major direct taxes
  9496. inner circle
    an exclusive circle of people with a common purpose
  9497. Inquisition
    a former tribunal of the Roman Catholic Church (1232-1820) created to discover and suppress heresy
  9498. INR
    an agency that is the primary source in the State Department for interpretive analyses of global developments and focal point for policy issues and activities of the Intelligence Community
  9499. INS
    an agency in the Department of Justice that enforces laws and regulations for the admission of foreign-born persons to the United States
  9500. Insecta
    insects; about five-sixths of all known animal species
  9501. Insectivora
    shrews; moles; hedgehogs; tenrecs
  9502. Insessores
    a bird with feet adapted for perching
  9503. inspectorate
    a body of inspectors
  9504. institute
    set up or lay the groundwork for
  9505. institution
    a custom that has been an important feature of some group
  9506. instrument
    the means whereby some act is accomplished
  9507. instrumental role
    the semantic role of the entity (usually inanimate) that the agent uses to perform an action or start a process
  9508. instrumentality
    the quality of being instrumental for some purpose
  9509. insurance company
    a financial institution that sells insurance
  9510. insurance firm
    a financial institution that sells insurance
  9511. insurance underwriter
    a financial institution that sells insurance
  9512. insurer
    a financial institution that sells insurance
  9513. intelligence
    the ability to comprehend
  9514. intelligence agency
    a unit responsible for gathering and interpreting information about an enemy
  9515. intelligence cell
    a terrorist cell whose members are trained to perform reconnaissance and surveillance
  9516. Intelligence Community
    a group of government agencies and organizations that carry out intelligence activities for the United States government; headed by the Director of Central Intelligence
  9517. intelligence service
    a unit responsible for gathering and interpreting information about an enemy
  9518. intelligentsia
    an educated elite
  9519. intensive care unit
    a hospital unit staffed and equipped to provide intensive care
  9520. Inter-Services Intelligence
    the Pakistan intelligence agency
  9521. Interahamwe
    a terrorist organization that seeks to overthrow the government dominated by Tutsi and to institute Hutu control again
  9522. interest
    a sense of concern with and curiosity about something
  9523. interest group
    people uniting around a specific issue to meet a common goal
  9524. Interior
    the United States federal department charged with conservation and the development of natural resources; created in 1849
  9525. Interior Department
    the United States federal department charged with conservation and the development of natural resources; created in 1849
  9526. Internal Revenue Service
    the bureau of the Treasury Department responsible for tax collections
  9527. International
    any of several international socialist organizations
  9528. International Association of Lions clubs
    club dedicated to promoting responsible citizenship and good government and community and national and international welfare
  9529. International Atomic Energy Agency
    the United Nations agency concerned with atomic energy
  9530. International Bank for Reconstruction and Development
    a United Nations agency created to assist developing nations by loans guaranteed by member governments
  9531. International Civil Aviation Organization
    the United Nations agency concerned with civil aviation
  9532. International Court of Justice
    a court established to settle disputes between members of the United Nations
  9533. International Development Association
    an agency of the United Nations affiliated with the World Bank
  9534. International Finance Corporation
    a United Nations agency that invests directly in companies and guarantees loans to private investors; affiliated with the World Bank
  9535. international intelligence agency
    an intelligence agency outside the United States
  9536. International Islamic Front for Jihad against Jews and Crusaders
    a terrorist group organized by Osama bin Laden in 1998 that provided an umbrella organization for al-Qaeda and other militant groups in Egypt and Algeria and Pakistan and Bangladesh
  9537. International Labor Organization
    the United Nations agency concerned with the interests of labor
  9538. International Labour Organization
    the United Nations agency concerned with the interests of labor
  9539. international law
    the body of laws governing relations between nations
  9540. international law enforcement agency
    an international administrative unit responsible for law enforcement
  9541. International Maritime Organization
    the United Nations agency concerned with international maritime activities
  9542. International Monetary Fund
    a United Nations agency to promote trade by increasing the exchange stability of the major currencies
  9543. international organisation
    an international alliance involving many different countries
  9544. international organization
    an international alliance involving many different countries
  9545. International Relations and Security Network
    Switzerland's information network for security and defense studies and for peace and conflict research and for international relations
  9546. International Society for Krishna Consciousness
    a religious sect founded in the United States in 1966
  9547. Interpol
    an international intelligence agency permitting collaboration among intelligence agencies around the world
  9548. interrogation
    an instance of questioning
  9549. interrogative
    relating to sentences that ask a question
  9550. interrogative sentence
    a sentence of inquiry that asks for a reply
  9551. intersection
    the act of meeting at a point
  9552. Interstate Commerce Commission
    a former independent federal agency that supervised and set rates for carriers that transported goods and people between states; was terminated in 1995
  9553. intransitive
    designating a verb that does not require or cannot take a direct object
  9554. intransitive verb
    a verb (or verb construction) that does not take an object
  9555. intransitive verb form
    a verb (or verb construction) that does not take an object
  9556. investment company
    a financial institution that sells shares to individuals and invests in securities issued by other companies
  9557. investment firm
    a financial institution that sells shares to individuals and invests in securities issued by other companies
  9558. investment trust
    a financial institution that sells shares to individuals and invests in securities issued by other companies
  9559. investors club
    a club of small investors who buy and sell securities jointly
  9560. Invincible Armada
    the great fleet sent from Spain against England by Philip II in 1588
  9561. involution
    the act of sharing in the activities of a group
  9562. iodin
    a nonmetallic element belonging to the halogens
  9563. iodine
    a nonmetallic element belonging to the halogens
  9564. iodine-125
    light radioactive isotope of iodine with a half-life of 60 days; used as a tracer in thyroid studies and as a treatment for hyperthyroidism
  9565. iodine-131
    heavy radioactive isotope of iodine with a half-life of 8 days; used in a sodium salt to diagnose thyroid disease and to treat goiter
  9566. Ionian
    a member of one of four linguistic divisions of the prehistoric Greeks
  9567. Ipidae
    large family of bark-boring or wood-boring short-beaked beetles; very destructive to forest and fruit trees
  9568. Ipomoea
    morning glory
  9569. IR
    a board of the British government that administers and collects major direct taxes
  9570. IRA
    a retirement plan that allows you to contribute a limited yearly sum toward your retirement; taxes on the interest earned in the account are deferred
  9571. Iraqi Intelligence Service
    the most notorious and possibly the most important arm of Iraq's security system
  9572. Iraqi Mukhabarat
    the most notorious and possibly the most important arm of Iraq's security system
  9573. Iraqi National Congress
    a heterogeneous collection of groups united in their opposition to Saddam Hussein's government of Iraq; formed in 1992 it is comprised of Sunni and Shiite Arabs and Kurds who hope to build a new government
  9574. Irena
    type genus of the Irenidae: fairy bluebirds
  9575. Irenidae
    a family of birds of the suborder Oscines
  9576. Iresine
    genus of tropical American herbs or subshrubs
  9577. Iridaceae
    large family of usually perennial geophytic herbs with rhizomes or corms or bulbs
  9578. Iridoprocne
    a genus of Hirundinidae
  9579. iris family
    large family of usually perennial geophytic herbs with rhizomes or corms or bulbs
  9580. Irish
    of or relating to or characteristic of Ireland or its people
  9581. Irish National Liberation Army
    a radical terrorist group dedicated to the removal of British forces from Northern Ireland and the unification of Ireland
  9582. Irish people
    people of Ireland or of Irish extraction
  9583. Irish Republican Army
    a militant organization of Irish nationalists who used terrorism and guerilla warfare in an effort to drive British forces from Northern Ireland and achieve a united independent Ireland
  9584. Iroquois League
    a league of Iroquois tribes including originally the Mohawk, Oneida, Onondaga, Cayuga and Seneca (the Five Nations); after 1722 they were joined by the Tuscarora (the Six Nations)
  9585. IRS
    the bureau of the Treasury Department responsible for tax collections
  9586. Irvingia
    wild mango
  9587. Isatis
    Old World genus of annual to perennial herbs: woad
  9588. Ischigualastia
    early reptile found in Argentina
  9589. ISI
    the Pakistan intelligence agency
  9590. ISKCON
    a religious sect founded in the United States in 1966
  9591. Islam
    the monotheistic religious system of Muslims
  9592. Islam Nation
    the Muslim community or people, considered to extend from Mauritania to Pakistan
  9593. Islamic Army of Aden
    Yemen-based terrorist group that supports al-Qaeda's goals
  9594. Islamic Army of Aden-Abyan
    Yemen-based terrorist group that supports al-Qaeda's goals
  9595. Islamic Community
    a clandestine group of southeast Asian terrorists organized in 1993 and trained by al-Qaeda; supports militant Muslims in Indonesia and the Philippines and has cells in Singapore and Malaysia and Indonesia
  9596. Islamic Great Eastern Raiders-Front
    a Turkish terrorist organization that claimed responsibility for bombing a British consulate and bank in Istanbul; a violent opponent of Turkey's secular government and its ties to the European Union and NATO
  9597. Islamic Group
    a clandestine group of southeast Asian terrorists organized in 1993 and trained by al-Qaeda; supports militant Muslims in Indonesia and the Philippines and has cells in Singapore and Malaysia and Indonesia
  9598. Islamic Group of Uzbekistan
    a terrorist group of Islamic militants formed in 1996
  9599. Islamic Jihad
    a Shiite terrorist organization with strong ties to Iran
  9600. Islamic Jihad for the Liberation of Palestine
    a Shiite terrorist organization with strong ties to Iran
  9601. Islamic law
    the code of religious law derived from the Quran
  9602. Islamic Party of Turkestan
    a terrorist group of Islamic militants formed in 1996
  9603. Islamic Resistance Movement
    a militant Islamic fundamentalist political movement that opposes peace with Israel and uses terrorism as a weapon; seeks to create an Islamic state in place of Israel; is opposed to the PLO and has become a leading perpetrator of terrorist activity in Israel; pioneered suicide bombing
  9604. Islamic Ummah
    the Muslim community or people, considered to extend from Mauritania to Pakistan
  9605. Islamic Unity
    a fundamentalist Islamic group in Somalia who initially did fundraising for al-Qaeda; responsible for ambushing United States Army Rangers and for terrorist bombings in Ethiopia; believed to have branches in several countries
  9606. Islamism
    the monotheistic religious system of Muslims founded in Arabia in the 7th century and based on the teachings of Muhammad as laid down in the Koran
  9607. ISN
    Switzerland's information network for security and defense studies and for peace and conflict research and for international relations
  9608. Isoetaceae
    quillworts; coextensive with the genus Isoetes
  9609. Isoetales
    aquatic or marsh-growing fern allies
  9610. Isoetes
    type and genus of the Isoetaceae and sole extant genus of the order Isoetales
  9611. Isopoda
    woodlice
  9612. Isoptera
    order of social insects that live in colonies, including: termites; often placed in subclass Exopterygota
  9613. Isopyrum
    tufted perennial herbs of northern hemisphere
  9614. Isospondyli
    most primitive teleost fishes
  9615. Israeli Defense Force
    the ground and air and naval forces of Israel
  9616. Israelites
    the ethnic group claiming descent from Abraham and Isaac
  9617. issuer
    an institution that issues something
  9618. Istiophoridae
    sailfishes; spearfishes; marlins
  9619. Istiophorus
    type genus of the Istiophoridae
  9620. Isuridae
    in some classifications another name for the family Lamnidae
  9621. Isurus
    mako sharks
  9622. ivy family
    mostly tropical trees and shrubs and lianas: genera Panax and Hedera
  9623. Ivy League
    a league of universities and colleges in the northeastern United States that have a reputation for scholastic achievement and social prestige
  9624. IWW
    a former international labor union and radical labor movement in the United States; founded in Chicago in 1905 and dedicated to the overthrow of capitalism; its membership declined after World War I
  9625. Ixia
    a monocotyledonous genus of the family Iridaceae
  9626. Ixobrychus
    bitterns
  9627. Ixodes
    type genus of the family Ixodidae
  9628. Ixodidae
    hard ticks
  9629. Iz Al-Din Al-Qassam Battalions
    the military arm of Hamas responsible for suicide bombings and other attacks on Israel
  9630. Jabat al-Tahrir al-Filistiniyyah
    a terrorist group formed in 1977 as the result of a split with the Popular Front for the Liberation of Palestine; became a satellite of al-Fatah; made terrorist attacks on Israel across the Lebanese border
  9631. Jacksonia
    genus of yellow-flowered Australian unarmed or spiny shrubs without true leaves but having leaflike stems or branches
  9632. Jacquinia
    sometimes placed in family Myrsinaceae
  9633. Jaculus
    jerboas
  9634. Jainism
    religion founded in the 6th century BC as a revolt against Hinduism; emphasizes asceticism and immortality and transmigration of the soul; denies existence of a perfect or supreme being
  9635. Jaish-e-Muhammad
    a terrorist organization founded in 2000
  9636. Jaish-i-Mohammed
    a terrorist organization founded in 2000
  9637. jam
    press tightly together or cram
  9638. Jamaat ul-Fuqra
    an Islamic terrorist group organized in the 1980s
  9639. Jambos
    used in some classifications for rose apples
  9640. Jamesonia
    xerophytic ferns of South America
  9641. Japanese Red Army
    a terrorist group organized in 1970 to overthrow the Japanese government and monarchy and to foment world revolution; is said to have close ties with Palestinian terrorists
  9642. Jasminum
    shrubs and woody climbers mostly of tropical and temperate Old World: jasmine; jessamine
  9643. Jassidae
    family of small leafhoppers coextensive with the Cicadellidae and not distinguished from it in some classifications
  9644. jati
    a Hindu caste or distinctive social group
  9645. Jatropha
    a mainly tropical genus of American plant belonging to the family Euphorbiaceae
  9646. Jayshullah
    an indigenous Islamic terrorist group in Azerbaijan that attempted to bomb the United States embassy in 1999
  9647. jazz band
    a small band of jazz musicians
  9648. jazz group
    a small band of jazz musicians
  9649. Jehovah's Witnesses
    Protestant denomination founded in the United States by Charles Taze Russell in 1884
  9650. JEM
    a terrorist organization founded in 2000
  9651. Jemaah Islamiyah
    a clandestine group of southeast Asian terrorists organized in 1993 and trained by al-Qaeda; supports militant Muslims in Indonesia and the Philippines and has cells in Singapore and Malaysia and Indonesia
  9652. Jerusalem Warriors
    ethnic Turkish Sunni terrorists who are linked with the Turkish Hizballah; killed a United States Air Force sergeant in 1991
  9653. Jesuit order
    a Roman Catholic order founded by Saint Ignatius of Loyola in 1534 to defend Catholicism against the Reformation and to do missionary work among the heathen; it is strongly committed to education and scholarship
  9654. jet set
    a group of rich, fashionable people who travel for pleasure
  9655. jewelry dealer
    a firm that sells and buys jewelry
  9656. jewelry store
    a firm that sells and buys jewelry
  9657. Jewish Orthodoxy
    Jews who strictly observe the Mosaic law as interpreted in the Talmud
  9658. Jewish religion
    Jews collectively who practice a religion based on the Torah and the Talmud
  9659. Jewry
    Jews collectively
  9660. JI
    a clandestine group of southeast Asian terrorists organized in 1993 and trained by al-Qaeda; supports militant Muslims in Indonesia and the Philippines and has cells in Singapore and Malaysia and Indonesia
  9661. Jirga
    a Pashto term for a decision making assembly of male elders
  9662. job lot
    a miscellaneous collection of things sold together
  9663. jockey club
    a club to promote and regulate horse racing
  9664. join
    cause to become joined or linked
  9665. Joint Chiefs
    the executive agency that advises the President on military questions; composed of the chiefs of the United States Army and the United States Navy and the United States Air Force and the commandant of the United States Marine Corps
  9666. Joint Chiefs of Staff
    the executive agency that advises the President on military questions; composed of the chiefs of the United States Army and the United States Navy and the United States Air Force and the commandant of the United States Marine Corps
  9667. joint-stock company
    a business collectively owned by those who bought shares
  9668. Jordanella
    flagfishes
  9669. JRA
    a terrorist group organized in 1970 to overthrow the Japanese government and monarchy and to foment world revolution; is said to have close ties with Palestinian terrorists
  9670. Judaica
    historical and literary materials relating to Judaism
  9671. Judaism
    the monotheistic religion of the Jews having its spiritual and ethical principles embodied chiefly in the Torah and in the Talmud
  9672. judicatory
    the system of law courts that administer justice and constitute the judicial branch of government
  9673. judicature
    the act of meting out justice according to the law
  9674. judicial branch
    part of the government that administers justice
  9675. judicial system
    the system of law courts that administer justice and constitute the judicial branch of government
  9676. judiciary
    the system of law courts that administer justice
  9677. jug band
    a musical group that uses jugs and washboards and kazoos and other improvised instruments
  9678. Juglandaceae
    trees having usually edible nuts: butternuts
  9679. Juglandales
    coextensive with the family Juglandaceae
  9680. Juglans
    type genus of the Juglandaceae
  9681. Juncaceae
    tufted herbs resembling grasses: rushes
  9682. Juncaginaceae
    a family of monocotyledonous bog herbs of order Naiadales
  9683. Juncus
    type genus of the Juncaceae
  9684. Jund-ul-Islam
    an Islamic extremist group of Kurds who oppose secular control with bombings and assassinations; believed to have ties with al-Qaeda
  9685. Jungermanniaceae
    comprising the leafy members of the order Jungermanniales
  9686. Jungermanniales
    large order of chiefly tropical liverworts
  9687. jungle
    an impenetrable equatorial forest
  9688. junior class
    penultimate class in high school or college
  9689. junior college
    a college that offers only the first two years terminating in an associate degree
  9690. junior high
    a secondary school usually including 7th and 8th grades
  9691. junior high school
    a secondary school usually including 7th and 8th grades
  9692. junior school
    British school for children aged 7-11
  9693. junior varsity
    a college or university team that competes at a level below the varsity team
  9694. Juniperus
    junipers
  9695. junta
    a group of officers who rule a country after seizing power
  9696. junto
    a clique that seeks power usually through intrigue
  9697. jurisprudence
    the branch of philosophy concerned with the law
  9698. jury
    a body of citizens sworn to give a verdict in a court of law
  9699. Justice
    the U.S. department responsible for enforcing federal laws
  9700. Justice Department
    the United States federal department responsible for enforcing federal laws (including the enforcement of all civil rights legislation); created in 1870
  9701. juvenile court
    a court having jurisdiction over dependent and delinquent children
  9702. JV
    a college or university team that competes at a level below the varsity team
  9703. Jynx
    wrynecks
  9704. Kach
    a terrorist organization founded for Jewish defense
  9705. Kahane Chai
    a terrorist organization founded for Jewish defense
  9706. Kakatoe
    a genus of Psittacidae
  9707. Kalahari
    a desert in southwestern Africa - largely Botswana
  9708. Kalahari Desert
    a desert in southwestern Africa - largely Botswana
  9709. Kalotermes
    type genus of Kalotermitidae
  9710. Kalotermitidae
    primitive termites of warm regions
  9711. kangaroo court
    an irregular unauthorized court
  9712. Kaplan Group
    a Turkish terrorist group of fundamentalist Muslims with ties to al-Qaeda that operates in Germany; seeks the violent overthrow of the Turkish government and the establishment of an Islamic nation modeled on Iran
  9713. Kara Kum
    a desert in Turkmenistan to the south of the Aral Sea
  9714. Karaites
    a Jewish sect that recognizes only the Hebrew Scriptures as the source of divinely inspired legislation and denies the authority of the postbiblical tradition of the Talmud; the sect arose in Iraq in the eighth century
  9715. Kashag
    the advisory board of the Tibetan government-in-exile
  9716. Katsuwonidae
    in some classifications considered a separate family comprising the oceanic bonitos
  9717. Katsuwonus
    oceanic bonitos
  9718. Kavir Desert
    a salt desert in north central Iran
  9719. Kechua
    the language of the Quechua which was spoken by the Incas
  9720. Kennedia
    genus of Australian woody vines having showy red or purplish flowers
  9721. Kennedya
    genus of Australian woody vines having showy red or purplish flowers
  9722. Kenyapithecus
    extinct primate having powerful chewing muscles along with large molars and small incisors; fossils found in Kenya
  9723. ketone group
    a group having the characteristic properties of ketones
  9724. KGB
    formerly the predominant security police organization of Soviet Russia
  9725. Khalsa
    the group of initiated Sikhs to which devout orthodox Sikhs are ritually admitted at puberty; founded by the tenth and last Guru in 1699
  9726. Khaya
    African mahogany trees
  9727. Khmer Rouge
    a communist organization formed in Cambodia in 1970
  9728. kibbutz
    a collective farm or settlement in modern Israel
  9729. Kiggelaria
    small genus of South African shrubs or small trees
  9730. kin
    a person related to another or others
  9731. kin group
    group of people related by blood or marriage
  9732. kindergarten
    a preschool for children to prepare them for primary school
  9733. kindred
    group of people related by blood or marriage
  9734. kinfolk
    a person's relatives, collectively
  9735. kingdom
    the domain ruled by a monarch
  9736. kingdom Animalia
    taxonomic kingdom comprising all living or extinct animals
  9737. kingdom Fungi
    the taxonomic kingdom including yeast, molds, smuts, mushrooms, and toadstools; distinct from the green plants
  9738. kingdom Monera
    prokaryotic bacteria and blue-green algae and various primitive pathogens; because of lack of consensus on how to divide the organisms into phyla informal names are used for the major divisions
  9739. kingdom Plantae
    (botany) the taxonomic kingdom comprising all living or extinct plants
  9740. kingdom Prokaryotae
    prokaryotic bacteria and blue-green algae and various primitive pathogens; because of lack of consensus on how to divide the organisms into phyla informal names are used for the major divisions
  9741. kingdom Protoctista
    in most modern classifications, replacement for the Protista
  9742. Kinosternidae
    mud turtles; musk turtles
  9743. Kinosternon
    type genus of the Kinosternidae
  9744. kinsfolk
    people descended from a common ancestor
  9745. kinship group
    group of people related by blood or marriage
  9746. Kirkia
    small genus of tropical South African trees and shrubs
  9747. kitchen cabinet
    an inner circle of unofficial advisors to the head of a government
  9748. kith
    your friends and acquaintances
  9749. Kizil Kum
    a desert in Uzbekistan to the southeast of the Aral Sea
  9750. KKK
    a secret society of white Southerners in the United States
  9751. Klan
    a secret society of white Southerners in the United States
  9752. klavern
    a local unit of the Ku Klux Klan
  9753. kludge
    a badly assembled collection of parts hastily assembled to serve some particular purpose (often used to refer to computing systems or software that has been badly put together)
  9754. Knesset
    the Israeli unicameral parliament
  9755. Knesseth
    the Israeli unicameral parliament
  9756. knighthood
    aristocrats holding the rank of knight
  9757. Knightia
    small genus of trees or shrubs of New Zealand and New Caledonia
  9758. knot
    a fastening formed by looping and tying a cord or rope
  9759. Know-Nothing Party
    a former political party in the United States
  9760. Kobus
    African antelopes: waterbucks
  9761. Kochia
    summer cypress
  9762. Koellia
    American mountain mint
  9763. Kogia
    pygmy sperm whales
  9764. koinonia
    Christian fellowship or communion with God or with fellow Christians; said in particular of the early Christian community
  9765. Kokka
    of or pertaining to the branch of Shinto recognized as the state religion of Japan
  9766. Kokka Shinto
    the branch of Shinto recognized as the official state religion of Japan
  9767. kolkhoz
    a collective farm owned by the communist state
  9768. Kolkwitzia
    Chinese genus of 1 species: beauty bush
  9769. Kosteletzya
    small genus of herbs of southeastern United States and tropical America and Africa
  9770. KR
    a communist organization formed in Cambodia in 1970
  9771. Krypterophaneron
    a genus of fish in the family Anomalopidae
  9772. Ku Klux Klan
    a secret society of white Southerners in the United States
  9773. Kuomintang
    the political party founded in 1911 by Sun Yat-sen
  9774. Kurd
    a member of a people who live in Kurdistan, a region in southwest Asia; the largest ethnic group without their own state
  9775. Kurdistan Labor Pary
    a Marxist-Leninist terrorist group of Kurds trying to establish an independent Kurdish state in eastern Turkey
  9776. Kurdistan Workers Party
    a Marxist-Leninist terrorist group of Kurds trying to establish an independent Kurdish state in eastern Turkey
  9777. Kyphosidae
    sea chubs
  9778. Kyphosus
    type genus of the Kyphosidae
  9779. Kyzyl Kum
    a desert in Uzbekistan to the southeast of the Aral Sea
  9780. Labiatae
    a large family of aromatic herbs and shrubs having flowers resembling the lips of a mouth and four-lobed ovaries yielding four one-seeded nutlets and including mint; thyme; sage; rosemary
  9781. Lablab
    one species: hyacinth bean
  9782. LABLINK
    a defense laboratory that provides essential services in fundamental science for national security and environmental protection and provides technologies that contribute to industrial competitiveness
  9783. labor
    any piece of work that is undertaken or attempted
  9784. Labor Department
    the federal department responsible for promoting the working conditions of wage earners in the United States; created in 1913
  9785. labor force
    the source of trained people from which workers can be hired
  9786. labor movement
    an organized attempt by workers to improve their status by united action (particularly via labor unions) or the leaders of this movement
  9787. labor party
    a left-of-center political party formed to represent the interest of ordinary working people
  9788. labor pool
    the source of trained people from which workers can be hired
  9789. labor union
    an employee organization that bargains with an employer
  9790. labour
    productive work (especially physical work done for wages)
  9791. labour party
    a left-of-center political party formed to represent the interest of ordinary working people
  9792. Labridae
    wrasses
  9793. Laburnum
    flowering shrubs or trees having bright yellow flowers
  9794. Labyrinthodonta
    extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic
  9795. Labyrinthodontia
    extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic
  9796. Laccopetalum
    one species: giant buttercup
  9797. Lacerta
    type genus of the Lacertidae
  9798. Lacertidae
    Old World lizards
  9799. Lacertilia
    true lizards; including chameleons and geckos
  9800. Lachnolaimus
    a genus of Labridae
  9801. Lactarius
    large genus of agarics that have white spore and contain a white or milky juice when cut or broken; includes both edible and poisonous species
  9802. Lactobacillaceae
    lactic acid bacteria and important pathogens
  9803. Lactobacteriaceae
    lactic acid bacteria and important pathogens
  9804. Lactophrys
    a genus of Ostraciidae
  9805. Lactuca
    an herb with milky juice: lettuce; prickly lettuce
  9806. Lagarostrobus
    genus of dioecious evergreen trees of New Zealand and Tasmania; similar to genus Dacrydium
  9807. Lagenaria
    bottle gourds
  9808. Lagenophera
    small genus of herbs of Australia and South America having small solitary white or purple flowers similar to true daisies of genus Bellis
  9809. Lagerstroemia
    shrubs or small trees of tropical Asia and Africa usually with showy white, pink, or purplish flowers
  9810. Lagidium
    a genus of Chinchillidae
  9811. Lagodon
    a genus of Sparidae
  9812. Lagomorpha
    rabbits
  9813. Lagopus
    ptarmigans
  9814. Lagorchestes
    hare wallabies
  9815. Lagostomus
    viscachas
  9816. Lagothrix
    woolly monkeys
  9817. Laguncularia
    a genus of Laguncularia
  9818. laissez-faire economy
    an economy that relies chiefly on market forces to allocate goods and resources and to determine prices
  9819. laity
    members of a religious community who are not clergy
  9820. lake poets
    English poets at the beginning of the 19th century who lived in the Lake District and were inspired by it
  9821. Lama
    llamas
  9822. Lambertia
    small genus of Australian shrubs
  9823. Lambis
    scorpion shells of shallow tropical waters of the eastern hemisphere
  9824. Lamellibranchia
    oysters; clams; scallops; mussels
  9825. Lamellicornia
    scarabaeid beetles and stag beetles
  9826. Lamiaceae
    a large family of aromatic herbs and shrubs having flowers resembling the lips of a mouth and four-lobed ovaries yielding four one-seeded nutlets and including mint; thyme; sage; rosemary
  9827. Laminaria
    type genus of the family Laminariaceae: perennial brown kelps
  9828. Laminariaceae
    large family of marine brown algae including many economically important large kelps chiefly of northern waters
  9829. Laminariales
    in some classifications coextensive with family Laminariaceae: marine brown algae of cold or polar seas
  9830. Lamium
    genus of Old World herbs: dead nettles; henbits
  9831. Lamna
    a genus of Lamnidae
  9832. Lamnidae
    oceanic sharks
  9833. Lampridae
    opahs
  9834. Lampris
    type genus of the Lampridae
  9835. Lampropeltis
    king snakes and milk snakes
  9836. Lampyridae
    fireflies
  9837. Lancaster
    a city in northwestern England
  9838. Lancastrian line
    the English royal house that reigned from 1399 to 1461
  9839. land
    the solid part of the earth's surface
  9840. landed gentry
    the gentry who own land (considered as a class)
  9841. landing party
    a part of a ship's company organized for special duties ashore
  9842. language school
    a school for teaching foreign languages
  9843. language system
    a system of linguistic units or elements used in a particular language
  9844. Laniidae
    shrikes
  9845. Lanius
    type genus of the Laniidae: typical shrikes
  9846. lanthanide
    any element of the lanthanide series
  9847. lanthanide series
    the rare-earth elements with atomic numbers 57 through 71
  9848. lanthanoid
    any element of the lanthanide series
  9849. lanthanon
    any element of the lanthanide series
  9850. Lanthanotidae
    stout-bodied lizards
  9851. Lanthanotus
    one species
  9852. Laportea
    mostly tropical stinging herbs or trees: nettle
  9853. Lappula
    stickweed; beggar's lice
  9854. Lardizabala
    evergreen monoecious climbers of South America having dark mauve-blue edible berries
  9855. lardizabala family
    thick-stemmed lianas and some shrubs; some have edible fruit
  9856. Lardizabalaceae
    thick-stemmed lianas and some shrubs; some have edible fruit
  9857. large cap
    a corporation with a large capitalization
  9858. Large Magellanic Cloud
    the larger of the two Magellanic Clouds visible from the southern hemisphere
  9859. Lari
    gulls; terns; jaegers; skimmers
  9860. Laricariidae
    armored catfish
  9861. Laridae
    gull family: gulls and terns
  9862. Larix
    larches
  9863. Larrea
    xerophytic evergreen shrubs
  9864. Larus
    type genus of the Laridae
  9865. Larvacea
    small free-swimming tunicates
  9866. lash-up
    any improvised arrangement for temporary use
  9867. Lashkar-e-Jhangvi
    a Sunni Muslim extremist group in Pakistan that collaborates with al-Qaeda; the armed wing of Sipah-e-Sahaba
  9868. Lashkar-e-Omar
    a terrorist organization formed in Pakistan in 2002 as a coalition of extremist Islamic militant groups including Lashkar-e-Taiba and Lashkar-e-Jhangvi and Jaish-e-Muhammad and elements of al-Qaeda
  9869. Lashkar-e-Taiba
    a brutal terrorist group active in Kashmir
  9870. Lashkar-e-Tayyiba
    a brutal terrorist group active in Kashmir
  9871. Lashkar-e-Toiba
    a brutal terrorist group active in Kashmir
  9872. Lasiocampa
    type genus of the Lasiocampidae: eggars
  9873. Lasiocampidae
    tent caterpillars; eggars; lappet moths
  9874. Lasiurus
    a genus of Vespertilionidae
  9875. Laskar Jihad
    a paramilitary terrorist organization of militant Muslims in Indonesia; wages a jihad against Christians in Indonesia; subscribes to the Wahhabi creed of Islam
  9876. Lasthenia
    small genus of herbs of Pacific coast of North and South America
  9877. Lastreopsis
    tropical terrestrial shield ferns
  9878. Lateran Council
    any of five general councils of the Western Catholic Church that were held in the Lateran Palace
  9879. Lates
    a genus of large percoid fishes of fresh and brackish water
  9880. Lates calcarifer
    a species of large perch noted for its sporting and eating qualities; lives in marine, estuary, and freshwater habitats
  9881. Lathyrus
    genus of climbing herbs of Old World and temperate North and South America: vetchling; wild pea
  9882. Latimeria
    type genus of the Latimeridae: coelacanth
  9883. Latimeridae
    extinct except for the coelacanth
  9884. Latin square
    a square matrix of n rows and columns
  9885. Latinae
    a subfamily of the family Centropomidae
  9886. Latrodectus
    venomous spiders
  9887. Lauraceae
    a family of Lauraceae
  9888. laurel
    a small aromatic tree with shiny dark green leaves
  9889. Laurel and Hardy
    United States slapstick comedy duo who made many films together
  9890. laurel family
    a family of Lauraceae
  9891. laurel wreath
    an award for winning a championship or commemorating some other event
  9892. Laurus
    small evergreen trees or shrubs with aromatic leaves
  9893. Lautaro Faction of the United Popular Action Movement
    a violent terrorist group organized in the 1980s and advocating the overthrow of the Chilean military government; leaders are mainly criminals or impoverished youths
  9894. Lautaro Popular Rebel Forces
    a violent terrorist group organized in the 1980s and advocating the overthrow of the Chilean military government; leaders are mainly criminals or impoverished youths
  9895. Lautaro Youth Movement
    a violent terrorist group organized in the 1980s and advocating the overthrow of the Chilean military government; leaders are mainly criminals or impoverished youths
  9896. Lavandula
    lavender
  9897. Lavatera
    widespread genus of herbs or softwood arborescent shrubs cultivated for their showy flowers
  9898. law
    the collection of rules imposed by authority
  9899. law enforcement agency
    an agency responsible for insuring obedience to the laws
  9900. law firm
    a firm of lawyers
  9901. law merchant
    the body of rules applied to commercial transactions
  9902. Law of Moses
    the laws that God gave to the Israelites through Moses
  9903. law of nations
    the body of laws governing relations between nations
  9904. law of the land
    a phrase used in the Magna Carta to refer to the then established law of the kingdom (as distinct from Roman or civil law); today it refers to fundamental principles of justice commensurate with due process
  9905. law school
    a graduate school offering study leading to a law degree
  9906. law-makers
    persons who make or amend or repeal laws
  9907. lawcourt
    a tribunal that is presided over by a magistrate or by one or more judges who administer justice according to the laws
  9908. lawn party
    a party of people assembled for social interaction out of doors
  9909. Layia
    genus of western United States annuals with showy yellow or white flowers
  9910. Ld.
    a company that is organized to give its owners limited liability
  9911. lea
    a field covered with grass or herbage and suitable for grazing by livestock
  9912. lead bank
    a bank named by a lending syndicate of several banks to protect their interests
  9913. leaders
    the body of people who lead a group
  9914. leadership
    the status of being in charge
  9915. leading question
    a question phrased in such a way as to suggest the desired answer; a lawyer may ask leading questions on cross-examination
  9916. leadwort family
    perennial herbs and shrubs and lianas
  9917. league
    an association of states or individuals for common action
  9918. League of Iroquois
    a league of Iroquois tribes including originally the Mohawk, Oneida, Onondaga, Cayuga and Seneca (the Five Nations); after 1722 they were joined by the Tuscarora (the Six Nations)
  9919. League of Nations
    an international organization formed in 1920 to promote cooperation and peace among nations; although suggested by Woodrow Wilson, the United States never joined and it remained powerless; it was dissolved in 1946 after the United Nations was formed
  9920. Lebanese Hizballah
    a Shiite terrorist organization with strong ties to Iran
  9921. Lebistes
    guppies
  9922. Lecanoraceae
    a fungus family of the division Lichenes
  9923. Leccinum
    a genus of fungi belonging to the family Boletaceae
  9924. Lechanorales
    category used in some classification systems for all lichens that produce apothecia
  9925. Lecythidaceae
    large tropical trees bearing large fruits with woody skins
  9926. Ledum
    evergreen shrubs of north temperate regions
  9927. left
    being or located on or directed toward the side of the body to the west when facing north
  9928. left wing
    those who support varying degrees of social or political or economic change designed to promote the public welfare
  9929. legal community
    the body of individuals qualified to practice law in a particular jurisdiction
  9930. legal profession
    the body of individuals qualified to practice law in a particular jurisdiction
  9931. legation
    a permanent diplomatic mission headed by a minister
  9932. legion
    a large military unit
  9933. legislation
    the act of making or enacting laws
  9934. legislative assembly
    persons who make or amend or repeal laws
  9935. legislative body
    persons who make or amend or repeal laws
  9936. legislative branch
    the part of the government that makes laws
  9937. legislative council
    a unicameral legislature
  9938. legislature
    an assembly that makes, amends, or repeals laws
  9939. legume family
    a large family of trees, shrubs, vines, and herbs bearing bean pods; divided for convenience into the subfamilies Caesalpiniaceae; Mimosaceae; Papilionaceae
  9940. Leguminosae
    a large family of trees, shrubs, vines, and herbs bearing bean pods; divided for convenience into the subfamilies Caesalpiniaceae; Mimosaceae; Papilionaceae
  9941. lei
    a circular band of flowers or other foliage
  9942. Leiopelma
    type and sole genus of the family Leiopelmatidae
  9943. Leiopelmatidae
    primitive New Zealand frogs
  9944. Leiophyllum
    one species: sand myrtle
  9945. Leitneria
    one species: corkwood
  9946. Leitneriaceae
    coextensive with the genus Leitneria
  9947. Lemaireocereus
    tropical American cacti usually tall and branching with stout spines and funnel-shaped flowers and globular or ovoid often edible fruit
  9948. Lemmus
    lemmings
  9949. Lemna
    minute aquatic herbs floating on or below the water surface of still water consisting of a leaflike frond or plant body and single root
  9950. Lemnaceae
    family of small free-floating thalloid plants
  9951. Lemuridae
    typical lemurs; of Madagascar
  9952. Lemuroidea
    Lemuridae
  9953. lending institution
    a financial institution that makes loans
  9954. Lennoaceae
    family of fleshy parasitic herbs lacking green foliage and having heads of small flowers; California and Mexico
  9955. Lens
    genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils
  9956. Lentibulariaceae
    carnivorous aquatic or bog plants: genera Utricularia, Pinguicula, and Genlisea
  9957. Lentinus
    a genus of fungus belonging to the family Tricholomataceae
  9958. Leonotis
    small genus of tropical herbs and subshrubs of South Africa
  9959. Leontocebus
    tamarins
  9960. Leontodon
    hawkbit
  9961. Leontopodium
    edelweiss
  9962. Leonurus
    genus of stout Old World herbs having flowers in whorls
  9963. Lepadidae
    goose barnacles
  9964. Lepas
    type genus of the family Lepadidae
  9965. Lepechinia
    a dicotyledonous genus of the family Labiatae
  9966. Lepidium
    cosmopolitan genus of annual and biennial and perennial herbs: cress
  9967. Lepidobotryaceae
    family created in 1950 solely for the classification of a distinctive African tree repeatedly classified in other families; trees long believed to exist only in Africa
  9968. Lepidochelys
    ridleys
  9969. Lepidocybium
    a genus of Gempylidae
  9970. Lepidodendraceae
    fossil plants characterized by conspicuous spirally arranged leaf scars on the trunk
  9971. Lepidodendrales
    fossil arborescent plants arising during the early Devonian and conspicuous throughout the Carboniferous
  9972. Lepidoptera
    moths and butterflies
  9973. Lepidosauria
    diapsid reptiles: lizards; snakes; tuataras
  9974. Lepidothamnus
    small usually shrubby conifers
  9975. Lepiotaceae
    a family of fungi having free gills and a cap that is cleanly separable from the stalk
  9976. Lepisma
    type genus of the Lepismatidae: silverfish
  9977. Lepismatidae
    firebrats
  9978. Lepisosteidae
    comprises the genus Lepisosteus
  9979. Lepisosteus
    type genus of the Lepisosteidae: freshwater gars
  9980. Lepomis
    bream
  9981. Leporidae
    hares and rabbits
  9982. Leptarrhena
    one species: leatherleaf saxifrage
  9983. Leptinotarsa
    Colorado potato beetles
  9984. Leptodactylidae
    New World frogs
  9985. Leptodactylus
    type genus of the Leptodactylidae
  9986. Leptoglossus
    leaf-footed bugs
  9987. Leptopteris
    including some ferns sometimes placed in genus Todea
  9988. Leptoptilus
    adjutant birds and marabous
  9989. Leptotyphlopidae
    blind snakes
  9990. Leptotyphlops
    blind snakes of Asia and Africa and Americas
  9991. Lepus
    a constellation in the southern hemisphere near Orion and Columba
  9992. Lesquerella
    genus of low-growing hairy herbs: bladderpods
  9993. LET
    a brutal terrorist group active in Kashmir
  9994. lethal gene
    any gene that has an effect that causes the death of the organism at any stage of life
  9995. Leucadendron
    large genus of evergreen trees and shrubs having silvery white leaves and solitary terminal flowers with conspicuous silvery bracts
  9996. Leucaena
    small genus of tropical evergreen trees or shrubs having pods like those of the acacia
  9997. Leucanthemum
    comprises plants often included in the genus Chrysanthemum
  9998. Leuciscus
    a genus of fish including: dace, chub
  9999. Leucogenes
    New Zealand edelweiss
  10000. levee
    an embankment built to prevent a river from overflowing
  10001. Levisticum
    genus of aromatic European herbs with yellow flowers
  10002. Lewis and Clark Expedition
    an expedition sent by Thomas Jefferson to explore the northwestern territories of the United States; led by Meriwether Lewis and William Clark; traveled from St. Louis to the mouth of the Columbia River from 1803 to 1806
  10003. Lewisia
    genus of western North American low-growing herbs having linear woolly leaves and large pink flowers
  10004. ley
    a field covered with grass or herbage and suitable for grazing by livestock
  10005. Leycesteria
    small species of shrubs of western Himalayas to China
  10006. Leymus
    genus that in some classifications overlaps the genus Elymus
  10007. Liao
    the dynasty that ruled much of Manchuria and northeastern China from 947 to 1125
  10008. Liao dynasty
    the dynasty that ruled much of Manchuria and northeastern China from 947 to 1125
  10009. Liatris
    genus of perennial North American herbs with aromatic usually cormous roots
  10010. Liberal Party
    a political party in Australia, Canada, and other nations, and formerly in Great Britain
  10011. Liberation Tigers of Tamil Eelam
    a terrorist organization in Sri Lanka that began in 1970 as a student protest over the limited university access for Tamil students; currently seeks to establish an independent Tamil state called Eelam; relies on guerilla strategy including terrorist tactics that target key government and military personnel
  10012. Liberty Party
    a former political party in the United States
  10013. Libocedrus
    cypresses that resemble cedars
  10014. library
    a place containing books and other materials for reading
  10015. Libyan Desert
    the northeastern part of the Sahara Desert in Libya and Egypt and Sudan
  10016. Libyan Fighting Group
    a Libyan terrorist group organized in 1995 and aligned with al-Qaeda; seeks to radicalize the Libyan government; attempted to assassinate Qaddafi
  10017. Libyan Islamic Fighting Group
    a Libyan terrorist group organized in 1995 and aligned with al-Qaeda; seeks to radicalize the Libyan government; attempted to assassinate Qaddafi
  10018. Libyan Islamic Group
    a Libyan terrorist group organized in 1995 and aligned with al-Qaeda; seeks to radicalize the Libyan government; attempted to assassinate Qaddafi
  10019. Lichanura
    boas of western North America
  10020. Lichenales
    category used especially in former classifications for organisms now constituting the division Lichenes
  10021. Lichenes
    comprising the lichens which grow symbiotically with algae
  10022. light company
    a public utility that provides electricity
  10023. lighting industry
    an industry devoted to manufacturing and selling and installing lighting
  10024. Ligularia
    genus of Old World herbs resembling groundsel: leopard plants
  10025. Ligustrum
    genus of Old World shrubs: privet
  10026. Liliaceae
    includes species sometimes divided among the following families: Alliaceae; Aloeaceae; Alstroemeriaceae; Aphyllanthaceae; Asparagaceae; Asphodelaceae; Colchicaceae; Convallariaceae; Hemerocallidaceae; Hostaceae; Hyacinthaceae; Melanthiaceae; Ruscaceae; Smilacaceae; Tecophilaeacea; Xanthorrhoeaceae
  10027. Liliales
    an order of monocotyledonous plants including Amaryllidaceae and Liliaceae and Iridaceae
  10028. liliid monocot family
    family of monocotyledonous plants of the subclass Liliidae
  10029. liliid monocot genus
    genus of monocotyledonous plants comprising mostly herbs having usually petaloid sepals and petals and compound pistils
  10030. Liliidae
    one of four subclasses or superorders of Monocotyledones
  10031. liliopsid family
    family of flowering plants having a single cotyledon (embryonic leaf) in the seed
  10032. liliopsid genus
    genus of flowering plants having a single cotyledon (embryonic leaf) in the seed
  10033. Liliopsida
    comprising seed plants that produce an embryo with a single cotyledon and parallel-veined leaves: includes grasses and lilies and palms and orchids; divided into four subclasses or superorders: Alismatidae; Arecidae; Commelinidae; and Liliidae
  10034. Lilium
    type genus of Liliaceae
  10035. lily family
    includes species sometimes divided among the following families: Alliaceae; Aloeaceae; Alstroemeriaceae; Aphyllanthaceae; Asparagaceae; Asphodelaceae; Colchicaceae; Convallariaceae; Hemerocallidaceae; Hostaceae; Hyacinthaceae; Melanthiaceae; Ruscaceae; Smilacaceae; Tecophilaeacea; Xanthorrhoeaceae
  10036. Limacidae
    slugs
  10037. Limanda
    a genus of Pleuronectidae
  10038. Limax
    a genus of Limacidae
  10039. Limenitis
    mainly dark northern butterflies with white wing bars
  10040. Limicolae
    term used in some classifications for migratory shorebirds
  10041. limited company
    a company that is organized to give its owners limited liability
  10042. Limnobium
    American frogbit
  10043. Limnocryptes
    snipe
  10044. Limnodromus
    dowitchers
  10045. Limonium
    sea lavender
  10046. Limosa
    godwits
  10047. Limulidae
    horseshoe crabs
  10048. Limulus
    type genus of the family Limulidae
  10049. Linaceae
    a widely distributed family of plants
  10050. Linanthus
    a genus of herbs of the family Polemoniaceae
  10051. Linaria
    genus of herbs and subshrubs having showy flowers: spurred snapdragon
  10052. linden family
    chiefly trees and shrubs of tropical and temperate regions of especially southeastern Asia and Brazil; genera Tilia, Corchorus, Entelea, Grewia, Sparmannia
  10053. Lindera
    aromatic evergreen or deciduous dioecious shrubs or trees of eastern Asia and North America
  10054. Lindheimera
    one species: Texas star
  10055. line
    a length between two points
  10056. line of defence
    any organization whose responsibility it is to defend against something
  10057. line of defense
    any organization whose responsibility it is to defend against something
  10058. line of descent
    the kinship relation between an individual and the individual's progenitors
  10059. line of march
    the arrangement of people in a line for marching
  10060. line of succession
    the order in which individuals are expected to succeed one another in some official position
  10061. line organisation
    the organizational structure of activities contributing directly to the organization's output
  10062. line organization
    the organizational structure of activities contributing directly to the organization's output
  10063. line personnel
    personnel having direct job performance responsibilities
  10064. line spectrum
    a spectrum in which energy is concentrated at particular wavelengths; produced by excited atoms and ions as they fall back to a lower energy level
  10065. lineage
    the kinship relation between an individual and progenitors
  10066. linemen
    the football players who line up on the line of scrimmage
  10067. lineup
    a line of persons arranged by police for inspection or identification
  10068. linguistic string
    a linear sequence of words as spoken or written
  10069. linguistics department
    the academic department responsible for teaching and research in linguistics
  10070. linkage group
    any pair of genes that tend to be transmitted together
  10071. linked genes
    any pair of genes that tend to be transmitted together
  10072. Linnaea
    one species: twinflower
  10073. Linum
    a herbaceous plant genus of the family Linaceae with small sessile leaves
  10074. Liomys
    pocket mice
  10075. Lions Club
    club dedicated to promoting responsible citizenship and good government and community and national and international welfare
  10076. Liopelma
    type and sole genus of the family Leiopelmatidae
  10077. Liopelmidae
    primitive New Zealand frogs
  10078. Liparidae
    snailfishes
  10079. Liparididae
    snailfishes
  10080. Liparis
    type genus of the Liparididae: snailfishes
  10081. Liposcelis
    a genus of Psocidae
  10082. Lipotyphla
    moles; hedgehogs; true shrews
  10083. Liquidambar
    sweet gum
  10084. Liriodendron
    tulip trees
  10085. Liriope
    sometimes placed in family Convallariaceae: lilyturf
  10086. Listera
    genus of terrestrial orchids having usually a single pair of broad shining leaves near the middle of the stem; found in temperate Asia and North America and Europe
  10087. literati
    well-educated people who are interested in books
  10088. Lithocarpus
    tanbark oaks
  10089. Lithodidae
    deep-sea crabs of cold waters
  10090. Lithophragma
    small genus of perennial herbs of the western North America
  10091. Lithospermum
    annual or perennial herbaceous or shrubby plants
  10092. Litocranius
    antelopes of eastern Africa: gerenuks
  10093. litter
    rubbish carelessly dropped or left about
  10094. little league
    a commercially sponsored baseball league for players between 8 and 12 years of age
  10095. little-league team
    a team that plays in a little league
  10096. Littorina
    type genus of the family Littorinidae: periwinkles
  10097. Littorinidae
    periwinkles
  10098. livery company
    one of the chartered companies of London originating with the craft guilds
  10099. living
    pertaining to living persons
  10100. livingroom set
    a suite of furniture for the living room
  10101. livingroom suite
    a suite of furniture for the living room
  10102. Livistona
    fan palms of Asia and Australia and Malaysia
  10103. lizard's-tail family
    family of perennial aromatic herbs: genera Saururus, Anemopsis, Houttuynia
  10104. loan collection
    a number of pictures loaned by their owners for exhibition
  10105. loasa family
    family of bristly hairy sometimes climbing plants
  10106. Loasaceae
    family of bristly hairy sometimes climbing plants
  10107. Lobata
    ctenophore having tentacles only in the immature stage
  10108. lobby
    a large entrance or reception room or area
  10109. lobelia family
    not recognized in all classification systems
  10110. Lobeliaceae
    not recognized in all classification systems
  10111. Lobipes
    a genus of Phalaropidae
  10112. Lobotes
    type genus of the Lobotidae
  10113. Lobotidae
    tripletails
  10114. Lobularia
    sweet alyssum
  10115. local authority
    an administrative unit of local government
  10116. local department
    a permanent department created to perform the work of a local government
  10117. local government
    the government of a local area
  10118. local post office
    a local branch where postal services are available"
  10119. locative
    the semantic role of the noun phrase that designates the place of the state or action denoted by the verb
  10120. locative role
    the semantic role of the noun phrase that designates the place of the state or action denoted by the verb
  10121. Locusta
    a genus of Acrididae
  10122. Locustidae
    short-horned grasshoppers; true locusts
  10123. lodge
    a rustic house used as a temporary shelter
  10124. Lofortyx
    California quail
  10125. Logania
    type genus of the Loganiaceae
  10126. Loganiaceae
    a dicotyledonous family of plants of order Gentianales
  10127. logjam
    an immovable mass of cut wood blocking a river
  10128. Loiseleuria
    one species: alpine azalea
  10129. Lolium
    darnel; ryegrass
  10130. Lomariopsidaceae
    small family of usually scandent ferns
  10131. Lomogramma
    large scandent ferns of southeastern Asia
  10132. Lonas
    one species: yellow ageratum
  10133. Lonchocarpus
    genus of chiefly tropical American shrubs and trees having pinnate leaves and red or white flowers
  10134. long suit
    in a hand, the suit having the most cards
  10135. Lonicera
    woodbine
  10136. loop
    anything with a round or oval shape
  10137. loose sentence
    a complex sentence in which the main clause comes first and the subordinate clause follows
  10138. loosestrife family
    herbs and shrubs and small trees with pink or purple flowers
  10139. Lophiidae
    large-headed marine fishes comprising the anglers
  10140. Lophius
    type genus of family Lophiidae
  10141. Lophodytes
    a genus of Merginae
  10142. Lopholatilus
    large brightly colored food fish of deep Atlantic waters
  10143. Lophophora
    two species of small cacti of northeastern Mexico and southwestern United States having rounded stems covered with jointed tubercles: mescal
  10144. Lophophorus
    monals
  10145. Lophosoria
    one species: tree fern of Central and South America
  10146. Lophosoriaceae
    very small family of tree ferns
  10147. Loranthaceae
    in some classification includes Viscaceae: parasitic or hemiparasitic shrublets or shrubs or small trees of tropical and temperate regions; attach to hosts by haustoria
  10148. Loranthus
    type genus of the Loranthaceae: 1 species
  10149. Lord's Resistance Army
    a quasi-religious rebel group in Uganda that terrorized and raped women and kidnapped children who were forced to serve in the army
  10150. Lords Spiritual
    the clergy in France and the heads of the church in Britain
  10151. Lords Temporal
    the nobility in France and the peerage in Britain
  10152. Loricata
    former name for the order Crocodylia
  10153. Loriinae
    lories
  10154. Lorisidae
    slow-moving omnivorous nocturnal primates of tropical Asia
  10155. losing streak
    a streak of losses
  10156. lost
    confused as to time or place or personal identity
  10157. Lost Tribes
    the ten Tribes of Israel that were deported into captivity in Assyria around 720 BC (leaving only the tribes of Judah and Benjamin)
  10158. lot
    anything (straws or pebbles etc.) taken or chosen at random
  10159. Lota
    burbot
  10160. Lotus
    annual or perennial herbs or subshrubs
  10161. love feast
    a religious meal shared as a sign of love and fellowship
  10162. Lovoa
    genus of African timber trees
  10163. lower class
    the social class lowest in the social hierarchy
  10164. lower court
    any court whose decisions can be appealed to a higher court
  10165. Loxia
    crossbill
  10166. Loxodonta
    a genus of Elephantidae
  10167. Loxoma
    one species of terrestrial ferns of New Zealand
  10168. Loxomataceae
    very small family of New Zealand ferns
  10169. Loxostege
    garden webworms
  10170. Loya Jirga
    a grand council or grand assembly used to resolve political conflicts or other national problems
  10171. Loyalist Volunteer Force
    a terrorist group formed in 1996 in Northern Ireland
  10172. Ltd.
    a company that is organized to give its owners limited liability
  10173. LTTE
    a terrorist organization in Sri Lanka that began in 1970 as a student protest over the limited university access for Tamil students; currently seeks to establish an independent Tamil state called Eelam; relies on guerilla strategy including terrorist tactics that target key government and military personnel
  10174. Lubavitch
    a town in Belarus that was the center of the Chabad movement for a brief period during the 19th century
  10175. Lubavitch movement
    a large missionary Hasidic movement known for their hospitality, technological expertise, optimism and emphasis on religious study
  10176. Lucanidae
    stag beetles
  10177. Lucilia
    greenbottle flies
  10178. Lufengpithecus
    a genus of Hominidae
  10179. Luftwaffe
    the German airforce
  10180. luminism
    an artistic movement in the United States that was derived from the Hudson River school; active from 1850 to 1870; painted realistic landscapes in a style that pictured atmospheric light and the use of aerial perspective
  10181. lump
    a compact mass
  10182. lumpenproletariat
    (Marxism) the unorganized lower levels of the proletariat who are not interested in revolutionary advancement
  10183. Lumpenus
    a genus of Stichaeidae
  10184. Lunaria
    small genus of European herbs: honesty
  10185. lunatic fringe
    a political unit with extreme and fanatical views
  10186. lunch meeting
    a meeting for lunch
  10187. luncheon meeting
    a meeting for lunch
  10188. Lunda
    puffins
  10189. Lupinus
    herbs or shrubs: lupin
  10190. Luscinia
    nightingales
  10191. Lut Desert
    a desert in eastern Iran
  10192. Lutheran Church
    the Protestant denomination adhering to the views of Martin Luther
  10193. Lutjanidae
    snappers
  10194. Lutjanus
    type genus of the Lutjanidae: snappers
  10195. Lutra
    in some classifications considered a genus of the subfamily Lutrinae
  10196. Lutrinae
    subdivision not used in some classifications: otters
  10197. Luvaridae
    louvars
  10198. Luvarus
    type genus of the Luvaridae
  10199. Lycaena
    type genus of the Lycaenidae
  10200. Lycaenidae
    family of small usually brilliantly colored butterflies
  10201. Lycaeon
    African hunting dog
  10202. lyceum
    a public hall for lectures and concerts
  10203. Lycium
    deciduous and evergreen shrubs often spiny
  10204. Lycoperdaceae
    a fungus family belonging to the order Lycoperdales
  10205. Lycoperdales
    small order of basidiomycetous fungi having fleshy often globose fruiting bodies; includes puffballs and earthstars
  10206. Lycoperdon
    genus of fungi whose fruiting body tapers toward a base consisting of spongy mycelium
  10207. Lycopersicon
    tomatoes
  10208. Lycopersicum
    tomatoes
  10209. Lycophyta
    used in some classifications for the class Lycopsida: club mosses
  10210. Lycopodiaceae
    a family of ferns belonging to the order Lycopodiales
  10211. Lycopodiales
    lower vascular plants coextensive with the family Lycopodiaceae; in some classifications includes the Selaginellaceae and Isoetaceae
  10212. Lycopodiate
    club mosses and related forms: includes Lycopodiales
  10213. Lycopodineae
    alternative designation for the class Lycopsida
  10214. Lycopodium
    type and sole genus of the Lycopodiaceae
  10215. Lycopsida
    club mosses and related forms: includes Lycopodiales
  10216. Lycopus
    small genus of herbs of the mint family
  10217. Lycosa
    type genus of the family Lycosidae
  10218. Lycosidae
    wolf spiders
  10219. Lygaeidae
    lygaeid bugs
  10220. Lyginopteridales
    fossil gymnospermous trees or climbing plants from the Devonian: seed ferns
  10221. Lyginopteris
    genus of fossil seed ferns of the Carboniferous
  10222. Lygodium
    chiefly tropical climbing ferns
  10223. Lygus
    plant-sucking bugs
  10224. Lymantria
    type genus of the Lymantriidae; a pest
  10225. Lymantriidae
    tussock moths
  10226. lynch mob
    a mob that kills a person for some presumed offense without legal authority
  10227. Lyonia
    evergreen or deciduous shrubs or small trees of United States to Antilles and eastern Asia to the Himalaya
  10228. Lyons
    a city in east-central France on the Rhone River
  10229. Lyrurus
    black grouse
  10230. Lysichiton
    skunk cabbage
  10231. Lysichitum
    skunk cabbage
  10232. Lysiloma
    small genus of tropical American trees and shrubs with pinnate leaves and flat straight pods
  10233. Lysimachia
    loosestrife: a cosmopolitan genus found in damp or swampy terrain having usually yellow flowers; inclined to be invasive
  10234. Lythraceae
    herbs and shrubs and small trees with pink or purple flowers
  10235. Lythrum
    loosestrife
  10236. Macaca
    macaques; rhesus monkeys
  10237. Machaeranthera
    wildflowers of western North America
  10238. Machilidae
    jumping bristletails
  10239. machine
    a mechanical or electrical device that transmits energy
  10240. machinery
    mechanical or electrical devices collectively
  10241. Macleaya
    a perennial herb of eastern Asia: plume poppy
  10242. Maclura
    yellowwood trees or shrubs
  10243. Macowanites
    a stout-stemmed genus of fungus belonging to the family Secotiaceae having fruiting bodies that never expand completely
  10244. Macrocephalon
    maleos
  10245. Macrocheira
    giant crabs of Japan
  10246. Macroclemys
    includes the alligator snapping turtle
  10247. Macrodactylus
    a genus of Melolonthidae
  10248. Macronectes
    giant petrels
  10249. Macropodidae
    kangaroos; wallabies
  10250. Macropus
    type genus of the family Macropodidae: typical kangaroos and wallabies
  10251. Macrorhamphosidae
    bellows fishes
  10252. Macrothelypteris
    medium to large terrestrial ferns of tropical Asia to Polynesia and Australia; naturalized in Americas
  10253. Macrotis
    a genus of Peramelidae
  10254. Macrotyloma
    annual or perennial vines of Africa and India and Australia
  10255. Macrouridae
    grenadiers
  10256. Macrozoarces
    a genus of Zoarcidae
  10257. Macruridae
    grenadiers
  10258. macumba
    a Brazilian religious cult of African origin
  10259. madder family
    widely distributed family of mostly tropical trees and shrubs and herbs; includes coffee and chinchona and gardenia and madder and bedstraws and partridgeberry
  10260. Madia
    genus of sticky herbs with yellow flowers open in morning or evening but closed in bright light
  10261. Madoqua
    genus comprising some small antelopes of eastern and northeastern Africa
  10262. madrasa
    a Muslim college or school
  10263. madrasah
    Muslim schools in Bangladesh and Pakistan
  10264. Madreporaria
    stony corals
  10265. Maeandra
    brain corals
  10266. Maffia
    a crime syndicate in the United States
  10267. Mafia
    a crime syndicate in the United States
  10268. magazine
    a periodic publication containing articles and pictures
  10269. magazine publisher
    a business firm that publishes magazines
  10270. Magellanic Cloud
    either of two small galaxies orbiting the Milky Way
  10271. Magi
    (New Testament) the sages who visited Jesus and Mary and Joseph shortly after Jesus was born; the Gospel According to Matthew says they were guided by a star and brought gifts of gold and frankincense and myrrh; because there were three gifts it is usually assumed that there were three of them
  10272. magic square
    a square matrix of n rows and columns
  10273. Magicicada
    seventeen-year locust
  10274. magnolia family
    subclass Magnoliidae: genera Liriodendron, Magnolia, and Manglietia
  10275. Magnoliaceae
    subclass Magnoliidae: genera Liriodendron, Magnolia, and Manglietia
  10276. magnoliid dicot family
    family of dicotyledonous flowering plants regarded as among the most primitive of extant angiosperms
  10277. magnoliid dicot genus
    genus of dicotyledonous flowering plants regarded as among the most primitive of extant angiosperms
  10278. Magnoliidae
    a group of families of trees and shrubs and herbs having well-developed perianths and apocarpous ovaries and generally regarded as the most primitive extant flowering plants; contains 36 families including Magnoliaceae and Ranunculaceae; sometimes classified as a superorder
  10279. Magnoliophyta
    comprising flowering plants that produce seeds enclosed in an ovary; in some systems considered a class (Angiospermae) and in others a division (Magnoliophyta or Anthophyta)
  10280. magnoliopsid family
    family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
  10281. magnoliopsid genus
    genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
  10282. Magnoliopsida
    comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae
  10283. Mahayana
    one of two great schools of Buddhist doctrine emphasizing a common search for universal salvation especially through faith alone; the dominant religion of China and Tibet and Japan
  10284. mahogany family
    tropical trees and shrubs including many important timber and ornamental trees
  10285. Mahonia
    evergreen shrubs and small trees of North and Central America and Asia
  10286. Maia
    type genus of the Majidae
  10287. Maianthemum
    sometimes placed in family Convallariaceae: false lily of the valley
  10288. mail
    the bags of letters and packages that are transported by the postal service
  10289. mailing
    mail sent by a sender at one time
  10290. maimed
    having a part of the body crippled or disabled
  10291. main clause
    a section in a complex sentence that can stand alone
  10292. main diagonal
    the diagonal of a square matrix running from the upper left entry to the lower right entry
  10293. maintenance staff
    those in a business responsible for maintaining the physical plant
  10294. Maja
    type genus of the Majidae
  10295. Majidae
    spider crabs
  10296. major form class
    any of the major parts of speech of traditional grammar
  10297. major league
    the most important league in any sport (especially baseball)
  10298. major power
    a state powerful enough to influence events throughout the world
  10299. major term
    the term in a syllogism that is the predicate of the conclusion
  10300. major-league club
    a team that plays in a major league
  10301. major-league team
    a team that plays in a major league
  10302. Majorana
    small genus of herbs usually included in the genus Origanum
  10303. majors
    the most important league in any sport (especially baseball)
  10304. MAK
    a terrorist organization founded by Osama bin Laden in the 1980s to provide money and recruit fighters around the world; enlisted and transported thousands of men to Afghanistan to fight the Russians; a split in the group led bin Laden and the extremist faction of MAK to form al-Qaeda
  10305. Makaira
    marlins
  10306. maker
    a person who makes things
  10307. Maktab al-Khidmat
    a terrorist organization founded by Osama bin Laden in the 1980s to provide money and recruit fighters around the world; enlisted and transported thousands of men to Afghanistan to fight the Russians; a split in the group led bin Laden and the extremist faction of MAK to form al-Qaeda
  10308. Malacanthidae
    short-headed marine fishes; often brightly colored
  10309. Malaclemys
    American terrapins
  10310. Malaconotinae
    an African bush shrikes
  10311. Malacopterygii
    an extensive group of teleost fishes having fins supported by flexible cartilaginous rays
  10312. Malacosoma
    tent caterpillars
  10313. Malacostraca
    largest subclass of Crustacea including most of the well-known marine, freshwater, and terrestrial crustaceans: crabs; lobsters; shrimps; sow bugs; beach flies
  10314. Malacothamnus
    genus of shrubs or small trees: chaparral mallow
  10315. Malaxis
    large genus of largely terrestrial orchids with one or a few plicate leaves and slender spikes or tiny mostly green flowers; cosmopolitan
  10316. Malaysia Militant Group
    a clandestine group of southeast Asian terrorists organized in 1993 and trained by al-Qaeda; supports militant Muslims in Indonesia and the Philippines and has cells in Singapore and Malaysia and Indonesia
  10317. Malaysian Mujahidin Group
    a clandestine group of southeast Asian terrorists organized in 1993 and trained by al-Qaeda; supports militant Muslims in Indonesia and the Philippines and has cells in Singapore and Malaysia and Indonesia
  10318. Malcolmia
    genus of plants usually found in coastal habitats
  10319. Mallophaga
    biting lice
  10320. Mallotus
    capelins
  10321. mallow family
    herbs and shrubs and some trees: mallows; cotton; okra
  10322. Malopterurus
    electric catfish
  10323. Malosma
    one species; often included in the genus Rhus
  10324. Malpighia
    type genus of the Malpighiaceae
  10325. Malpighiaceae
    tropical shrubs or trees
  10326. Malus
    apple trees
  10327. Malva
    herbs and subshrubs: mallows
  10328. Malvaceae
    herbs and shrubs and some trees: mallows; cotton; okra
  10329. Malvales
    Malvaceae
  10330. Malvastrum
    genus of mallows characterized by red and yellow flowers often placed in other genera
  10331. Malvaviscus
    small genus of shrubs of Central and South America: wax mallows
  10332. mammal family
    a family of mammals
  10333. mammal genus
    a genus of mammals
  10334. mammal Semnopithecus
    langurs
  10335. Mammalia
    warm-blooded vertebrates characterized by mammary glands in the female
  10336. Mammea
    American and Asiatic trees having edible one-seeded fruit
  10337. Mammut
    extinct type genus of the Mammutidae: mastodons
  10338. Mammuthus
    extinct genus: mammoths
  10339. Mammutidae
    extinct family: mastodons
  10340. man
    an adult person who is male (as opposed to a woman)
  10341. man and wife
    two people who are married to each other
  10342. managed economy
    a non-market economy in which government intervention is important in allocating goods and resources and determining prices
  10343. management
    the act of controlling something
  10344. management consulting
    a service industry that provides advice to those in charge of running a business
  10345. management personnel
    personnel having overall planning and direction responsibilities
  10346. Manchu
    a member of the Manchu speaking people of Mongolian race of Manchuria; related to the Tungus; conquered China in the 17th century
  10347. Manchu dynasty
    the last imperial dynasty of China (from 1644 to 1912) which was overthrown by revolutionaries; during the Qing dynasty China was ruled by the Manchu
  10348. Mandevilla
    genus of tropical South American tuberous perennial woody vines with large racemose flowers and milky sap
  10349. Mandragora
    a genus of stemless herbs of the family Solanaceae
  10350. Mandrillus
    baboons
  10351. Manduca
    moths whose larvae are tobacco hornworms or tomato hornworms
  10352. Mangifera
    tropical tree native to Asia bearing fleshy fruit
  10353. mangrove family
    trees and shrubs that usually form dense jungles along tropical seacoasts
  10354. Manhattan Project
    code name for the secret United States project set up in 1942 to develop atomic bombs for use in World War II
  10355. manicure set
    a set of implements used to manicure
  10356. Manidae
    coextensive with the order Pholidota
  10357. Manihot
    genus of economically important tropical plants: cassava
  10358. Manilkara
    genus of large evergreen trees with milky latex; pantropical
  10359. Maniraptora
    advanced theropods including oviraptorids and dromaeosaurs and possibly even modern birds
  10360. Manis
    type genus of the Manidae
  10361. mankind
    all of the living human inhabitants of the earth
  10362. manpower
    the force of workers available
  10363. Manteidae
    mantises
  10364. Manteodea
    mantises
  10365. Mantidae
    mantises
  10366. Mantispidae
    mantispids
  10367. Mantophasmatodea
    an order of insect identified in 2002 in a 45 million year old piece of amber from the Baltic region
  10368. Manuel Rodriquez Patriotic Front
    a terrorist group formed in 1983 as the armed wing of the Chilean Communist Party
  10369. manufacturer
    someone who constructs or produces something
  10370. manufacturing business
    a business engaged in manufacturing some product
  10371. Maori
    an ethnic minority of Polynesian and Melanesian descent who speak Maori and live in New Zealand
  10372. maple family
    a family of trees and shrubs of order Sapindales including the maples
  10373. Maquis
    a guerrilla fighter in the French underground in World War II
  10374. Marantaceae
    tropical perennial herbs with usually starchy rhizomes
  10375. Marasmius
    chiefly small mushrooms with white spores
  10376. Marattia
    type genus of the Marattiaceae: ferns having the sporangia fused together in two rows
  10377. Marattiaceae
    constituting the order Marattiales: chiefly tropical eusporangiate ferns with gigantic fronds
  10378. Marattiales
    lower ferns coextensive with the family Marattiaceae
  10379. march
    walk fast, with regular or measured steps
  10380. Marchantia
    type genus of Marchantiaceae
  10381. Marchantiaceae
    liverworts with prostrate and usually dichotomously branched thalli
  10382. Marchantiales
    liverworts with gametophyte differentiated internally
  10383. marching band
    a band that marches and plays music at the same time
  10384. Marginocephalia
    includes boneheaded and horned dinosaurs
  10385. marginocephalian
    includes boneheaded and horned dinosaurs
  10386. mariachi
    a group of traditional Mexican folk musicians
  10387. Marine Corps
    an amphibious division of the United States Navy
  10388. Marine Corps Intelligence Activity
    an agency of the United States Marine Corps that provides responsive and broad intelligence support for the worldwide Marine Corps organization
  10389. marine law
    the branch of international law that deals with territorial and international waters or with shipping or with ocean fishery etc.
  10390. Marines
    members of a body of troops trained to serve on land or at sea
  10391. maritime law
    the branch of international law that deals with territorial and international waters or with shipping or with ocean fishery etc.
  10392. Markaz-ud-Dawa-wal-Irshad
    a Sunni organization formed in 1989 and based in Pakistan
  10393. market
    a store where groceries are sold
  10394. market economy
    an economy that relies on market forces to determine prices
  10395. Marmota
    marmots
  10396. marriage
    the state of being a couple voluntarily joined for life
  10397. marriage brokerage
    a business that arranges marriage contracts
  10398. marriage mart
    a business that arranges marriage contracts
  10399. married couple
    two people who are married to each other
  10400. Marrubium
    Old World aromatic herbs: horehound
  10401. Marshals
    the United States' oldest federal law enforcement agency is responsible today for protecting the Federal Judiciary and transporting federal prisoners and protecting federal witnesses and managing assets seized from criminals and generally ensuring the effective operation of the federal judicial system
  10402. Marsilea
    clover ferns
  10403. Marsileaceae
    clover ferns
  10404. Marsupialia
    coextensive with the subclass Metatheria
  10405. Martes
    martens
  10406. martial law
    military rule over civilian affairs
  10407. Martyniaceae
    in most classifications not considered a separate family but included in the Pedaliaceae
  10408. Martyrs of al-Aqsa
    a militant offshoot of al-Fatah that is the newest and strongest and best equipped faction active in the West Bank; responsible for many deadly attacks in Israel in 2002
  10409. Marx Brothers
    a family of United States comedians consisting of four brothers with an anarchic sense of humor
  10410. masculine
    associated with men and not with women
  10411. mask
    a covering to disguise or conceal the face
  10412. masked ball
    a ball at which guests wear costumes and masks
  10413. Masonry
    Freemasons collectively
  10414. masque
    a party of guests wearing costumes and masks
  10415. masquerade
    a party of guests wearing costumes and disguises
  10416. masquerade ball
    a ball at which guests wear costumes and masks
  10417. masquerade party
    a party of guests wearing costumes and masks
  10418. mass
    the property of a body that causes it to have weight
  10419. mass meeting
    a large gathering of people intended to arouse enthusiasm
  10420. mass spectrum
    a distribution of ions as shown by a mass spectrograph or a mass spectrometer
  10421. masses
    the common people generally
  10422. master class
    a class given to talented students by an expert
  10423. master race
    a race that considers itself superior to all others and fitted to rule the others
  10424. Masticophis
    whip snakes
  10425. Mastigomycota
    fungi in which the spores and gametes are motile
  10426. Mastigomycotina
    fungi in which the spores and gametes are motile
  10427. Mastigophora
    protozoa having flagella
  10428. Mastigoproctus
    giant whip scorpions
  10429. Mastotermes
    primitive genus of termites
  10430. Mastotermitidae
    primitive termites
  10431. match
    a formal contest in which people or teams compete
  10432. mates
    a pair of people who live together
  10433. mathematics department
    the academic department responsible for teaching and research in mathematics
  10434. matriarchate
    a form of social organization in which a female is the family head and title is traced through the female line
  10435. matriarchy
    social organization in which a female is the family head
  10436. Matricaria
    chiefly Old World strong-smelling weedy herbs
  10437. matrix
    an enclosure within which something originates or develops
  10438. Matteuccia
    small genus sometimes included in genus Onoclea
  10439. Matthiola
    genus of Old World plants grown as ornamentals
  10440. Maxostoma
    a genus of fish in the family Catostomidae
  10441. Mayaca
    small genus of delicate mossy bog plants having white or violet flowers
  10442. Mayacaceae
    a monocotyledonous family of bog plants of order Xyridales
  10443. Mayas
    an ethnic minority speaking Mayan languages and living in Yucatan and adjacent areas
  10444. Mayetiola
    a genus of Cecidomyidae
  10445. Mazama
    brockets
  10446. Mbundu
    an ethnic group speaking Umbundu and living in western Angola
  10447. MCIA
    an agency of the United States Marine Corps that provides responsive and broad intelligence support for the worldwide Marine Corps organization
  10448. MDI
    a Sunni organization formed in 1989 and based in Pakistan
  10449. meadow
    a field where grass or alfalfa is grown to be made into hay
  10450. meadow-beauty family
    a family of trees and bushes and herbs of order Myrtales
  10451. mechanized cavalry
    an armored unit of a modern army equipped with motor vehicles
  10452. Meconopsis
    herbs almost entirely of mountains of China and Tibet
  10453. Mecoptera
    an order of carnivorous insects usually having long membranous wings and long beaklike heads with chewing mouths at the tip
  10454. Medellin cartel
    a drug cartel in Colombia
  10455. Medicago
    a genus of herbs that resemble clover
  10456. medical community
    the body of individuals who are qualified to practice medicine
  10457. medical institution
    an institution created for the practice of medicine
  10458. medical profession
    the body of individuals who are qualified to practice medicine
  10459. medical school
    a graduate school offering study leading to a medical degree
  10460. Medici
    aristocratic Italian family of powerful merchants and bankers who ruled Florence in the 15th century
  10461. Medinilla
    tropical Old World ornamental evergreen shrubs having fleshy leaves and large panicles of white pink flowers
  10462. meeting
    the social act of assembling for some common purpose
  10463. Megachile
    type genus of the Megachilidae: leaf-cutting bees
  10464. Megachilidae
    leaf-cutting and mason bees
  10465. Megachiroptera
    fruit bats
  10466. Megaderma
    type genus of the Megadermatidae
  10467. Megadermatidae
    Old World false vampire bats
  10468. Megalobatrachus
    giant salamanders
  10469. Megalonychidae
    mammal family consisting of the two-toed sloths
  10470. Megaloptera
    in some classifications considered a separate order: alderflies; dobsonflies; snake flies
  10471. Megalosauridae
    megalosaurs
  10472. Megapodiidae
    megapodes
  10473. Megapodius
    type genus of the Megapodiidae
  10474. Megaptera
    humpback whales
  10475. Megatheriidae
    extinct ground sloths
  10476. Megatherium
    type genus of the Megatheriidae
  10477. MEK
    a terrorist organization formed in the 1960s by children of Iranian merchants; sought to counter the Shah of Iran's pro-western policies of modernization and opposition to communism; following a philosophy that mixes Marxism and Islam it now attacks the Islamic fundamentalists who deposed the Shah
  10478. Melampodium
    herbs and subshrubs of warm North America
  10479. Melampsora
    rusts having sessile one-celled teliospores in a single layer
  10480. Melampsoraceae
    rust fungi
  10481. Melanerpes
    a genus of Picidae
  10482. melange
    a varied mixture or assortment of things
  10483. Melanitta
    scoters
  10484. Melanogrammus
    haddock
  10485. Melanoplus
    New World migratory locusts and common American grasshoppers
  10486. Melanotis
    a genus of Mimidae
  10487. Melanthiaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted: includes Aletris; Narthecium; Veratrum
  10488. Melastoma
    type genus of Melastomataceae
  10489. Melastomaceae
    a family of trees and bushes and herbs of order Myrtales
  10490. Melastomataceae
    a family of trees and bushes and herbs of order Myrtales
  10491. Meleagrididae
    turkeys and some extinct forms
  10492. Meleagris
    type genus of the Meleagrididae: wild and domestic turkeys
  10493. Meles
    in some classifications: type genus of the subfamily Melinae
  10494. Melia
    type genus of the Meliaceae: East Indian and Australian deciduous trees with leaves resembling those of the ash
  10495. Meliaceae
    tropical trees and shrubs including many important timber and ornamental trees
  10496. Melicocca
    tropical American trees and shrubs bearing berries
  10497. Melicoccus
    tropical American trees and shrubs bearing berries
  10498. Melicytus
    a genus of deciduous shrubs or trees
  10499. Melinae
    subdivision not used in some classifications: badgers
  10500. Meliphagidae
    honey eaters
  10501. Melissa
    a genus of Old World mints of the family Labiatae
  10502. Mellivora
    ratels
  10503. Melocactus
    genus of strongly ribbed globose or spheroid cacti of tropical South and Central America and the Caribbean
  10504. Melogale
    a genus of Mustelidae
  10505. Meloidae
    blister beetles
  10506. Melolontha
    a genus of Melolonthidae
  10507. Melolonthidae
    considered a separate family in some classification systems
  10508. Melophagus
    an arthropod genus of wingless flies including the sheep ked
  10509. Melopsittacus
    a genus of Psittacidae
  10510. Melospiza
    American song sparrow and swamp sparrow
  10511. Melursus
    sloth bears
  10512. member
    anything that belongs to a set or class
  10513. member bank
    a bank that is a member of the Federal Reserve System
  10514. membership
    the state of being one of the persons in a social group
  10515. Membracidae
    plant hoppers: treehoppers
  10516. men
    the force of workers available
  10517. menagerie
    a collection of live animals for study or display
  10518. Menippe
    stone crabs
  10519. Meniscium
    terrestrial ferns of tropical Americas
  10520. Menispermaceae
    herbaceous or woody climbers
  10521. Menispermum
    climbing herbs
  10522. Mennonite Church
    formed from the Anabaptist movement in the 16th century
  10523. Menopon
    chicken lice
  10524. Menotyphla
    elephant shrews; tree shrews
  10525. mentally retarded
    people collectively who are mentally retarded
  10526. Mentha
    mint plants
  10527. Menticirrhus
    kingfishes; whiting
  10528. Mentzelia
    genus of bristly herbs or subshrubs of western America lacking stinging hairs
  10529. Menura
    type and sole genus of the family Menuridae
  10530. Menurae
    lyrebirds and scrubbirds
  10531. Menuridae
    lyrebirds
  10532. Menyanthaceae
    a dicotyledonous family of marsh plants of order Gentianales
  10533. Menyanthes
    the type genus of the Menyanthaceae; one species: bogbeans
  10534. Menziesia
    deciduous shrubs of North America and eastern Asia
  10535. Mephitinae
    subdivision not used in some classifications: skunks
  10536. Mephitis
    in some classifications: type genus of the subfamily Mephitinae
  10537. mercantile agency
    an organization that provides businesses with credit ratings of other firms
  10538. mercantile law
    the body of rules applied to commercial transactions
  10539. mercantile system
    an economic system (Europe in 18th century) to increase a nation's wealth by government regulation of all of the nation's commercial interests
  10540. mercantilism
    a system of increasing wealth through colonization and trade
  10541. Mercenaria
    a genus of Veneridae
  10542. merchant bank
    a credit card processing bank
  10543. merchant marine
    conveyance provided by the ships belonging to one country or industry
  10544. Mercurialis
    a genus of slender herbs belonging to the family Euphorbiaceae
  10545. Merginae
    mergansers and closely related diving birds
  10546. Mergus
    mergansers
  10547. Meriones
    a genus of Cricetidae
  10548. meritocracy
    a social system in which power goes to superior intellects
  10549. Merlangus
    whitings
  10550. Merluccius
    hakes
  10551. Meropidae
    bee-eaters
  10552. Merops
    type genus of the Meropidae
  10553. Merovingian
    of or relating to the Merovingian dynasty or its members
  10554. Merovingian dynasty
    a Frankish dynasty founded by Clovis I that reigned in Gaul and Germany from about 500 to 750
  10555. Mertensia
    a genus of herbs belonging to the family Boraginaceae that grow in temperate regions and have blue or purple flowers shaped like funnels
  10556. Meryta
    small to medium evergreen dioecious trees of oceanic climates: puka
  10557. Mesembryanthemum
    South African annual or biennial plants having flowers that open only in bright sunlight
  10558. Mesocricetus
    golden hamsters
  10559. Mespilus
    medlars
  10560. Mesua
    genus of tropical Asiatic trees having large solitary flowers
  10561. metadata
    data about data
  10562. Metatheria
    pouched animals
  10563. Metazoa
    multicellular animals having cells differentiated into tissues and organs and usually a digestive cavity and nervous system
  10564. Methodist Church
    a Protestant denomination founded on the principles of John Wesley and Charles Wesley
  10565. Methodist denomination
    group of Methodist congregations
  10566. Methodists
    a Protestant denomination founded on the principles of John Wesley and Charles Wesley
  10567. methyl
    the univalent radical CH3- derived from methane
  10568. methyl group
    the univalent radical CH3- derived from methane
  10569. methyl radical
    the univalent radical CH3- derived from methane
  10570. methylene
    the bivalent radical CH2 derived from methane
  10571. methylene group
    the bivalent radical CH2 derived from methane
  10572. methylene radical
    the bivalent radical CH2 derived from methane
  10573. metro
    an electric railway operating below the surface of the ground (usually in a city)
  10574. metropolis
    a large and densely populated urban area
  10575. Metroxylon
    a genus of Malayan pinnate-leaved palm trees that flower and fruit once and then die
  10576. Microcentrum
    katydids
  10577. Microchiroptera
    most of the bats in the world
  10578. Micrococcaceae
    spherical or elliptical usually aerobic eubacteria that produce yellow or orange or red pigment; includes toxin-producing forms as well as harmless commensals and saprophytes
  10579. Micrococcus
    type genus of the family Micrococcaceae
  10580. Microdesmidae
    worm fish
  10581. Microdipodops
    kangaroo mice
  10582. Microgramma
    epiphytic ferns of tropical America and Africa
  10583. Microhylidae
    narrow-mouthed toads and sheep frogs
  10584. Micromeria
    large genus of fragrant chiefly Old World herbs
  10585. Micromyx
    Old World harvest mice
  10586. Micropogonias
    croakers
  10587. Micropterus
    American freshwater black basses
  10588. Microsorium
    tropical usually epiphytic ferns
  10589. Microsporum
    a genus of fungus of the family Moniliaceae; causes ringworm
  10590. Microstomus
    a genus of Pleuronectidae
  10591. Microstrobos
    2 species of small evergreen shrubs of Australia and Tasmania
  10592. Microtus
    voles of the northern hemisphere
  10593. microwave spectrum
    the part of the electromagnetic spectrum corresponding to microwaves
  10594. Micruroides
    coral snakes
  10595. Micrurus
    coral snakes
  10596. midden
    a heap of dung or refuse
  10597. middle class
    a socioeconomic group that is neither wealthy nor poor
  10598. middle school
    a school for students intermediate between elementary school and college; usually grades 9 to 12
  10599. middle term
    the term in a syllogism that is common to both premises and excluded from the conclusion
  10600. mignonette family
    mainly Mediterranean herbs: mignonette
  10601. migration
    the movement of persons from one locality to another
  10602. Mikania
    large genus of evergreen lianas of tropical America
  10603. Militant Tendency
    a Trotskyist political organization in Great Britain set up in 1964 inside the Labour Party
  10604. military
    the armed forces of a nation
  10605. military academy
    an academy for training military officers
  10606. military band
    a group of musicians playing brass and woodwind and percussion instruments
  10607. military court
    a judicial court of commissioned officers for the discipline and punishment of military personnel
  10608. military force
    a unit that is part of some military service
  10609. military formation
    a formation of troops
  10610. military government
    government by the military and an army
  10611. military group
    a unit that is part of some military service
  10612. military intelligence
    information about the armed forces of another country that is useful in planning and conducting military policy or military operations
  10613. military intelligence agency
    an agency of the armed forces that obtains and analyzes and uses information of strategic or tactical military value
  10614. Military Intelligence Section 5
    the government agency in the United Kingdom that is responsible for internal security and counterintelligence on British territory
  10615. Military Intelligence Section 6
    the government agency in the United Kingdom that is responsible for internal security and counterintelligence overseas
  10616. military junta
    a group of military officers who rule a country after seizing power
  10617. military law
    the body of laws and rules of conduct administered by military courts for the discipline, trial, and punishment of military personnel
  10618. military machine
    the military forces of a nation
  10619. military personnel
    someone who serves in the armed forces
  10620. military police
    a military corps that enforces discipline and guards prisoners
  10621. military reserve
    armed forces that are not on active duty but can be called in an emergency
  10622. military service
    a force that is a branch of the armed forces
  10623. military unit
    a unit that is part of some military service
  10624. military-industrial complex
    armed forces and businesses and agencies that support them
  10625. militia
    civilians trained as soldiers, not part of the regular army
  10626. milkweed family
    widely distributed family of herbs and shrubs of the order Gentianales; most with milky juice
  10627. milkwort family
    trees, shrubs, and herbs widely distributed throughout both hemispheres
  10628. Milky Way
    the galaxy containing the solar system
  10629. Milky Way Galaxy
    the galaxy containing the solar system
  10630. Milky Way System
    the galaxy containing the solar system
  10631. Miltonia
    genus of tropical American orchids
  10632. Milvus
    a genus including the common European kits
  10633. Mimidae
    sometimes considered a subfamily of Troglodytidae: mockingbirds; catbirds; thrashers
  10634. Mimosaceae
    family of spiny woody plants (usually shrubs or small trees) whose leaves mimic animals in sensitivity to touch; commonly included in the family Leguminosae
  10635. Mimosoideae
    alternative name used in some classification systems for the family Mimosaceae
  10636. Mimus
    type genus of the family Mimidae: mockingbirds
  10637. mineral kingdom
    all inorganic objects
  10638. Ming
    the imperial dynasty of China from 1368 to 1644
  10639. Ming dynasty
    the imperial dynasty of China from 1368 to 1644
  10640. mingle-mangle
    a motley assortment of things
  10641. minimal art
    an art movement in sculpture and painting that began in the 1950s and emphasized extreme simplification of form and color
  10642. minimalism
    an art movement in sculpture and painting that began in the 1950s and emphasized extreme simplification of form and color
  10643. mining company
    a company that owns and manages mines
  10644. ministry
    the work of a person authorized to conduct religious worship
  10645. Minoan civilisation
    the bronze-age culture of Crete that flourished 3000-1100 BC
  10646. Minoan civilization
    the bronze-age culture of Crete that flourished 3000-1100 BC
  10647. Minoan culture
    the bronze-age culture of Crete that flourished 3000-1100 BC
  10648. minor league
    a league of teams that do not belong to a major league
  10649. minor term
    the term in a syllogism that is the subject of the conclusion
  10650. minor-league club
    a team that plays in a minor league
  10651. minor-league team
    a team that plays in a minor league
  10652. minority
    being or relating to the smaller in number of two parts
  10653. minors
    a league of teams that do not belong to a major league
  10654. minstrel show
    a variety show in which the performers are made up in blackface
  10655. minstrelsy
    the art of a minstrel
  10656. mint
    any member of the mint family of plants
  10657. mint family
    a large family of aromatic herbs and shrubs having flowers resembling the lips of a mouth and four-lobed ovaries yielding four one-seeded nutlets and including mint; thyme; sage; rosemary
  10658. Minuartia
    mostly perennial herbs of northern hemisphere often with mat-forming habit; most often placed in genus Arenaria: sandworts
  10659. minyan
    the smallest group required for some Jewish prayers or rites
  10660. Mirabilis
    four o'clocks
  10661. Miridae
    leaf bugs
  10662. Mirounga
    elephant seals
  10663. miscellanea
    a collection containing a variety of sorts of things
  10664. miscellany
    a collection containing a variety of sorts of things
  10665. misconstruction
    a kind of misinterpretation resulting from putting a wrong construction on words or actions (often deliberately)
  10666. mishmash
    a random assortment of things
  10667. mishpachah
    the entire family network of relatives by blood or marriage
  10668. mishpocha
    the entire family network of relatives by blood or marriage
  10669. mission
    an operation that is assigned by a higher headquarters
  10670. missionary post
    an organization of missionaries in a foreign land sent to carry on religious work
  10671. missionary station
    an organization of missionaries in a foreign land sent to carry on religious work
  10672. mistletoe family
    in some classifications considered a subfamily of Loranthaceae
  10673. Mitchella
    creeping evergreen herbs of North America
  10674. Mitella
    genus of low slender herbs of North America and northeastern Asia having flowers with trifid or pinnatifid petals
  10675. mixed bag
    a collection containing a variety of sorts of things
  10676. mixed economy
    an economic system that combines private and state enterprises
  10677. mixed marriage
    marriage of two people from different races or different religions or different cultures
  10678. mixer
    a kitchen device used for blending foods
  10679. mixture
    a collection containing a variety of sorts of things
  10680. MKO
    a terrorist organization formed in the 1960s by children of Iranian merchants; sought to counter the Shah of Iran's pro-western policies of modernization and opposition to communism; following a philosophy that mixes Marxism and Islam it now attacks the Islamic fundamentalists who deposed the Shah
  10681. Mniaceae
    family of erect mosses with club-shaped paraphyses and the hexagonal cells of the upper leaf surface; sometimes treated as a subfamily of Bryaceae
  10682. Mnium
    mosses similar to those of genus Bryum but larger
  10683. mob
    a disorderly crowd of people
  10684. mobocracy
    a political system in which a mob is the source of control
  10685. Mobula
    type genus of the Mobulidae
  10686. Mobulidae
    large rays lacking venomous spines: mantas
  10687. modal
    relating to or expressing the mood of a verb
  10688. modal auxiliary
    an auxiliary verb that is used to express modality
  10689. modal auxiliary verb
    an auxiliary verb that is used to express modality
  10690. modal verb
    an auxiliary verb that is used to express modality
  10691. modifier
    a content word that qualifies the meaning of a noun or verb
  10692. modifier gene
    a gene that modifies the effect produced by another gene
  10693. mods
    a youth subculture that began in London in the early 1960s
  10694. Moehringia
    low-growing herbs widely distributed in temperate and Arctic northern hemisphere: sandworts; distinguished from members of the genus Arenaria mainly by having four-petaled rather than five-petaled flowers
  10695. Mogul empire
    an empire established by the Mogul conquerors of India that reigned from 1526 to 1857
  10696. Mohave
    a desert area in southern California and western Arizona
  10697. Mohave Desert
    a desert area in southern California and western Arizona
  10698. Mohria
    African terrestrial ferns
  10699. moiety
    one of two approximately equal parts
  10700. Mojave
    a desert area in southern California and western Arizona
  10701. Mojave Desert
    a desert area in southern California and western Arizona
  10702. Molidae
    ocean sunfishes
  10703. Mollienesia
    mollies
  10704. Molluga
    carpetweeds
  10705. Mollusca
    gastropods; bivalves; cephalopods; chitons
  10706. mollusk family
    a family of mollusks
  10707. mollusk genus
    a genus of mollusks
  10708. Molossidae
    mastiff bats; freetail bats
  10709. Molothrus
    cowbirds
  10710. Molucella
    small genus of aromatic herbs of Mediterranean regions
  10711. Molva
    ling
  10712. Momordica
    Old World tropical vine
  10713. Momotidae
    a family of birds of the order Coraciiformes
  10714. Momotus
    type genus of the Momotidae
  10715. monarchy
    autocracy governed by a ruler who usually inherits authority
  10716. Monardella
    a genus of fragrant herbs of the family Labiatae in the western United States
  10717. monastic order
    a group of person living under a religious rule
  10718. Monera
    prokaryotic bacteria and blue-green algae and various primitive pathogens; because of lack of consensus on how to divide the organisms into phyla informal names are used for the major divisions
  10719. Moneses
    one species: one-flowered wintergreen
  10720. money market
    a market for short-term debt instruments
  10721. Mongol dynasty
    the imperial dynasty of China from 1279 to 1368
  10722. Mongolian race
    an Asian race
  10723. Mongoloid race
    an Asian race
  10724. Moniliaceae
    family of imperfect fungi having white or brightly colored hyphae and spores that are produced directly on the mycelium and not aggregated in fruiting bodies
  10725. Moniliales
    order of imperfect fungi lacking conidiophores of having conidiophores that are superficial and not enclosed in a pycnidium
  10726. Monocanthidae
    filefishes
  10727. Monocanthus
    type genus of the Monocanthidae
  10728. Monochamus
    sawyer beetles
  10729. monocot family
    family of flowering plants having a single cotyledon (embryonic leaf) in the seed
  10730. monocot genus
    genus of flowering plants having a single cotyledon (embryonic leaf) in the seed
  10731. Monocotyledonae
    comprising seed plants that produce an embryo with a single cotyledon and parallel-veined leaves: includes grasses and lilies and palms and orchids; divided into four subclasses or superorders: Alismatidae; Arecidae; Commelinidae; and Liliidae
  10732. Monocotyledones
    comprising seed plants that produce an embryo with a single cotyledon and parallel-veined leaves: includes grasses and lilies and palms and orchids; divided into four subclasses or superorders: Alismatidae; Arecidae; Commelinidae; and Liliidae
  10733. monocracy
    a form of government in which the ruler is an absolute dictator (not restricted by a constitution or laws or opposition etc.)
  10734. Monodon
    type genus of the Monodontidae
  10735. Monodontidae
    narwhals
  10736. Monomorium
    a genus of Formicidae
  10737. monorail
    a train running on a single, elevated track or beam
  10738. Monotremata
    coextensive with the subclass Prototheria
  10739. Monotropa
    leafless fleshy saprophytic plants
  10740. Monotropaceae
    used in some classification for saprophytic herbs sometimes included in the family Pyrolaceae: genera Monotropa and Sarcodes
  10741. monotype
    a taxonomic group with a single member
  10742. Montia
    small genus of densely tufted annual herbs
  10743. moonseed family
    herbaceous or woody climbers
  10744. moot court
    a mock court where law students argue hypothetical cases
  10745. Moraceae
    trees or shrubs having a milky juice
  10746. Moranzanist Patriotic Front
    a terrorist group of radical leftists formed in the late 1980s; seeks to prevent the United States from intervening in Honduran economic and political affairs
  10747. Morchella
    genus of edible fungi: morel
  10748. Morchellaceae
    a family of edible fungi including the true morels
  10749. Mormon Church
    church founded by Joseph Smith in 1830 with headquarters in Salt Lake City, Utah
  10750. Mormons
    church founded by Joseph Smith in 1830 with headquarters in Salt Lake City, Utah
  10751. morning-glory family
    morning glory
  10752. Moro Islamic Liberation Front
    a terrorist group in the southern Philippines formed in 1977 to establish an independent Islamic state for the Moros; have clashed with troops at United States bases
  10753. Morone
    carnivorous fresh and salt water fishes
  10754. morphophonemic system
    the morphophonemics of a particular language
  10755. mortality table
    an actuarial table indicating life expectancy and probability of death as a function or age and sex and occupation etc
  10756. Morus
    type genus of the Moraceae: mulberries
  10757. Mosaic law
    the laws that God gave to the Israelites through Moses
  10758. Moschus
    musk deer
  10759. moshav
    a cooperative Israeli village or settlement comprised of small farms
  10760. moss family
    a family of mosses
  10761. moss genus
    a genus of mosses
  10762. Mossad
    the Israeli foreign intelligence agency
  10763. Motacilla
    type genus of the Motacillidae: wagtails
  10764. Motacillidae
    pipits and wagtails
  10765. motley
    consisting of a haphazard assortment of different kinds
  10766. motor pool
    a fleet of military vehicles controlled by a single agency and available for use as needed
  10767. motorcade
    a procession of people traveling in vehicles
  10768. mound
    a collection of objects laid on top of each other
  10769. Mounties
    the federal police force of Canada
  10770. movement
    change of position that does not entail a change of location
  10771. Movement for Revenge
    an organization of Muslims in India who killed Hindus in September 2002; believed to have ties with Muslim terrorists in Pakistan
  10772. Movement of Holy Warriors
    an Islamic fundamentalist group in Pakistan that fought the Soviet Union in Afghanistan in the 1980s; now operates as a terrorist organization primarily in Kashmir and seeks Kashmir's accession by Pakistan
  10773. mover
    someone who moves
  10774. movie industry
    the entertainment industries involved in producing and distributing movies
  10775. Movimiento Revolucionario Tupac Anaru
    a Marxist-Leninist terrorist organization in Peru
  10776. moving company
    a company that moves the possessions of a family or business from one site to another
  10777. MP
    a member of the military police who polices soldiers and guards prisoners
  10778. MRTA
    a Marxist-Leninist terrorist organization in Peru
  10779. MSB
    a state-chartered savings bank owned by its depositors and managed by a board of trustees
  10780. muckheap
    a heap of dung or refuse
  10781. muckhill
    a heap of dung or refuse
  10782. Mucoraceae
    large family of chiefly saprophytic fungi that includes many common molds destructive to food products
  10783. Mucorales
    an order of mostly saprophytic fungi
  10784. Mugil
    type genus of the Mugilidae: mullets
  10785. Mugilidae
    grey mullets
  10786. Mugiloidea
    fishes distinguished by abdominal pelvic fins: families Mugilidae; Atherinidae; Sphyraenidae
  10787. Muhlenbergia
    a genus of grasses of the family Gramineae grown in America and Asia
  10788. mujahadeen
    a group of Muslim guerrilla warriors engaged in a jihad
  10789. mujahadein
    a group of Muslim guerrilla warriors engaged in a jihad
  10790. mujahadin
    a group of Muslim guerrilla warriors engaged in a jihad
  10791. mujahedeen
    a group of Muslim guerrilla warriors engaged in a jihad
  10792. Mujahedeen Khalq
    Iranian guerillas based in Iraq
  10793. Mujahedeen Kompak
    a militant Islamic militia that was formed in 2005 by hardliners who split from Jemaah Islamiyah
  10794. mujahedin
    a group of Muslim guerrilla warriors engaged in a jihad
  10795. mujahideen
    a group of Muslim guerrilla warriors engaged in a jihad
  10796. mujahidin
    a group of Muslim guerrilla warriors engaged in a jihad
  10797. Mujahidin-e Khalq Organization
    a terrorist organization formed in the 1960s by children of Iranian merchants; sought to counter the Shah of Iran's pro-western policies of modernization and opposition to communism; following a philosophy that mixes Marxism and Islam it now attacks the Islamic fundamentalists who deposed the Shah
  10798. mulberry family
    trees or shrubs having a milky juice
  10799. Mullidae
    goatfishes or red mullets
  10800. Mulloidichthys
    a genus of Mullidae
  10801. Mullus
    type genus of the Mullidae: goatfishes
  10802. multibank holding company
    a bank holding company owning several banks
  10803. multitude
    a large indefinite number
  10804. multiversity
    a university system having several separate campuses and colleges and research centers
  10805. municipal government
    the government of a municipality
  10806. municipality
    a local district having powers of self-government
  10807. munitions industry
    an industry that manufacturers weapons of war
  10808. Muntiacus
    muntjacs
  10809. Muntingia
    one species: Jamaican cherry
  10810. Muraenidae
    marine eels
  10811. Muridae
    originally Old World rats now distributed worldwide
  10812. Muroidea
    a superfamily of rodents essentially equal to the suborder Myomorpha but with the Dipodidae excluded
  10813. Mus
    type genus of the Muridae: common house mice
  10814. Musa
    type genus of the Musaceae: bananas
  10815. Musaceae
    treelike tropical Asian herbs
  10816. Musales
    tropical plants
  10817. Musca
    a small constellation in the polar region of the southern hemisphere near the Southern Cross and Chamaeleon
  10818. Muscardinus
    a genus of Gliridae
  10819. Muscari
    sometimes placed in family Hyacinthaceae
  10820. Musci
    true mosses: bryophytes having leafy rather than thalloid gametophytes: comprises orders Andreaeales; Bryales; Dicranales; Eubryales; Sphagnales
  10821. Muscicapa
    type genus of the Muscicapidae
  10822. Muscicapidae
    Old World (true) flycatchers
  10823. Muscidae
    two-winged flies especially the housefly
  10824. Muscivora
    a genus of Tyrannidae
  10825. Muscoidea
    two-winged flies especially the families: Muscidae
  10826. mushroom pimple
    any of various fungi of the family Hypocreaceae
  10827. music department
    the academic department responsible for teaching music and music appreciation
  10828. music school
    a school for the study of music
  10829. musical group
    an organization of musicians who perform together
  10830. musical organisation
    an organization of musicians who perform together
  10831. musical organization
    an organization of musicians who perform together
  10832. musical soiree
    a soiree assembled for the purpose of listening to music
  10833. musketry
    the technique of using small arms (especially in battle)
  10834. Muslim Ummah
    the Muslim community or people, considered to extend from Mauritania to Pakistan
  10835. Muslimism
    the monotheistic religious system of Muslims founded in Arabia in the 7th century and based on the teachings of Muhammad as laid down in the Koran
  10836. Musophaga
    type genus of the Musophagidae
  10837. Musophagidae
    touracos
  10838. mustard family
    a large family of plants with four-petaled flowers
  10839. Mustela
    type genus of the family Mustelidae: minks and weasels
  10840. Mustelidae
    weasels
  10841. Mustelus
    smooth dogfishes
  10842. muster
    summon up, call forth, or bring together
  10843. mutant gene
    a gene that has changed so that the normal transmission and expression of a trait is affected
  10844. Mutawa
    religious police in Saudi Arabia whose duty is to ensure strict adherence to established codes of conduct; offenders may be detained indefinitely; foreigners are not excluded
  10845. Mutawa'een
    religious police in Saudi Arabia whose duty is to ensure strict adherence to established codes of conduct; offenders may be detained indefinitely; foreigners are not excluded
  10846. Mutinus
    a genus of fungi belonging to the family Phallaceae
  10847. mutual fund
    the pooled money that is invested in assets
  10848. mutual fund company
    a regulated investment company with a pool of assets that regularly sells and redeems its shares
  10849. mutual savings bank
    a state-chartered savings bank owned by its depositors and managed by a board of trustees
  10850. Mya
    type genus of the family Myacidae
  10851. Myaceae
    clams
  10852. Myacidae
    soft-shell clams
  10853. Myadestes
    solitaires
  10854. Mycelia Sterilia
    order of imperfect fungi having no known spore stage
  10855. Mycenaean civilisation
    the late bronze-age culture of Mycenae that flourished 1400-1100 BC
  10856. Mycenaean civilization
    the late bronze-age culture of Mycenae that flourished 1400-1100 BC
  10857. Mycenaean culture
    the late bronze-age culture of Mycenae that flourished 1400-1100 BC
  10858. Mycetophilidae
    fungus gnats
  10859. Mycobacteriaceae
    a family of bacteria
  10860. Mycoplasmataceae
    pleomorphic Gram-negative nonmotile microorganism similar to both viruses and bacteria; parasitic in mammals
  10861. Mycoplasmatales
    coextensive with the family Mycoplasmataceae
  10862. Mycrosporidia
    an order in the subclass Cnidosporidia
  10863. Mycteria
    a genus of storks of the family Ciconiidae now including only the American wood ibis
  10864. Mycteroperca
    groupers
  10865. Myctophidae
    deep-sea fishes comprising the lantern fishes
  10866. Myliobatidae
    eagle rays
  10867. Mylodontidae
    extinct South American edentates
  10868. Myocastor
    a genus of Capromyidae
  10869. Myomorpha
    true rats and mice and related rodents
  10870. Myopus
    a genus of Cricetidae
  10871. Myosotis
    forget-me-nots; scorpion grass
  10872. Myotis
    largest and most widely distributed genus of bats
  10873. Myrcia
    a genus of tropical American trees and shrubs of the myrtle family
  10874. Myrciaria
    a genus of tropical American trees and shrubs of the myrtle family
  10875. Myriapoda
    arthropods having the body composed of numerous double somites each with two pairs of legs: millipedes
  10876. Myrica
    deciduous aromatic shrubs or small trees
  10877. Myricaceae
    constituting the order Myricales
  10878. Myricales
    coextensive with the family Myricaceae
  10879. Myricaria
    small genus of deciduous shrubs or subshrubs of southern Europe to Siberia and China; tolerant of chalky soil
  10880. Myriophyllum
    chiefly monoecious and usually aquatic herbs
  10881. Myristica
    type genus of Myristicaceae
  10882. Myristicaceae
    family of aromatic tropical trees with arillate seeds
  10883. Myrmecia
    bulldog ants
  10884. Myrmecobius
    banded anteater
  10885. Myrmecophaga
    type genus of the Myrmecophagidae; South American ant bear
  10886. Myrmecophagidae
    New World anteaters
  10887. Myrmeleon
    type genus of the Myrmeleontidae: antlions
  10888. Myrmeleontidae
    antlions
  10889. Myroxylon
    a genus of tropical American trees having pinnate leaves and white flowers
  10890. Myrrhis
    European perennial herbs having pinnate leaves and umbels of white flowers
  10891. Myrsinaceae
    family of Old World tropical trees and shrubs
  10892. Myrsine
    evergreen trees and shrubs having aromatic foliage
  10893. myrsine family
    family of Old World tropical trees and shrubs
  10894. Myrtaceae
    trees and shrubs yielding a fragrant oil
  10895. Myrtales
    Myrtaceae
  10896. Myrtillocactus
    small genus of arborescent cacti of Mexico and Central America
  10897. myrtle family
    trees and shrubs yielding a fragrant oil
  10898. Myrtus
    type genus of the Myrtaceae
  10899. Mysidacea
    opossum shrimp
  10900. Mysidae
    small shrimp-like crustaceans
  10901. Mysis
    type genus of the family Mysidae
  10902. Mysticeti
    baleen whales: right whales
  10903. mythology
    the body of stories associated with a culture or institution
  10904. Mytilidae
    marine mussels
  10905. Mytilus
    type genus of the family Mytilidae: smooth-shelled marine mussels
  10906. Myxine
    type genus of the Myxinidae (typical hagfishes)
  10907. Myxinidae
    slime-producing marine animals: hagfishes
  10908. Myxiniformes
    hagfishes as distinguished from lampreys
  10909. Myxinikela
    fossil hagfishes
  10910. Myxinoidea
    hagfishes as distinguished from lampreys
  10911. Myxinoidei
    hagfishes as distinguished from lampreys
  10912. Myxobacterales
    an order of higher bacteria
  10913. Myxobacteriaceae
    bacteria living mostly in soils and on dung
  10914. Myxobacteriales
    an order of higher bacteria
  10915. Myxocephalus
    grubby
  10916. Myxomycetes
    the class of true slime molds
  10917. Myxomycota
    slime molds
  10918. Myxophyceae
    former terms for Cyanophyceae
  10919. Myxosporidia
    an order in the subclass Cnidosporidia
  10920. Nabalus
    genus of North American and east Asian perennial herbs
  10921. NAC
    a council consisting of permanent representatives of all the member countries of NATO; has political authority and powers of decision
  10922. Naemorhedus
    gorals
  10923. Nafud
    a desert in northern Saudi Arabia that is noted for its red sand and violent winds
  10924. Nag Hammadi
    a town in Upper Egypt
  10925. Nag Hammadi Library
    a collection of 13 ancient papyrus codices translated from Greek into Coptic that were discovered by farmers near the town of Nag Hammadi in 1945; the codices contain 45 distinct works including the chief sources of firsthand knowledge of Gnosticism
  10926. Nageia
    small genus of Asian evergreen trees having columnar crowns and distinguished by leaves lacking a midrib; eastern Asia including India and Philippines and New Guinea
  10927. naiad family
    monotypic family of aquatic plants having narrow leaves and small flowers
  10928. Naiadaceae
    monotypic family of aquatic plants having narrow leaves and small flowers
  10929. Naiadales
    an order of aquatic monocotyledonous herbaceous plants
  10930. Naias
    sole genus of the family Naiadaceae
  10931. Naja
    cobras
  10932. Najadaceae
    monotypic family of aquatic plants having narrow leaves and small flowers
  10933. Najas
    sole genus of the family Naiadaceae
  10934. name
    a language unit by which a person or thing is known
  10935. Namib Desert
    a desert in Namibia extending along the coast between the high plateau and the Atlantic Ocean
  10936. Napaea
    one species: glade mallow
  10937. NARA
    the independent agency that oversees management of federal government records including presidential libraries and historic collections
  10938. Narthecium
    bog asphodels; sometimes placed in family Melanthiaceae
  10939. NASA
    an independent agency of the United States government responsible for aviation and spaceflight
  10940. Nasalis
    proboscis monkeys
  10941. Nasturtium
    aquatic herbs
  10942. nasturtium family
    coextensive with the genus Tropaeolum
  10943. Nasua
    coatis
  10944. Natantia
    shrimp; prawns; etc.
  10945. Naticidae
    moonshells
  10946. nation
    a politically organized body of people under a government
  10947. Nation of Islam
    a group of militant Black Americans who profess Islamic religious beliefs and advocate independence for Black Americans
  10948. National Academy of Sciences
    an honorary American society of scientists created by President Lincoln during the American Civil War
  10949. National Aeronautics and Space Administration
    an independent agency of the United States government responsible for aviation and spaceflight
  10950. National Archives and Records Administration
    the independent agency that oversees management of federal government records including presidential libraries and historic collections
  10951. National Association of Realtors
    a United States association of real estate agents which follows a strict code of ethics
  10952. national bank
    a commercial bank chartered by the federal government
  10953. National Climatic Data Center
    the part of NOAA that maintains the world's largest active archive of weather data
  10954. National Geospatial-Intelligence Agency
    a combat support agency that provides geographic intelligence in support of national security
  10955. National Guard
    United States military reserves recruited by the states and equipped by the federal government; subject to call by either
  10956. National Guard Bureau
    the agency that administers the Army National Guard and the Air National Guard; provides liaison between the Army and the Air Force and various National Guard units
  10957. National Institute of Justice
    the law enforcement agency that is the research and development branch of the Department of Justice
  10958. National Institute of Standards and Technology
    an agency in the Technology Administration that makes measurements and sets standards as needed by industry or government programs
  10959. National Institutes of Health
    an agency in the Department of Health and Human Services whose mission is to employ science in the pursuit of knowledge to improve human health; is the principal biomedical research agency of the federal government
  10960. National Intelligence Community
    a group of government agencies and organizations that carry out intelligence activities for the United States government; headed by the Director of Central Intelligence
  10961. National Labor Relations Board
    an independent agency of the United States government charged with mediating disputes between management and labor unions
  10962. National Liberation Army
    a Marxist terrorist group formed in 1963 by Colombian intellectuals who were inspired by the Cuban Revolution; responsible for a campaign of mass kidnappings and resistance to the government's efforts to stop the drug trade
  10963. National Liberation Front of Corsica
    a terrorist group formed in 1976 to work for Corsican independence; attacks on Corsica are aimed at sabotaging public infrastructure and symbols of colonialism
  10964. National Oceanic and Atmospheric Administration
    an agency in the Department of Commerce that maps the oceans and conserves their living resources; predicts changes to the earth's environment; provides weather reports and forecasts floods and hurricanes and other natural disasters related to weather
  10965. National Park Service
    an agency of the Interior Department responsible for the national parks
  10966. National Reconnaissance Office
    an intelligence agency in the United States Department of Defense that designs and builds and operates space reconnaissance systems to detect trouble spots worldwide and to monitor arms control agreements and environmental issues and to help plan military operations
  10967. National Rifle Association
    a powerful lobby that advocates the right to own and bear arms and rejects any gun regulation by the government
  10968. National Science Foundation
    an independent agency of the federal government responsible for the promotion of progress in science and engineering by supporting programs in research and education
  10969. National Security Agency
    the United States cryptologic organization that coordinates and directs highly specialized activities to protect United States information systems and to produce foreign intelligence information
  10970. National Security Council
    a committee in the executive branch of government that advises the president on foreign and military and national security; supervises the Central Intelligence Agency
  10971. national socialism
    a form of socialism featuring racism and expansionism and obedience to a strong leader
  10972. National Socialist German Workers' Party
    the political party founded in Germany in 1919 and brought to power by Hitler in 1933
  10973. National Technical Information Service
    an agency in the Technology Administration that is a primary resource for government-funded scientific and technical and engineering and business related information
  10974. National Trust
    an organization concerned to preserve historic monuments and buildings and places of historical interest or natural beauty; founded in 1895 and supported by endowment and private subscription
  10975. National Volunteers Association
    an all-male organization begun in 1925 to foster nationalism in India's Hindus
  10976. National Weather Service
    the federal agency in the National Oceanic and Atmospheric Administration that is responsible for weather forecast and preparation of weather maps
  10977. nationality
    the status of belonging to a particular country
  10978. native Australian
    a dark-skinned member of a race of people living in Australia when Europeans arrived
  10979. NATO
    an international organization created in 1949 by the North Atlantic Treaty for purposes of collective security
  10980. Natrix
    water snakes; a cosmopolitan genus
  10981. naturalism
    an artistic movement emphasizing realistic description
  10982. Nauclea
    small genus of evergreen tropical shrubs or trees with smooth leathery leaves
  10983. Naucrates
    a genus of Carangidae
  10984. Nautilidae
    spiral-shelled cephalopods
  10985. naval academy
    an academy for training naval officers
  10986. Naval Air Warfare Center Weapons Division
    the principal agency of the United States Navy for research and development for air warfare and missile weapon systems
  10987. naval division
    a group of ships of similar type
  10988. naval forces
    the branch of armed services that conducts operations at sea
  10989. Naval Research Laboratory
    the United States Navy's defense laboratory that conducts basic and applied research for the Navy in a variety of scientific and technical disciplines
  10990. Naval Special Warfare
    the agency that provides units to conduct unconventional and counter-guerilla warfare
  10991. Naval Surface Warfare Center
    the agency that provides scientific and engineering and technical support for all aspects of surface warfare
  10992. Naval Underwater Warfare Center
    the agency that provides scientific and engineering and technical support for submarine and undersea warfare systems
  10993. naval unit
    a military unit that is part of a navy
  10994. navy
    the branch of armed services that conducts operations at sea
  10995. Navy Department
    a former executive department of the United States government; created in 1798 and combined with the War Department in 1947
  10996. NAWCWPNS
    the principal agency of the United States Navy for research and development for air warfare and missile weapon systems
  10997. Nazi Germany
    the Nazi dictatorship under Hitler (1933-1945)
  10998. Nazi Party
    the political party founded in Germany in 1919 and brought to power by Hitler in 1933
  10999. Naziism
    a form of socialism featuring racism and expansionism and obedience to a strong leader
  11000. Nazism
    a form of socialism featuring racism and expansionism and obedience to a strong leader
  11001. NCDC
    the part of NOAA that maintains the world's largest active archive of weather data
  11002. Necturus
    a genus of Proteidae
  11003. needy
    poor enough to need help from others
  11004. Nefud
    a desert in northern Saudi Arabia that is noted for its red sand and violent winds
  11005. Negaprion
    lemon sharks
  11006. Negev
    a desert in southern Israel
  11007. Negev Desert
    a desert in southern Israel
  11008. Negro race
    a dark-skinned race
  11009. Negroid race
    a dark-skinned race
  11010. neighborhood
    an area within a city or town that has distinctive features
  11011. neighbourhood
    a surrounding or nearby region
  11012. Nelumbo
    sometimes placed in the family Nymphaeaceae: lotuses
  11013. Nelumbonaceae
    in some classifications considered an independent family of water lilies; comprises the single genus Nelumbo
  11014. Nematocera
    mosquitoes; fungus gnats; crane flies; gnats; sand flies
  11015. Nematoda
    unsegmented worms: roundworms; threadworms; eelworms
  11016. Nemertea
    proboscis worms
  11017. Nemertina
    proboscis worms
  11018. Neoceratodus
    extant Australian lungfishes
  11019. Neoceratodus forsteri
    an endangered species of lungfish found in rivers in Queensland
  11020. neoexpressionism
    an art movement based on expressionism
  11021. Neofiber
    round-tailed muskrat
  11022. Neohygrophorus
    a genus of fungi belonging to the family Hygrophoraceae
  11023. Neolentinus
    a genus of fungi belonging to the family Polyporaceae
  11024. Neomys
    a genus of Soricidae
  11025. neonatal intensive care unit
    an intensive care unit designed with special equipment to care for premature or seriously ill newborn
  11026. Neophron
    a genus of Accipitridae
  11027. neoromanticism
    an art movement based on a revival of Romanticism in art and literature
  11028. Neotoma
    packrats
  11029. Nepa
    type genus of the Nepidae: typical elongate-oval water scorpions
  11030. Nepenthaceae
    coextensive with the genus Nepenthes
  11031. Nepenthes
    pitcher plants
  11032. Nepeta
    catmint
  11033. Nephelium
    a genus of dicotyledonous trees of the family Sapindaceae that are native to Asia and Australia
  11034. Nephrolepis
    small genus of tropical ferns
  11035. Nephrops
    a genus of Nephropsidae
  11036. Nephropsidae
    in some classifications coextensive with the Homaridae
  11037. Nepidae
    water scorpions
  11038. Neritidae
    neritids
  11039. Nerium
    one species: oleander
  11040. Nerodia
    North American water snakes
  11041. Nesokia
    bandicoot rats
  11042. nest
    a structure in which animals lay eggs or give birth to their young
  11043. Nestor
    (Greek mythology) a wise old counselor to the Greeks at Troy
  11044. Nestor Paz Zamora Commission
    a terrorist organization in Bolivia that acts as an umbrella for numerous small indigenous subversive groups; a revival of a group with Marxist-Leninist ideologies originally established by Che Guevara in the 1960s
  11045. Nestorian Church
    a Christian Church in the Middle East that followed Nestorianism; there is still a small Nestorian Church in Iraq
  11046. nettle family
    a family of plants of order Urticales including many nettles with stinging hairs
  11047. network
    an open fabric woven together at regular intervals
  11048. network army
    a group of like-minded people united by the internet
  11049. neural net
    computer architecture in which processors are connected in a manner suggestive of connections between neurons; can learn by trial and error
  11050. neural network
    computer architecture in which processors are connected in a manner suggestive of connections between neurons; can learn by trial and error
  11051. Neuroptera
    an order of insects including: lacewings
  11052. Neurospora
    genus of fungi with black perithecia used extensively in genetic research; includes some forms with orange spore masses that cause severe damage in bakeries
  11053. Neurotrichus
    shrew moles
  11054. neuter
    having no or imperfectly developed or nonfunctional sex organs
  11055. New Amsterdam
    a settlement established by the Dutch near the mouth of Hudson River and the southern end of Manhattan Island; annexed by the English in 1664 and renamed New York
  11056. New People's Army
    a terrorist organization that is the militant wing of the Communist Party of the Philippines; a Maoist organization formed to overthrow the government; uses hit squads called Sparrow Units; opposes United States military presence in the Philippines
  11057. New Scotland Yard
    the detective department of the metropolitan police force of London
  11058. new wave
    any creative group active in the innovation and application of new concepts and techniques in a given field (especially in the arts)
  11059. news agency
    an agency to collects news reports for newspapers and distributes it electronically
  11060. news organisation
    an agency to collects news reports for newspapers and distributes it electronically
  11061. news organization
    an agency to collects news reports for newspapers and distributes it electronically
  11062. newspaper
    a daily or weekly publication with articles and advertisements
  11063. newspaper publisher
    the proprietor of a newspaper
  11064. newsroom
    an office in which news is processed by a newspaper or news agency or television or radio station
  11065. nexus
    the means of connection between things linked in series
  11066. NGA
    a combat support agency that provides geographic intelligence in support of national security
  11067. NGB
    the agency that administers the Army National Guard and the Air National Guard; provides liaison between the Army and the Air Force and various National Guard units
  11068. NGO
    an organization that is not part of the local or state or federal government
  11069. Nicaea
    an ancient city in Bithynia
  11070. Nicandra
    sturdy annual of Peru
  11071. Nicotiana
    American and Asiatic aromatic herbs and shrubs with viscid foliage
  11072. NICU
    an intensive care unit designed with special equipment to care for premature or seriously ill newborn
  11073. Nidularia
    type genus of the Nidulariaceae
  11074. Nidulariaceae
    bird's-nest fungi
  11075. Nidulariales
    small order of basidiomycetous fungi comprising families Nidulariaceae and Sphaerobolaceae
  11076. night court
    a criminal court (in large cities) that sits at night
  11077. night school
    a school that holds classes in the evenings for students who cannot attend during the day
  11078. night shift
    the work shift during the night (as midnight to 8 a.m.)
  11079. Nigroporus
    a genus of fungi belonging to the family Polyporaceae
  11080. NIH
    an agency in the Department of Health and Human Services whose mission is to employ science in the pursuit of knowledge to improve human health; is the principal biomedical research agency of the federal government
  11081. NIJ
    the law enforcement agency that is the research and development branch of the Department of Justice
  11082. Nimravus
    false sabertoothed tigers
  11083. nine
    the cardinal number that is the sum of eight and one
  11084. ninja
    a member of the ninja who were trained in martial arts and hired for espionage or sabotage or assassinations; a person skilled in ninjutsu
  11085. Nipa
    monotypic genus of palms of Australasia
  11086. NIPR
    a clandestine group of leftist extremists who oppose Italy's labor policies and foreign policy; responsible for bombing building in the historic center of Rome from 2000 to 2002
  11087. NIST
    an agency in the Technology Administration that makes measurements and sets standards as needed by industry or government programs
  11088. Nitella
    fragile branching stoneworts
  11089. nitrite
    the radical -NO2 or any compound containing it
  11090. nitro group
    the group -NO3
  11091. Nitrobacter
    rod-shaped soil bacteria
  11092. Nitrobacteriaceae
    usually rod-shaped bacteria that oxidize ammonia or nitrites: nitrobacteria
  11093. Nitrosomonas
    ellipsoidal soil bacteria
  11094. NLRB
    an independent agency of the United States government charged with mediating disputes between management and labor unions
  11095. NOAA
    an agency in the Department of Commerce that maps the oceans and conserves their living resources; predicts changes to the earth's environment; provides weather reports and forecasts floods and hurricanes and other natural disasters related to weather
  11096. nobility
    a privileged class holding hereditary titles
  11097. noblesse
    the state of being of noble birth
  11098. Noctua
    type genus of the Noctuidae: moths whose larvae are cutworms
  11099. Noctuidae
    cutworms; armyworms
  11100. Nolina
    perennial plants resembling yucca
  11101. nomia
    a genus of bee; some are important pollinators of legumes
  11102. nominal
    relating to or constituting or bearing or giving a name
  11103. nominal phrase
    a phrase that can function as the subject or object of a verb
  11104. nominative
    appointed by nomination
  11105. nominative case
    the category of nouns serving as the grammatical subject of a verb
  11106. non-market economy
    an economy that is not a market economy
  11107. nonalignment
    people (or countries) who are not aligned with other people (or countries) in a pact or treaty
  11108. nonalinement
    people (or countries) who are not aligned with other people (or countries) in a pact or treaty
  11109. nonallele
    genes that are not competitors at the same locus
  11110. nondepository financial institution
    a financial institution that funds their investment activities from the sale of securities or insurance
  11111. nondiscretionary trust
    an investment trust that can buy only those securities listed when the trust was organized
  11112. nongovernmental organization
    an organization that is not part of the local or state or federal government
  11113. nonlinear system
    a system whose performance cannot be described by equations of the first degree
  11114. Nonproliferation Center
    an agency that serves as the focal point for all Intelligence Community activities related to nonproliferation of weapons of mass destruction and their missile delivery systems
  11115. nonrestrictive clause
    a subordinate clause that does not limit or restrict the meaning of the noun phrase it modifies
  11116. nonsingular matrix
    a square matrix whose determinant is not zero
  11117. Nopalea
    a genus of the cactus family with scarlet flowers
  11118. normal school
    a two-year school for training elementary teachers
  11119. Norse mythology
    the mythology of Scandinavia (shared in part by Britain and Germany) until the establishment of Christianity
  11120. North America
    a continent (the third largest) in the western hemisphere connected to South America by the Isthmus of Panama
  11121. North Atlantic Council
    a council consisting of permanent representatives of all the member countries of NATO; has political authority and powers of decision
  11122. North Atlantic Treaty Organization
    an international organization created in 1949 by the North Atlantic Treaty for purposes of collective security
  11123. Northern Alliance
    a multiethnic alliance in Afghanistan who practice a moderate form of Islam and are united in their opposition to the Taliban
  11124. Northern Baptist Convention
    an association of Northern Baptists
  11125. northern barramundi
    a species of large fish found in Australian rivers
  11126. Northern Cross
    a cluster of 5 bright stars forming a cross in the constellation Cygnus
  11127. nosegay
    an arrangement of flowers that is usually given as a present
  11128. Nostocaceae
    blue-green algae
  11129. Notechis
    tiger snakes
  11130. Notemigonus
    golden shiners
  11131. Nothofagus
    beeches of temperate southern hemisphere except Africa: southern beech
  11132. Nothosauria
    a suborder of Sauropterygia
  11133. Notomys
    jerboa rats
  11134. Notonecta
    type genus of the Notonectidae: backswimmers
  11135. Notonectidae
    aquatic carnivorous insects
  11136. Notophthalmus
    newts
  11137. Notoryctidae
    pouched moles
  11138. Notoryctus
    type genus of the family Notoryctidae: comprising solely the marsupial mole
  11139. Notostraca
    small freshwater crustaceans with a shield-shaped carapace
  11140. Notropis
    shiners
  11141. noun
    a content word referring to a person, place, thing or action
  11142. noun phrase
    a phrase that can function as the subject or object of a verb
  11143. Nouvelle Vague
    an art movement in French cinema in the 1960s
  11144. NPA
    a terrorist organization that is the militant wing of the Communist Party of the Philippines; a Maoist organization formed to overthrow the government; uses hit squads called Sparrow Units; opposes United States military presence in the Philippines
  11145. NPC
    an agency that serves as the focal point for all Intelligence Community activities related to nonproliferation of weapons of mass destruction and their missile delivery systems
  11146. NRA
    a powerful lobby that advocates the right to own and bear arms and rejects any gun regulation by the government
  11147. NRC
    an independent federal agency created in 1974 to license and regulate nuclear power plants
  11148. NRL
    the United States Navy's defense laboratory that conducts basic and applied research for the Navy in a variety of scientific and technical disciplines
  11149. NRO
    an intelligence agency in the United States Department of Defense that designs and builds and operates space reconnaissance systems to detect trouble spots worldwide and to monitor arms control agreements and environmental issues and to help plan military operations
  11150. NSA
    the United States cryptologic organization that coordinates and directs highly specialized activities to protect United States information systems and to produce foreign intelligence information
  11151. NSC
    a committee in the executive branch of government that advises the president on foreign and military and national security; supervises the Central Intelligence Agency
  11152. NSF
    an independent agency of the federal government responsible for the promotion of progress in science and engineering by supporting programs in research and education
  11153. NSW
    the agency that provides units to conduct unconventional and counter-guerilla warfare
  11154. NSWC
    the agency that provides scientific and engineering and technical support for all aspects of surface warfare
  11155. NT
    an organization concerned to preserve historic monuments and buildings and places of historical interest or natural beauty; founded in 1895 and supported by endowment and private subscription
  11156. NTIS
    an agency in the Technology Administration that is a primary resource for government-funded scientific and technical and engineering and business related information
  11157. Nubian
    a native or inhabitant of Nubia
  11158. Nubian Desert
    an arid sandstone plateau in northeastern Sudan between the Nile and the Red Sea
  11159. Nucifraga
    nutcrackers
  11160. nuclear club
    the nations possessing nuclear weapons
  11161. nuclear family
    a family consisting of parents and their children and grandparents of a marital partner
  11162. Nuclear Regulatory Commission
    an independent federal agency created in 1974 to license and regulate nuclear power plants
  11163. nucleus
    a part of the cell responsible for growth and reproduction
  11164. Nuda
    ctenophores lacking tentacles; comprises one genus: beroe
  11165. Nudibranchia
    comprising numerous marine gastropod mollusks lacking a shell in the adult state and usually having a body like a slug
  11166. number
    a concept of quantity involving zero and units
  11167. Numenius
    curlews
  11168. Numida
    guinea fowl
  11169. Numididae
    guinea fowl and related birds of Africa and Madagascar
  11170. Numidinae
    guinea fowl and related birds of Africa and Madagascar
  11171. Nummulitidae
    a family of fossil protoctists
  11172. Nuphar
    spatterdocks
  11173. nursery
    a child's room for a baby
  11174. nursery school
    a small preschool for small children
  11175. nursing
    the work of caring for the sick or injured or infirm
  11176. nursing school
    a school for training nurses
  11177. nutmeg family
    family of aromatic tropical trees with arillate seeds
  11178. NUWC
    the agency that provides scientific and engineering and technical support for submarine and undersea warfare systems
  11179. Nuytsia
    one species
  11180. Nyctaginaceae
    a family of flowering plants of the order Caryophyllales
  11181. Nyctaginia
    a caryophyllaceous genus of the family Nyctaginaceae having only one species
  11182. Nyctanassa
    American night herons
  11183. Nyctereutes
    raccoon dogs
  11184. Nycticebus
    a genus of Lorisidae
  11185. Nycticorax
    Old World night herons
  11186. Nyctimene
    East Indian fruit bats
  11187. Nymphaea
    the type genus of the family Nymphaeaceae
  11188. Nymphaeaceae
    dicot aquatic plants
  11189. Nymphalidae
    large beautifully colored butterflies
  11190. Nymphalis
    type genus of the Nymphalidae: mourning cloak butterflies
  11191. Nymphicus
    a genus of Psittacidae
  11192. Nypa
    monotypic genus of palms of Australasia
  11193. Nyssa
    tupelos: deciduous trees of moist habitats especially swamps and beside ponds
  11194. Nyssaceae
    a family of dicotyledonous trees of order Myrtales that includes the sour gum trees
  11195. OAS
    an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation
  11196. obeah
    spiritual and religious methods used in Afro-Caribbean practices for protection or guidance
  11197. obi
    a wide sash tied around the waist of a Japanese kimono
  11198. object
    a tangible and visible entity
  11199. object of a preposition
    the object governed by a preposition
  11200. object of the verb
    the object that receives the direct action of the verb
  11201. objective case
    the case of nouns serving as the direct object of a verb
  11202. oblique
    slanting or inclined in direction or course or position
  11203. oblique case
    any grammatical case other than the nominative
  11204. occupational group
    a body of people doing the same kind of work
  11205. Occupational Safety and Health Administration
    a government agency in the Department of Labor to maintain a safe and healthy work environment
  11206. occupational safety and health act
    a law passed by the United States Congress that created the Occupational Safety and Health Administration to prevent employees from being injured or contracting diseases in the course of their employment
  11207. Oceanites
    a genus of Hydrobatidae
  11208. ochlocracy
    a political system in which a mob is the source of control
  11209. Ochna
    type genus of Ochnaceae
  11210. ochna family
    family of tropical evergreen trees and shrubs with thick shining parallel-veined leaves
  11211. Ochnaceae
    family of tropical evergreen trees and shrubs with thick shining parallel-veined leaves
  11212. Ochotona
    type genus of the Ochotonidae
  11213. Ochotonidae
    pikas and extinct forms
  11214. Ochroma
    one species: balsa
  11215. Ocimum
    basil
  11216. octet
    eight performers or singers who perform together
  11217. octette
    eight performers or singers who perform together
  11218. Octopoda
    octopuses and paper nautilus
  11219. Octopodidae
    a family of Octopoda
  11220. Ocyurus
    snappers
  11221. oddments
    a motley assortment of things
  11222. odds and ends
    a motley assortment of things
  11223. Odobenidae
    walruses and extinct forms
  11224. Odobenus
    type genus of the Odobenidae: walruses
  11225. Odocoileus
    North American deer
  11226. Odonata
    dragonflies and damselflies
  11227. Odontaspididae
    sand sharks
  11228. Odontaspis
    type and sole genus of Carchariidae: sand sharks
  11229. Odontoceti
    toothed whales: dolphins
  11230. Odontophorus
    genus of Central and South American crested partridges resembling quails; sometimes placed in a distinct subfamily or isolated in a distinct family
  11231. Oecanthus
    tree crickets
  11232. oecumenism
    a movement promoting union between religions
  11233. Oedogoniaceae
    filamentous green algae
  11234. Oedogoniales
    simple or branched filamentous freshwater green algae
  11235. Oedogonium
    type genus of Oedogoniaceae
  11236. Oenanthe
    wheatears
  11237. Oenothera
    chiefly North American herbs with usually nocturnal flowers
  11238. Oestridae
    warble flies
  11239. Oestrus
    type genus of the Oestridae: sheep botflies
  11240. offence
    a lack of politeness
  11241. offense
    a failure to show regard for others
  11242. office
    place of business where professional duties are performed
  11243. Office of Inspector General
    the investigative arm of the Federal Trade Commission
  11244. Office of Intelligence Support
    agency that oversees the intelligence relationships of the Treasury's offices and bureaus and provides a link between the Intelligence Community and officials responsible for international economic policy
  11245. Office of Management and Budget
    the executive agency that advises the President on the federal budget
  11246. Office of Naval Intelligence
    the military intelligence agency that provides for the intelligence and counterintelligence and investigative and security requirements of the United States Navy
  11247. office staff
    professional or clerical workers in an office
  11248. officialdom
    people elected or appointed to administer a government
  11249. Ogcocephalidae
    batfishes: sluggish bottom-dwelling spiny fishes
  11250. OIG
    the investigative arm of the Federal Trade Commission
  11251. oil business
    an industry that produces and delivers oil and oil products
  11252. oil cartel
    a cartel of companies or nations formed to control the production and distribution of oil
  11253. oil company
    a company that sells oil
  11254. oil industry
    an industry that produces and delivers oil and oil products
  11255. Oireachtas
    the parliament of the Irish Republic
  11256. OIS
    agency that oversees the intelligence relationships of the Treasury's offices and bureaus and provides a link between the Intelligence Community and officials responsible for international economic policy
  11257. Okapia
    okapis
  11258. Old Bailey
    the central criminal court in London
  11259. old boy network
    an exclusive informal network linking members of a social class or profession or organization in order to provide connections and information and favors (especially in business or politics)
  11260. Old Catholic Church
    Catholic churches that broke away from the Roman Catholic Church in the 18th century
  11261. old growth
    forest or woodland having a mature or overly mature ecosystem more or less uninfluenced by human activity
  11262. old guard
    a faction that is unwilling to accept new ideas
  11263. old school
    a class of people favoring traditional ideas
  11264. Olea
    evergreen trees and shrubs having oily one-seeded fruits
  11265. Oleaceae
    trees and shrubs having berries or drupes or capsules as fruits; sometimes placed in the order Oleales: olive; ash; jasmine; privet; lilac
  11266. Oleales
    coextensive with the family Oleaceae
  11267. Oleandra
    or family Polypodiaceae: tropical epiphytic or terrestrial ferns
  11268. Oleandraceae
    one of a number of families into which Polypodiaceae has been subdivided in some classification systems
  11269. Olearia
    large genus of Australian evergreen shrubs or small trees with large daisylike flowers
  11270. oleaster family
    shrubs or small trees often armed
  11271. Olfersia
    genus of fern having only one species
  11272. oligarchy
    a political system governed by a few people
  11273. Oligochaeta
    earthworms
  11274. Oligoplites
    leatherjackets
  11275. Oligoporus
    a genus of fungi belonging to the family Polyporaceae
  11276. olive family
    trees and shrubs having berries or drupes or capsules as fruits; sometimes placed in the order Oleales: olive; ash; jasmine; privet; lilac
  11277. Omayyad
    the first dynasty of Arab caliphs whose capital was Damascus
  11278. OMB
    the executive agency that advises the President on the federal budget
  11279. Omega Centauri
    a global cluster in the constellation Centaurus
  11280. Ommiad
    the first dynasty of Arab caliphs whose capital was Damascus
  11281. omnium-gatherum
    a motley assortment of things
  11282. Omomyid
    extinct tiny nocturnal lower primates that fed on fruit and insects; abundant in North America and Europe 30 to 50 million years ago; probably gave rise to the tarsiers; some authorities consider them ancestral to anthropoids but others consider them only cousins
  11283. Omomyid group
    extinct tiny nocturnal lower primates that fed on fruit and insects; abundant in North America and Europe 30 to 50 million years ago; probably gave rise to the tarsiers; some authorities consider them ancestral to anthropoids but others consider them only cousins
  11284. Omphalotus
    a genus of fungi with a depressed disc in the cap
  11285. Onagraceae
    a large and widely distributed family of plants of the order Myrtales
  11286. oncogene
    a gene that disposes normal cells to change into cancerous tumor cells
  11287. Oncorhynchus
    Pacific salmon including sockeye salmon
  11288. Ondatra
    muskrats
  11289. one-man rule
    a form of government in which the ruler is an absolute dictator (not restricted by a constitution or laws or opposition etc.)
  11290. ONI
    the military intelligence agency that provides for the intelligence and counterintelligence and investigative and security requirements of the United States Navy
  11291. Oniscidae
    a family of Isopoda
  11292. Oniscus
    type genus of the Oniscidae
  11293. Onobrychis
    genus of Old World herbs having pinnate leaves and pink or whites racemose flowers followed by flat unjointed pods
  11294. Onoclea
    one species: sensitive fern
  11295. Ononis
    genus of European subshrubs or herbs having pink or purple or yellow solitary or clustered flowers: restharrow
  11296. Onopordon
    a genus of Eurasian herbs of the family Compositae with prickly foliage and large purplish flowers
  11297. Onopordum
    a genus of Eurasian herbs of the family Compositae with prickly foliage and large purplish flowers
  11298. Onosmodium
    a genus of North American perennial herbs of the family Boraginaceae
  11299. Onychium
    small terrestrial ferns of Old World tropics and subtropics: clawed ferns; sometimes placed in family Cryptogrammataceae
  11300. Onychogalea
    a genus of Macropodidae
  11301. Onychomys
    grasshopper mice
  11302. Onychophora
    enigmatic small elongated wormlike terrestrial invertebrates of damp dark habitats in warm regions; distinct from the phylum Annelida; resemble slugs with legs and are sometimes described as the missing link between arthropods and annelids
  11303. Oomycetes
    nonphotosynthetic fungi that resemble algae and that reproduce by forming oospores; sometimes classified as protoctists
  11304. Oort cloud
    (astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto; perturbations (as by other stars) can upset a comet's orbit and may send it tumbling toward the sun
  11305. OPCW
    international organization for chemical disarmament
  11306. OPEC
    an organization of countries formed in 1961 to agree on a common policy for the production and sale of petroleum
  11307. open house
    an informal party of people with hospitality for all comers
  11308. open order
    a military formation leaving enough space between ranks to allow an inspecting officer to pass
  11309. open shop
    a company whose workers are hired without regard to their membership in a labor union
  11310. open society
    a society that allows its members considerable freedom
  11311. Open University
    a British university that is open to people without formal academic qualifications and where teaching is by correspondence or broadcasting or summer school
  11312. open-end fund
    a regulated investment company with a pool of assets that regularly sells and redeems its shares
  11313. open-end investment company
    a regulated investment company with a pool of assets that regularly sells and redeems its shares
  11314. opera company
    a company that produces operas
  11315. operational cell
    a terrorist cell that performs clandestine activities
  11316. operator gene
    a gene that activates the production of messenger RNA by adjacent structural genes
  11317. Opheodrys
    North American green snakes
  11318. Ophidia
    snakes
  11319. Ophidiidae
    eellike marine fishes
  11320. Ophiodon
    a genus of Ophiodontidae
  11321. Ophiodontidae
    fishes closely related to greenlings
  11322. Ophioglossaceae
    a family of succulent ferns of order Ophioglossales
  11323. Ophioglossales
    coextensive with the family Ophioglossaceae
  11324. Ophioglossum
    the type genus of the fern family Ophioglossaceae
  11325. Ophiophagus
    king cobra
  11326. Ophisaurus
    glass lizards
  11327. Ophiurida
    brittle stars
  11328. Ophiuroidea
    brittle stars and basket stars
  11329. Ophrys
    a hardy genus of terrestrial orchids of Europe and northern Africa and western Asia
  11330. Opiliones
    harvestmen
  11331. Opisthobranchia
    gastropods having the gills when present posterior to the heart and having no operculum: includes sea slugs; sea butterflies; sea hares
  11332. Opisthocomidae
    comprising the hoatzins
  11333. Opisthocomus
    type genus of the Opisthocomidae: hoatzins
  11334. Opisthognathidae
    jawfishes
  11335. opposition
    being against something that you disapprove or disagree with
  11336. Opuntia
    large genus of cactuses native to America: prickly pears
  11337. Opuntiales
    coextensive with the family Cactaceae: cactuses
  11338. Orange Group
    a terrorist group of Protestants who oppose any political settlement with Irish nationalists; a paramilitary group that attacks Catholic interests in Northern Ireland
  11339. orange mushroom pimple
    a variety of mushroom pimple
  11340. Orange Order
    a Protestant political organization in Northern Ireland
  11341. orb-weaver
    spiders that spin orb webs; cosmopolitan in distribution
  11342. Orbignya
    palms of southern Mexico to northern South America: babassu palm
  11343. Orchestia
    type genus of the family Orchestiidae
  11344. Orchestiidae
    beach fleas
  11345. orchestra
    a musical organization consisting of instrumentalists
  11346. orchid family
    enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers
  11347. Orchidaceae
    enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers
  11348. Orchidales
    order of plants with irregular flowers having minute seeds: Orchidaceae; Burmanniaceae
  11349. Orcinus
    killer whales
  11350. order
    logical arrangement of different elements
  11351. order Acarina
    mites and ticks
  11352. order Actinaria
    sea anemones
  11353. order Actiniaria
    sea anemones
  11354. order Actinomycetales
    filamentous or rod-shaped bacteria
  11355. order Actinomyxidia
    parasites of worms
  11356. order Aepyorniformes
    huge extinct flightless birds: elephant birds
  11357. order Agaricales
    typical gilled mushrooms belonging to the subdivision Basidiomycota
  11358. order Alcyonaria
    corals and sea anemones having eight branches
  11359. order Alismales
    an order of aquatic monocotyledonous herbaceous plants
  11360. order Amoebida
    the animal order including amoebas
  11361. order Amoebina
    the animal order including amoebas
  11362. order Amphipoda
    small flat-bodied semiterrestrial crustaceans: whale lice
  11363. order Anacanthini
    at least partially equivalent to the order Gadiformes in some classifications
  11364. order Anaspida
    extinct order of jawless vertebrates
  11365. order Andreaeales
    comprises a single genus: Andreaea
  11366. order Anguilliformes
    elongate fishes with pelvic fins and girdle absent or reduced
  11367. order Anoplura
    sucking lice
  11368. order Anostraca
    small aquatic crustaceans lacking a carapace: fairy shrimps
  11369. order Anseriformes
    ducks; geese; swans; screamers
  11370. order Anthocerotales
    hornworts
  11371. order Anura
    frogs, toads, tree toads
  11372. order Aphyllophorales
    includes chiefly saprophytic fungi typically with shelflike bodies; sometimes placed in class Hymenomycetes or included in Agaricales
  11373. order Aplacophora
    an order of Amphineura
  11374. order Apodes
    elongate fishes with pelvic fins and girdle absent or reduced
  11375. order Apodiformes
    swifts; hummingbirds
  11376. order Apterygiformes
    a ratite bird order: flightless ground birds having vestigial wings and long bills and small eyes: kiwis
  11377. order Arales
    Araceae; Lemnaceae
  11378. order Araneae
    spiders
  11379. order Araneida
    spiders
  11380. order Aristolochiales
    order of plants distinguished by tubular petaloid perianth and inferior ovary
  11381. order Artiodactyla
    an order of hooved mammals of the subclass Eutheria (including pigs and peccaries and hippopotami and members of the suborder Ruminantia) having an even number of functional toes
  11382. order Aspergillales
    order of fungi having a closed ascocarp (cleistothecium) with the asci scattered rather than gathered in a hymenium
  11383. order Auriculariales
    coextensive with the family Auriculariaceae
  11384. order Batoidei
    fish with dorsoventrally flattened bodies
  11385. order Batrachia
    frogs, toads, tree toads
  11386. order Belemnoidea
    order of extinct dibranchiate cephalopods related to the surviving spirulas
  11387. order Bennettitales
    fossil gymnospermous plants of the Carboniferous
  11388. order Berycomorphi
    an order of spiny-finned fish in the superorder Acanthopterygii
  11389. order Blastocladiales
    fungi that carry out asexual reproduction by thick-walled resting spores that produce zoospores upon germination; sometimes placed in class Oomycetes
  11390. order Branchiura
    copepods with suctorial mouthparts; parasitic on fishes
  11391. order Bryales
    category used in some classification systems for mosses having the spore case separated from the capsule wall by a hollow intercellular space
  11392. order Campanulales
    an order of plants of the subclass Asteridae including: Campanulaceae; Lobeliaceae; Cucurbitaceae; Goodeniaceae; Compositae
  11393. order Caprimulgiformes
    goatsuckers; frogmouths; oilbirds
  11394. order Carnivora
    cats
  11395. order Caryophyllales
    corresponds approximately to the older group Centrospermae
  11396. order Casuariiformes
    a ratite bird order: cassowaries and emus
  11397. order Casuarinales
    order of chiefly Australian trees and shrubs comprising the casuarinas; 1 family: Casuarinaceae
  11398. order Caudata
    salamanders; newts; congo snakes
  11399. order Cestida
    ctenophore having short tentacles; one family
  11400. order Cetacea
    an order of Eutheria
  11401. order Charadriiformes
    large diverse order of aquatic birds found along seacoasts and inland waters: shorebirds and coastal diving birds; most feed on anima life
  11402. order Charales
    small order of macroscopic fresh and brackish water algae with a distinct axis: stoneworts
  11403. order Chelonethida
    false scorpions
  11404. order Chelonia
    tortoises and turtles
  11405. order Chiroptera
    an old order dating to early Eocene: bats: suborder Megachiroptera (fruit bats); suborder Microchiroptera (insectivorous bats)
  11406. order Chlorococcales
    unicellular green algae that reproduce by spores
  11407. order Chytridiales
    simple aquatic fungi mostly saprophytic but some parasitic on higher plants or animals or fresh water fungi; sometimes placed in class Oomycetes
  11408. order Ciconiiformes
    order of chiefly tropical marsh-dwelling fish-eating wading birds with long legs and bills and (except for flamingos) unwebbed feet: herons; storks; spoonbills; flamingos; ibises
  11409. order Cilioflagellata
    in some classifications considered a phylum of the kingdom Protista; in others included in the plant phylum Pyrrophyta
  11410. order Coccidia
    an order in the subclass Telosporidia
  11411. order Coleoptera
    beetles
  11412. order Collembola
    minute wingless arthropods: springtails
  11413. order Columbiformes
    sand grouse; pigeons; doves; extinct dodos and solitaires
  11414. order Colymbiformes
    grebes
  11415. order Commelinales
    an order of monocotyledonous herbs
  11416. order Coniferales
    profusely branching and chiefly evergreen trees and some shrubs having narrow or needlelike leaves
  11417. order Conodonta
    extinct order of primitive vertebrates
  11418. order Conodontophorida
    extinct order of primitive vertebrates
  11419. order Coraciiformes
    rollers
  11420. order Cordaitales
    extinct plants having tall arborescent trunks comparable to or more advanced than cycads; known from the Pennsylvanian period; probably extinct since the Mesozoic era
  11421. order Corrodentia
    an order of insects: includes booklice and bark-lice
  11422. order Crocodilia
    crocodiles; alligators; caimans; gavials
  11423. order Crocodylia
    crocodiles; alligators; caimans; gavials
  11424. order Cuculiformes
    cuckoos; touracos; etc.
  11425. order Cycadales
    primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms
  11426. order Cycadofilicales
    fossil gymnospermous trees or climbing plants from the Devonian: seed ferns
  11427. order Cyclostomata
    primitive jawless aquatic vertebrate: lampreys; hagfishes
  11428. order Cydippea
    ctenophores having two long pinnate tentacles
  11429. order Cydippida
    ctenophores having two long pinnate tentacles
  11430. order Cydippidea
    ctenophores having two long pinnate tentacles
  11431. order Cypriniformes
    an order of animals including almost entirely freshwater fishes: characins; loaches; carp; suckers; sometimes classified as a suborder of Ostariophysi
  11432. order Decapoda
    lobsters; crayfish; crabs; shrimps; prawns
  11433. order Dermaptera
    earwigs and a few related forms
  11434. order Dermoptera
    flying lemurs
  11435. order Diapensiales
    used in some classifications: coextensive with family Diapensiaceae
  11436. order Dicranales
    widely distributed order of mosses with erect gametophores and sporophytes at the tips of stems
  11437. order Dictyoptera
    in some classifications replaced by the orders (here suborders) Blattodea (cockroaches) and Manteodea (mantids); in former classifications often subsumed under a much broader order Orthoptera
  11438. order Dinocerata
    small order of primitive ungulates of the Paleocene and Eocene
  11439. order Dinoflagellata
    in some classifications considered a phylum of the kingdom Protista; in others included in the plant phylum Pyrrophyta
  11440. order Dinornithiformes
    a ratite bird order: recently extinct flightless birds of New Zealand
  11441. order Diptera
    a large order of insects having a single pair of wings and sucking or piercing mouths; includes true flies and mosquitoes and gnats and crane flies
  11442. order Discocephali
    small order of fishes comprising the remoras
  11443. order Ebenales
    trees or shrubs of the families Ebenaceae or Sapotaceae or Styracaceae or Symplocaceae
  11444. order Edentata
    order of mammals having few or no teeth including: New World anteaters; sloths; armadillos
  11445. order Embiodea
    web spinners
  11446. order Embioptera
    web spinners
  11447. order Endomycetales
    fungi having a zygote or a single cell developing directly into an ascus
  11448. order Entomophthorales
    coextensive with the family Entomophthoraceae
  11449. order Ephemerida
    mayflies
  11450. order Ephemeroptera
    mayflies
  11451. order Equisetales
    lower tracheophytes in existence since the Devonian
  11452. order Ericales
    Ericaceae
  11453. order Erysiphales
    saprophytic and parasitic fungi that live on plants
  11454. order Eubacteriales
    one of two usually recognized orders of true bacteria
  11455. order Eubryales
    mosses with perennial erect gametophores and stems with rows of leaves and drooping capsules
  11456. order Euphausiacea
    small commonly luminescent crustaceans
  11457. order Eurotiales
    order of fungi having a closed ascocarp (cleistothecium) with the asci scattered rather than gathered in a hymenium
  11458. order Eurypterida
    extinct aquatic arthropods of the Paleozoic
  11459. order Exocycloida
    flat sea urchins
  11460. order Fagales
    an order of dicotyledonous trees of the subclass Hamamelidae
  11461. order Falconiformes
    chiefly diurnal carnivorous birds having hooked beaks and long talons with opposable hind toe: falcons; hawks; eagles; ospreys; caracaras; vultures
  11462. order Filicales
    true (leptosporangiate) ferns
  11463. order Foraminifera
    foraminifers
  11464. order Fucales
    coextensive with the family Fucaceae
  11465. order Gadiformes
    cods, haddocks, grenadiers
  11466. order Galliformes
    pheasants
  11467. order Ganoidei
    a group of mostly extinct primitive bony fishes characterized by armor-like bony scales
  11468. order Gaviiformes
    large aquatic birds: loons and some extinct forms
  11469. order Gentianales
    an order of dicotyledonous plants having gamopetalous flowers; Gentianaceae; Apocynaceae; Asclepiadaceae; Loganiaceae; Oleaceae; Salvadoraceae
  11470. order Geophilomorpha
    small elongate centipedes living in soil and under stones and having more than 30 pairs of legs
  11471. order Geraniales
    an order of plants of subclass Rosidae including geraniums and many other plants; see Euphorbiaceae; Geraniaceae; Rutaceae; Malpighiaceae; Simaroubaceae; Meliaceae; Zygophyllaceae; Tropaeolaceae
  11472. order Ginkgoales
    coextensive with the family Ginkgoaceae: plants that first appeared in the Permian and now represented by a single surviving species; often included in Coniferales
  11473. order Gnetales
    chiefly tropical or xerophytic woody plants
  11474. order Graminales
    grasses; sedges; rushes
  11475. order Gregarinida
    an order in the subclass Telosporidia
  11476. order Gruiformes
    inland marsh-dwelling birds with long legs and necks and bills that wade in water in search of food: cranes; rails; bustards
  11477. order Guttiferales
    used in some classifications; coextensive with Parietales
  11478. order Gymnophiona
    an order of amphibians including caecilians
  11479. order Haemosporidia
    an order in the subclass Telosporidia
  11480. order Haplosporidia
    an order in the subclass Acnidosporidia
  11481. order Heliozoa
    mostly freshwater protozoa
  11482. order Helotiales
    order of fungi having asci in a disk-shaped to goblet-shaped apothecium
  11483. order Hemiptera
    plant bugs
  11484. order Heterosomata
    flatfishes: halibut
  11485. order Heterotrichales
    yellow-green algae with simple or branching filaments
  11486. order Hymenogastrales
    an order of fungi belonging to the class Gasteromycetes
  11487. order Hymenoptera
    an order of insects including: bees
  11488. order Hypericales
    a large order of dicotyledonous plants of subclass Dilleniidae
  11489. order Hypermastigina
    cellulose-producing flagellates
  11490. order Hypocreales
    used in some classifications for the family Hypocreaceae
  11491. order Hyracoidea
    hyraxes and some extinct animals
  11492. order Ichthyosauria
    extinct marine reptiles: ichthyosaurs
  11493. order Ictodosauria
    extinct reptiles of the later Triassic period
  11494. order Insectivora
    shrews; moles; hedgehogs; tenrecs
  11495. order Insessores
    a bird with feet adapted for perching
  11496. order Isoetales
    aquatic or marsh-growing fern allies
  11497. order Isopoda
    woodlice
  11498. order Isoptera
    order of social insects that live in colonies, including: termites; often placed in subclass Exopterygota
  11499. order Isospondyli
    most primitive teleost fishes
  11500. order Juglandales
    coextensive with the family Juglandaceae
  11501. order Jungermanniales
    large order of chiefly tropical liverworts
  11502. order Lagomorpha
    rabbits
  11503. order Laminariales
    in some classifications coextensive with family Laminariaceae: marine brown algae of cold or polar seas
  11504. order Lechanorales
    category used in some classification systems for all lichens that produce apothecia
  11505. order Lepidodendrales
    fossil arborescent plants arising during the early Devonian and conspicuous throughout the Carboniferous
  11506. order Lepidoptera
    moths and butterflies
  11507. order Lichenales
    category used especially in former classifications for organisms now constituting the division Lichenes
  11508. order Liliales
    an order of monocotyledonous plants including Amaryllidaceae and Liliaceae and Iridaceae
  11509. order Lobata
    ctenophore having tentacles only in the immature stage
  11510. order Loricata
    former name for the order Crocodylia
  11511. order Lycoperdales
    small order of basidiomycetous fungi having fleshy often globose fruiting bodies; includes puffballs and earthstars
  11512. order Lycopodiales
    lower vascular plants coextensive with the family Lycopodiaceae; in some classifications includes the Selaginellaceae and Isoetaceae
  11513. order Lyginopteridales
    fossil gymnospermous trees or climbing plants from the Devonian: seed ferns
  11514. order Madreporaria
    stony corals
  11515. order Mallophaga
    biting lice
  11516. order Malvales
    Malvaceae
  11517. order mantophasmatodea
    an order of insect identified in 2002 in a 45 million year old piece of amber from the Baltic region
  11518. order Marattiales
    lower ferns coextensive with the family Marattiaceae
  11519. order Marchantiales
    liverworts with gametophyte differentiated internally
  11520. order Marsupialia
    coextensive with the subclass Metatheria
  11521. order Mecoptera
    an order of carnivorous insects usually having long membranous wings and long beaklike heads with chewing mouths at the tip
  11522. order Moniliales
    order of imperfect fungi lacking conidiophores of having conidiophores that are superficial and not enclosed in a pycnidium
  11523. order Monotremata
    coextensive with the subclass Prototheria
  11524. order Mucorales
    an order of mostly saprophytic fungi
  11525. order Musales
    tropical plants
  11526. order Myaceae
    clams
  11527. order Mycelia Sterilia
    order of imperfect fungi having no known spore stage
  11528. order Mycoplasmatales
    coextensive with the family Mycoplasmataceae
  11529. order Mycrosporidia
    an order in the subclass Cnidosporidia
  11530. order Myricales
    coextensive with the family Myricaceae
  11531. order Myrtales
    Myrtaceae
  11532. order Mysidacea
    opossum shrimp
  11533. order Myxobacterales
    an order of higher bacteria
  11534. order Myxobacteria
    an order of higher bacteria
  11535. order Myxobacteriales
    an order of higher bacteria
  11536. order Myxosporidia
    an order in the subclass Cnidosporidia
  11537. order Naiadales
    an order of aquatic monocotyledonous herbaceous plants
  11538. order Neuroptera
    an order of insects including: lacewings
  11539. order Nidulariales
    small order of basidiomycetous fungi comprising families Nidulariaceae and Sphaerobolaceae
  11540. order Notostraca
    small freshwater crustaceans with a shield-shaped carapace
  11541. order Nudibranchia
    comprising numerous marine gastropod mollusks lacking a shell in the adult state and usually having a body like a slug
  11542. order Octopoda
    octopuses and paper nautilus
  11543. order Odonata
    dragonflies and damselflies
  11544. order oedogoniales
    simple or branched filamentous freshwater green algae
  11545. Order of Our Lady of Mount Carmel
    a Roman Catholic mendicant order founded in the 12th century
  11546. order of Saint Benedict
    a Roman Catholic monastic order founded in the 6th century
  11547. order Oleales
    coextensive with the family Oleaceae
  11548. order Ophioglossales
    coextensive with the family Ophioglossaceae
  11549. order Opiliones
    harvestmen
  11550. order Opuntiales
    coextensive with the family Cactaceae: cactuses
  11551. order Orchidales
    order of plants with irregular flowers having minute seeds: Orchidaceae; Burmanniaceae
  11552. order Ornithischia
    extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)
  11553. order Orthoptera
    grasshoppers and locusts; crickets
  11554. Order Osteoglossiformes
    teleost fish with bony tongues
  11555. order Ostracodermi
    extinct group of armored jawless vertebrates
  11556. order Palmales
    coextensive with the family Palmae: palms
  11557. order Pandanales
    families Typhaceae; Sparganiaceae; Pandanaceae
  11558. order Papaverales
    an order of dicotyledonous plants
  11559. order Parietales
    a large order of dicotyledonous plants of subclass Dilleniidae
  11560. order Passeriformes
    largest order of birds comprising about half the known species; rooks; finches; sparrows; tits; warblers; robins; wrens; swallows; etc.; the four suborders are Eurylaimi and Tyranni and Menurae and Oscines or Passeres
  11561. order Pectinibranchia
    large order of gastropods comprising univalve mollusks that have a single gill resembling a comb
  11562. order Pediculati
    anglers and batfishes
  11563. order Pedipalpi
    whip scorpions
  11564. order Pelecaniformes
    pelicans; frigate birds; gannets; cormorants
  11565. order Pelycosauria
    edaphosaurus; dimetrodon
  11566. order Perciformes
    one of the largest natural groups of fishes of both marine and fresh water: true perches; basses; tuna
  11567. order Percomorphi
    one of the largest natural groups of fishes of both marine and fresh water: true perches; basses; tuna
  11568. order Perissodactyla
    nonruminant ungulates: horses
  11569. order Peronosporales
    order of chiefly parasitic lower fungi: Albuginaceae and Peronosporaceae and Pythiaceae
  11570. order Pezizales
    order of mostly saprophytic fungi having cup-shaped ascocarps
  11571. order Phalangida
    harvestmen
  11572. order Phallales
    order of fungi comprising the stinkhorns and related forms whose mature hymenium is slimy and fetid; sometimes placed in subclass Homobasidiomycetes
  11573. order Phasmatodea
    in some classifications considered a suborder of Orthoptera: stick insects; leaf insects
  11574. order Phasmida
    in some classifications considered a suborder of Orthoptera: stick insects; leaf insects
  11575. order Pholidota
    pangolins
  11576. order Picariae
    term used in some classifications as nearly equivalent to the order Coraciiformes
  11577. order Piciformes
    woodpeckers
  11578. order Piperales
    Piperaceae; Saururaceae; Chloranthaceae
  11579. order Plantaginales
    coextensive with the family Plantaginaceae
  11580. order Platyctenea
    an order of Tentaculata
  11581. order Plecoptera
    stoneflies
  11582. order Plectognathi
    boxfishes
  11583. order Pleuronectiformes
    flatfishes: halibut
  11584. order Plumbaginales
    coextensive with the family Plumbaginaceae
  11585. order Podicipediformes
    grebes
  11586. order Podicipitiformes
    grebes
  11587. order Polemoniales
    Polemoniaceae
  11588. order Polygonales
    coextensive with the family Polygonaceae,
  11589. order Polymastigina
    small usually parasitic flagellates
  11590. order Polypodiales
    true (leptosporangiate) ferns
  11591. order Primates
    an animal order including lemurs and tarsiers and monkeys and apes and human beings
  11592. order Primulales
    Primulaceae
  11593. order Proboscidea
    an order of animals including elephants and mammoths
  11594. order Procellariiformes
    petrels; albatrosses; shearwaters; diving petrels
  11595. order Proteales
    coextensive with the family Proteaceae
  11596. order Protura
    minute wingless arthropods: telsontails
  11597. order Pseudomonadales
    one of two usually recognized orders of true bacteria
  11598. order Pseudoscorpiones
    false scorpions
  11599. order Pseudoscorpionida
    false scorpions
  11600. order Psilophytales
    Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants
  11601. order Psilotales
    lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots
  11602. order Psittaciformes
    an order of birds including parrots and amazons and cockatoos and lorikeets and lories and macaws and parakeets
  11603. order Psocoptera
    an order of insects: includes booklice and bark-lice
  11604. order Pterosauria
    extinct flying reptiles: pterosaurs
  11605. order Pulmonata
    large order of gastropods usually breathing by means of a lung-like sac comprising most land snails and slugs and many freshwater snails
  11606. order Pycnogonida
    sea spiders
  11607. order Radiolaria
    marine protozoa
  11608. order Rajiformes
    fish with dorsoventrally flattened bodies
  11609. order Ranales
    herbs, shrubs and trees: includes families Ranunculaceae
  11610. order Ranunculales
    herbs, shrubs and trees: includes families Ranunculaceae
  11611. order Raptores
    term used in former classifications
  11612. order Rhamnales
    an order of dicotyledonous plants
  11613. order Rheiformes
    a ratite bird order: birds intermediate in characteristics between ostriches and emus: recent and extinct rheas
  11614. order Rhoeadales
    an order of dicotyledonous plants
  11615. order Rhynchocephalia
    tuataras; extinct forms from middle Triassic
  11616. order Rickettsiales
    pleomorphic Gram-negative microorganisms
  11617. order Rodentia
    small gnawing animals: porcupines
  11618. order Rosales
    in some classifications this category does not include Leguminosae
  11619. order Rubiales
    an order of dicotyledonous plants of the subclass Asteridae
  11620. order Salicales
    coextensive with the family Salicaceae
  11621. order Salientia
    frogs, toads, tree toads
  11622. order Santalales
    order of plants distinguished by having a one-celled inferior ovary; many are parasitic or partly parasitic usually on roots
  11623. order Sapindales
    an order of dicotyledonous plants
  11624. order Saprolegniales
    order of chiefly aquatic fungi
  11625. order Sarcosporidia
    imperfectly known parasites of the muscles of vertebrates
  11626. order Sarraceniales
    plants that are variously modified to serve as insect traps: families Sarraceniaceae; Nepenthaceae; Droseraceae
  11627. order Saurischia
    extinct terrestrial reptiles: theropods ; sauropods
  11628. order Sauropterygia
    extinct marine reptiles: plesiosaurs; nothosaurs
  11629. order Scandentia
    a small order comprising only the tree shrews: in some classifications tree shrews are considered either primates (and included in the suborder Prosimii) or true insectivores (and included in the order Insectivora)
  11630. order Sclerodermatales
    an order of fungi having a peridium surrounding a gleba
  11631. order Scleroparei
    scorpionfishes
  11632. order Scorpionida
    true scorpions
  11633. order Scrophulariales
    used in some classification systems
  11634. order Secotiales
    an order of fungi belonging to the class Gasteromycetes
  11635. order Selaginellales
    in some classifications included in Lycopodiales
  11636. order Siluriformes
    an order of fish belonging to the superorder Malacopterygii including catfishes
  11637. order Siphonaptera
    fleas
  11638. order Siphonophora
    marine colonial hydrozoans
  11639. order Sirenia
    an animal order including: manatees
  11640. order Solenichthyes
    bellows fishes
  11641. order Solenogastres
    an order of Amphineura
  11642. order Spatangoida
    heart-shaped sea urchins
  11643. order Sphaeriales
    large order of ascomycetous fungi usually having a dark hard perithecia with definite ostioles; in more recent classifications often divided among several orders
  11644. order Sphaerocarpales
    small order sometimes included in the order Jungermanniales
  11645. order Sphagnales
    coextensive with the genus Sphagnum
  11646. order Sphenisciformes
    penguins
  11647. order Spirochaetales
    higher bacteria; slender spiral rodlike forms
  11648. order Squamata
    diapsid reptiles: snakes and lizards
  11649. order Stegocephalia
    in former classifications a division of class Amphibia comprising all pre-Jurassic and some later extinct large salamandriform amphibia
  11650. order Stereospondyli
    formerly a suborder of Stegocephalia
  11651. order Stomatopoda
    mantis shrimps
  11652. order Strigiformes
    owls
  11653. order Struthioniformes
    a ratite bird order: ostriches and related extinct birds
  11654. order Synentognathi
    order of fishes having spineless fins
  11655. order Taxales
    coextensive with the family Taxaceae: yews
  11656. order Temnospondyli
    formerly a suborder of Stegocephalia
  11657. order Testacea
    testacean rhizopods
  11658. order Testudinata
    tortoises and turtles
  11659. order Testudines
    tortoises and turtles
  11660. order Tetraodontiformes
    boxfishes
  11661. order Thecodontia
    extinct terrestrial reptiles having teeth set in sockets
  11662. order Therapsida
    extinct mammal-like reptiles found inhabiting all continents from the mid Permian to late Triassic
  11663. order Thymelaeales
    Myrtaceae
  11664. order Thysanoptera
    thrips
  11665. order Thysanura
    firebrats; silverfish; machilids
  11666. order Tinamiformes
    coextensive with the family Tinamidae
  11667. order Torpediniformes
    rays with bodies shaped like torpedoes
  11668. order Tremellales
    fungi varying from gelatinous to waxy or even horny in texture; most are saprophytic
  11669. order Trichoptera
    an order of insects consisting of caddis flies
  11670. order Trogoniformes
    trogons
  11671. order Tuberales
    small order of fungi belonging to the subdivision Ascomycota having closed underground ascocarps
  11672. order Tubulidentata
    an order of Eutheria
  11673. order Tulostomatales
    an order of fungi belonging to the class Gasteromycetes
  11674. order Ulvales
    an order of protoctist
  11675. order Umbellales
    plants having umbels or corymbs of uniovulate flowers
  11676. order Uredinales
    rust fungi: parasitic fungi causing rust in plants
  11677. order Urodella
    salamanders; newts; congo snakes
  11678. order Uropygi
    whip scorpions
  11679. order Urticales
    an order of dicotyledonous plants including Moraceae and Urticaceae and Ulmaceae
  11680. order Ustilaginales
    parasitic fungi causing smuts
  11681. order Volvocales
    chiefly freshwater green algae; solitary or colonial
  11682. order Xiphosura
    horseshoe crabs and extinct forms
  11683. order Xyridales
    an order of monocotyledonous herbs
  11684. order Zeomorphi
    dories
  11685. order Zygnemales
    pond scums; desmids
  11686. order Zygnematales
    pond scums; desmids
  11687. order-Chenopodiales
    corresponds approximately to the older group Centrospermae
  11688. ordering
    the act of putting things in a sequential arrangement
  11689. ordination
    the act of conferring holy orders
  11690. Ordnance Survey
    the official cartography agency of the British government
  11691. Oreamnos
    mountain goats
  11692. Orectolobidae
    nurse sharks and carpet sharks
  11693. Orectolobus
    carpet sharks
  11694. Oreopteris
    3 species of ferns formerly included in genus Dryopteris or Thelypteris
  11695. Oreortyx
    mountain quail of western United States
  11696. organ
    a structure in an animal specialized for some function
  11697. organisation
    an ordered manner
  11698. organism
    a living thing that can act or function independently
  11699. organization
    a methodical and orderly manner or approach
  11700. Organization for the Prohibition of Chemical Weapons
    international organization for chemical disarmament
  11701. Organization of American States
    an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation
  11702. Organization of Petroleum-Exporting Countries
    an organization of countries formed in 1961 to agree on a common policy for the production and sale of petroleum
  11703. Organization of the Oppressed on Earth
    a Shiite terrorist organization with strong ties to Iran
  11704. organized crime
    underworld organizations
  11705. organized labor
    employees who are represented by a labor union
  11706. organized religion
    an institution to express belief in a divine power
  11707. Orient
    the countries of Asia
  11708. origin
    the place where something begins
  11709. Oriolidae
    Old World orioles
  11710. Oriolus
    type genus of the Oriolidae
  11711. Orites
    small genus of Australian shrubs or trees
  11712. Orly Group
    a militant Marxist-Leninist terrorist organization formed in 1975 to force Turkey to acknowledge killing more than a million Armenians and forcibly removing them from border areas in 1915; wants Turkey to pay reparations and cede territory to Armenia
  11713. Ormosia
    genus of tropical shrubs and trees having usually odd-pinnate leaves with large leaflets and pink to reddish wood
  11714. Ornithischia
    extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)
  11715. Ornithogalum
    sometimes placed in family Hyacinthaceae
  11716. Ornithomimida
    lightly built medium-size theropods
  11717. Ornithopoda
    widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon)
  11718. Ornithorhynchidae
    platypus
  11719. Ornithorhynchus
    type genus of the family Ornithorhynchidae
  11720. Orobanchaceae
    brown or yellow leafless herbs
  11721. Orontium
    one species of aquatic plant: golden club
  11722. Ortalis
    chachalacas
  11723. Orthilia
    a shrubby perennial rhizomatous evergreen herb
  11724. Orthodox Catholic Church
    derived from the Byzantine Church and adhering to Byzantine rites
  11725. Orthodox Church
    derived from the Byzantine Church and adhering to Byzantine rites
  11726. Orthodox Judaism
    beliefs and practices of a Judaic sect that strictly observes Mosaic law
  11727. Orthopristis
    a genus of Haemulidae
  11728. Orthoptera
    grasshoppers and locusts; crickets
  11729. Orthotomus
    tailorbirds
  11730. Orycteropodidae
    aardvarks
  11731. Orycteropus
    coextensive with the family Orycteropodidae
  11732. Oryctolagus
    Old World rabbits
  11733. Oryza
    rice
  11734. Oryzomys
    rice rats
  11735. Oryzopsis
    rice grass
  11736. Oscillatoriaceae
    blue green algae
  11737. Oscines
    two names for the suborder of typical songbirds
  11738. OSHA
    a government agency in the Department of Labor to maintain a safe and healthy work environment
  11739. Osmanthus
    widely distributed genus of evergreen shrubs or trees of southern United States and Middle East and China and Japan
  11740. Osmeridae
    smelts
  11741. Osmerus
    type genus of the Osmeridae
  11742. Osmundaceae
    large family of ferns widely distributed in temperate and tropical areas
  11743. Osteichthyes
    a class of fish having a skeleton composed of bone in addition to cartilage
  11744. Osteoglossidae
    a family of large fishes that live in freshwater
  11745. Osteoglossiformes
    teleost fish with bony tongues
  11746. Osteostraci
    extinct group of armored fish-like vertebrates
  11747. Ostraciidae
    boxfishes
  11748. Ostracoda
    seed shrimps
  11749. Ostracodermi
    extinct group of armored jawless vertebrates
  11750. Ostrea
    type genus of the family Ostreidae
  11751. Ostreidae
    oysters
  11752. Ostrya
    deciduous monoecious trees of Europe and Asia and America
  11753. Ostryopsis
    deciduous monoecious shrubs of China and Mongolia resembling trees of the genus Ostrya; sometimes placed in subfamily or family Carpinaceae
  11754. Otaria
    type genus of the Otariidae
  11755. Otariidae
    eared seals: sea lions and fur seals
  11756. Otides
    terrestrial game birds of the Old World and Australia: bustards
  11757. Otididae
    bustards
  11758. Otis
    United States inventor who manufactured the first elevator with a safety device (1811-1861)
  11759. Ottoman
    of or relating to the Ottoman Empire or its people or its culture
  11760. Ottoman dynasty
    the Turkish dynasty that ruled the Ottoman Empire from the 13th century to its dissolution after World War I
  11761. Otus
    a genus of Strigidae
  11762. Ouranopithecus
    a genus of Hominidae
  11763. outfit
    a set of clothing
  11764. outpost
    a military post stationed at a distance from the main body of troops
  11765. OV
    a terrorist group of Protestants who oppose any political settlement with Irish nationalists; a paramilitary group that attacks Catholic interests in Northern Ireland
  11766. Ovalipes
    a genus of Portunidae
  11767. overhead railway
    a railway that is powered by electricity and that runs on a track that is raised above the street level
  11768. overpopulation
    too many individuals of a given species
  11769. Ovibos
    consisting of the musk-ox
  11770. Ovimbundu
    an ethnic group speaking Umbundu and living in western Angola
  11771. Ovis
    sheep
  11772. Oxalidaceae
    a family of widely distributed herbs of the order Geraniales
  11773. Oxandra
    genus of tropical trees
  11774. Oxford movement
    19th-century movement in the Church of England opposing liberal tendencies
  11775. Oxybelis
    vine snakes
  11776. Oxydendrum
    sourwood
  11777. Oxylebius
    a genus of Hexagrammidae
  11778. Oxytropis
    large widely-distributed genus of evergreen shrubs or subshrubs having odd-pinnate leaves and racemose or spicate flowers each having a pea-like corolla with a clawed petal
  11779. Oxyura
    ruddy duck
  11780. Oxyuranus
    taipans
  11781. Oxyuridae
    pinworms
  11782. Ozonium
    form genus of imperfect fungi
  11783. Ozothamnus
    genus of Australian shrubs and perennial herbs
  11784. PAC
    a group that raises money and distributes it for elections
  11785. Pachycephala
    arboreal insectivorous birds
  11786. Pachyrhizus
    small genus of tropical vines having tuberous roots
  11787. pack
    a convenient package or parcel (as of cigarettes or film)
  11788. pack of cards
    a pack of 52 playing cards
  11789. package
    a wrapped container
  11790. packaging company
    a company that packages goods for sale or shipment or storage
  11791. packaging concern
    a company that packages goods for sale or shipment or storage
  11792. Packera
    genus of American of east Asian perennial herbs with yellow to orange or red flower rays; sometimes included in genus Senecio
  11793. packet
    a small package or bundle
  11794. Padda
    a genus of Ploceidae
  11795. Paeonia
    peonies: herbaceous or shrubby plants having showy flowers
  11796. Paeoniaceae
    perennial rhizomatous herbs and shrubs
  11797. PAGAD
    a terrorist organization in South Africa formed in 1996 to fight drug lords; evolved into a vigilante group with anti-western views closely allied with Qibla; is believed to have ties to Islamic extremists in the Middle East; is suspected of conducting bouts of urban terrorism
  11798. Pagellus
    sea breams
  11799. Pagophila
    a genus of Laridae
  11800. Pagophilus
    harp seals
  11801. Pagrus
    a genus of Sparidae
  11802. Paguridae
    hermit crabs
  11803. Pagurus
    type genus of the family Paguridae
  11804. Painted Desert
    a desert on a high plateau in northeastern Arizona
  11805. pair
    a set of two similar things considered as a unit
  11806. palace
    the official home of a king, queen, or other exalted person
  11807. Palaemon
    type genus of the family Palaemonidae
  11808. Palaemonidae
    prawns
  11809. Palaquium
    large genus of Malaysian trees with milky juice and leathery leaves
  11810. Paleacrita
    geometrid moths
  11811. Paleo-American culture
    the prehistoric culture of the earliest human inhabitants of North America and South America
  11812. Paleo-Amerind culture
    the prehistoric culture of the earliest human inhabitants of North America and South America
  11813. Paleo-Indian culture
    the prehistoric culture of the earliest human inhabitants of North America and South America
  11814. Palestine Authority
    combines the Gaza Strip and the West Bank under a political unit with limited autonomy and a police force; created in 1993 by an agreement between Israel and the PLO
  11815. Palestine Islamic Jihad
    a militant Palestinian terrorist group created in 1979 and committed to the creation of an Islamic state in Palestine and to the destruction of Israel; smaller and more exclusively militant that Hamas
  11816. Palestine Liberation Front
    a terrorist group formed in 1977 as the result of a split with the Popular Front for the Liberation of Palestine; became a satellite of al-Fatah; made terrorist attacks on Israel across the Lebanese border
  11817. Palestine Liberation Organization
    a political movement uniting Palestinian Arabs in an effort to create an independent state of Palestine; when formed in 1964 it was a terrorist organization dominated by Yasser Arafat's al-Fatah; in 1968 Arafat became chairman; received recognition by the United Nations and by Arab states in 1974 as a government in exile; has played a largely political role since the creation of the Palestine National Authority
  11818. Palestine National Authority
    combines the Gaza Strip and the West Bank under a political unit with limited autonomy and a police force; created in 1993 by an agreement between Israel and the PLO
  11819. Palestinian Hizballah
    a little known Palestinian group comprised of members of Hamas and Tanzim with suspected ties to the Lebanese Hizballah; responsible for suicide bombings in Israel
  11820. Palestinian Islamic Jihad
    a militant Palestinian terrorist group created in 1979 and committed to the creation of an Islamic state in Palestine and to the destruction of Israel; smaller and more exclusively militant that Hamas
  11821. Palestinian National Authority
    combines the Gaza Strip and the West Bank under a political unit with limited autonomy and a police force; created in 1993 by an agreement between Israel and the PLO
  11822. Palinuridae
    spiny lobsters
  11823. Palinurus
    type genus of the family Palinuridae
  11824. Paliurus
    thorny Eurasian shrubs
  11825. palm family
    chiefly tropical trees and shrubs and vines usually having a tall columnar trunk bearing a crown of very large leaves; coextensive with the order Palmales
  11826. Palmaceae
    chiefly tropical trees and shrubs and vines usually having a tall columnar trunk bearing a crown of very large leaves; coextensive with the order Palmales
  11827. Palmae
    chiefly tropical trees and shrubs and vines usually having a tall columnar trunk bearing a crown of very large leaves; coextensive with the order Palmales
  11828. Palmales
    coextensive with the family Palmae: palms
  11829. Pan
    god of fields and woods and shepherds and flocks
  11830. Pan American Union
    the administrative agency of the Organization of American States
  11831. Panax
    perennial herbs of eastern North America and Asia having aromatic tuberous roots: ginseng
  11832. panchayat
    a village council in India or southern Pakistan
  11833. panchayet
    a village council in India or southern Pakistan
  11834. Pandanaceae
    family of woody plants of the order Pandanales including pandanus
  11835. Pandanales
    families Typhaceae; Sparganiaceae; Pandanaceae
  11836. Pandion
    type genus of the Pandionidae
  11837. Pandionidae
    ospreys
  11838. panel
    sheet that forms a distinct section of something
  11839. Panicum
    panic grass
  11840. Panonychus
    a genus of Tetranychidae
  11841. panoply
    a complete and impressive array
  11842. Panorpidae
    a family of insects of the order Mecoptera
  11843. pantheon
    a temple to all the gods of antiquity
  11844. Panthera
    lions
  11845. Pantotheria
    generalized extinct mammals widespread during the Jurassic
  11846. papacy
    the government of the Roman Catholic Church
  11847. Papaver
    type genus of the Papaveraceae
  11848. Papaveraceae
    herbs or shrubs having milky and often colored juices and capsular fruits
  11849. Papaverales
    an order of dicotyledonous plants
  11850. papaya family
    trees native to tropical America and Africa with milky juice and large palmately lobed leaves
  11851. paper
    a material made of cellulose pulp derived mainly from wood or rags or certain grasses
  11852. Paphiopedilum
    horticulturally important genus of mainly terrestrial orchids including many hybrids; southeastern Asia and Indonesia to Philippines and Solomon Islands; Paphiopedilum species sometimes included in genus Cypripedium
  11853. Papilionaceae
    leguminous plants whose flowers have butterfly-shaped corollas; commonly included in the family Leguminosae
  11854. Papilionoideae
    alternative name used in some classification systems for the family Papilionaceae
  11855. Papio
    baboons
  11856. Paprilus
    a genus of Stromateidae
  11857. Paracheirodon
    a genus of Characidae
  11858. parade
    a ceremonial procession including people marching
  11859. paradigm
    a standard or typical example
  11860. Paradisaeidae
    birds of paradise
  11861. Paradoxurus
    palm civets
  11862. Paralichthys
    a genus of Bothidae
  11863. Paralithodes
    a genus of Lithodidae
  11864. paramilitary
    of a group of civilians operating like or assisting the army
  11865. paramilitary force
    a group of civilians organized in a military fashion
  11866. paramilitary organisation
    a group of civilians organized in a military fashion
  11867. paramilitary organization
    a group of civilians organized in a military fashion
  11868. paramilitary unit
    a group of civilians organized in a military fashion
  11869. Paranthias
    a genus of Serranidae
  11870. Parascalops
    brewer's moles
  11871. Parasitaxus
    one species: parasite yew
  11872. Parathelypteris
    terrestrial ferns of warm and tropical Asia and North America
  11873. paratroops
    infantry trained and equipped to parachute
  11874. Parazoa
    multicellular organisms having less-specialized cells than in the Metazoa; comprises the single phylum Porifera
  11875. parcel
    a wrapped package
  11876. parentage
    the kinship relation of an offspring to the parents
  11877. parenthetical
    qualifying or explaining
  11878. parenthetical expression
    an expression in parentheses
  11879. Paridae
    titmice and chickadees
  11880. Parietales
    a large order of dicotyledonous plants of subclass Dilleniidae
  11881. Parietaria
    small genus of stingless herbs
  11882. Paris
    (Greek mythology) the prince of Troy who abducted Helen from her husband Menelaus and provoked the Trojan War
  11883. parish
    a local church community
  11884. Parkeriaceae
    coextensive with the genus Ceratopteris
  11885. Parkia
    genus of tropical Old World trees: nitta trees
  11886. Parkinsonia
    small genus of spiny shrubs or small trees
  11887. parliament
    a legislative assembly in certain countries
  11888. parliamentary democracy
    a democracy having a parliament
  11889. parliamentary monarchy
    a monarchy having a parliament
  11890. Parmelia
    type genus of the Parmeliaceae
  11891. Parmeliaceae
    a family of lichens
  11892. Parochetus
    one species: shamrock pea
  11893. parochial school
    a private religious school run by a church or parish
  11894. Paronychia
    low-growing annual or perennial herbs or woody plants
  11895. Parophrys
    a genus of Soleidae
  11896. Parrotia
    one species: iron tree
  11897. Parrotiopsis
    one species: deciduous tree of the Himalaya Mountains
  11898. part of speech
    a class of words distinguished by its function in a sentence
  11899. Parthenium
    small genus of North American herbs and shrubs with terminal panicles of small ray flowers
  11900. Parthenocissus
    woody vines having disklike tips on the tendrils
  11901. participant role
    (linguistics) the underlying relation that a constituent has with the main verb in a clause
  11902. participial
    of or relating to or consisting of participles
  11903. participle
    a form of the verb used as an adjective
  11904. Particular Baptist
    group of Baptist congregations believing the teachings of the French theologian John Calvin who believed in strict predetermination
  11905. Partiya Karkeran Kurdistan
    a Marxist-Leninist terrorist group of Kurds trying to establish an independent Kurdish state in eastern Turkey
  11906. partnership
    a cooperative relationship between people or groups
  11907. parts department
    the division of a business that sells replacement parts
  11908. party
    an occasion on which people gather to socialize and have fun
  11909. Party of Democratic Kampuchea
    a communist organization formed in Cambodia in 1970
  11910. Party of God
    a Shiite terrorist organization with strong ties to Iran
  11911. party to the action
    a party of people taking a role in legal proceedings
  11912. party to the transaction
    a party of people taking a role in legal proceedings
  11913. Parula
    type genus of the Parulidae: wood warblers
  11914. Parulidae
    New World warblers
  11915. Parus
    type genus of the family Paridae
  11916. Pashtun
    a member of the mountain people living in the eastern regions of Afghanistan
  11917. Passer
    type genus of the Passeridae
  11918. Passeres
    two names for the suborder of typical songbirds
  11919. Passeridae
    true sparrows: Old world birds formerly considered weaverbirds
  11920. Passeriformes
    largest order of birds comprising about half the known species; rooks; finches; sparrows; tits; warblers; robins; wrens; swallows; etc.; the four suborders are Eurylaimi and Tyranni and Menurae and Oscines or Passeres
  11921. Passerina
    a genus of small North American finches including the New World buntings
  11922. Passiflora
    type genus of the Passifloraceae
  11923. Passifloraceae
    tropical woody tendril-climbing vines
  11924. passionflower family
    tropical woody tendril-climbing vines
  11925. past
    earlier than the present time; no longer current
  11926. past participle
    a participle that expresses completed action
  11927. past perfect
    a verb tense used to express a previously completed action
  11928. past perfect tense
    a perfective tense used to express action completed in the past
  11929. past progressive
    a progressive tense used to describe on-going action in the past
  11930. past progressive tense
    a progressive tense used to describe on-going action in the past
  11931. past tense
    a verb tense that expresses actions or states in the past
  11932. Pastinaca
    a rosid dicot genus of the family Umbelliferae
  11933. Pastor
    only the rose-colored starlings
  11934. pastorate
    the position of pastor
  11935. pasture
    a field covered with grass and suitable for grazing
  11936. pastureland
    a field covered with grass or herbage and suitable for grazing by livestock
  11937. Patagonian Desert
    a semiarid region in southern South America
  11938. patch
    a small contrasting part of something
  11939. Patella
    type genus of the family Patellidae: common European limpets
  11940. Patellidae
    marine limpets
  11941. Patent and Trademark Office Database
    the government bureau in the Department of Commerce that keeps a record of patents and trademarks and grants new ones
  11942. Patent Office
    the government bureau in the Department of Commerce that keeps a record of patents and trademarks and grants new ones
  11943. Pathan
    a member of the mountain people living in the eastern regions of Afghanistan
  11944. patient
    enduring trying circumstances with even temper
  11945. patient role
    the semantic role of an entity that is not the agent but is directly involved in or affected by the happening denoted by the verb in the clause
  11946. patriarchate
    the jurisdiction of a patriarch
  11947. patriarchy
    a form of social organization in which men hold power
  11948. patrol
    moving around an area to monitor and provide security
  11949. patronage
    the business given to an establishment by its customers
  11950. patterned advance
    a series with a definite pattern of advance
  11951. Pauropoda
    an obscure class of minute arthropods with branched antennae and 8 to 10 pairs of legs
  11952. Pavo
    a small constellation near the South Pole between Tucana and Ara
  11953. Payena
    genus of medium to large Malaysian trees yielding gutta-percha
  11954. payroll
    a list of employees and their salaries
  11955. payroll department
    the department that determines the amounts of wage or salary due to each employee
  11956. PDFLP
    a Marxist-Leninist group that believes Palestinian goals can only be achieved by revolutionary change
  11957. pea family
    a large family of trees, shrubs, vines, and herbs bearing bean pods; divided for convenience into the subfamilies Caesalpiniaceae; Mimosaceae; Papilionaceae
  11958. Peace Corps
    a civilian organization sponsored by the United States government; helps people in developing countries
  11959. peag
    small cylindrical beads made from polished shells and fashioned into strings or belts; used by certain Native American peoples as jewelry or currency
  11960. peanut gallery
    (figurative) people whose criticisms are regarded as irrelevant or insignificant (resembling uneducated people who throw peanuts on the stage to express displeasure with a performance)
  11961. pearl-weed
    any of various low-growing plants of the genus Sagina having small spherical flowers resembling pearls
  11962. pearlweed
    any of various low-growing plants of the genus Sagina having small spherical flowers resembling pearls
  11963. pearlwort
    any of various low-growing plants of the genus Sagina having small spherical flowers resembling pearls
  11964. peasantry
    the class of peasants
  11965. pecking order
    the organization of people at different ranks in an administrative body
  11966. Pectinibranchia
    large order of gastropods comprising univalve mollusks that have a single gill resembling a comb
  11967. Pectinidae
    scallops
  11968. Pedaliaceae
    the family of plants of order Polemoniales
  11969. pedestrian traffic
    people coming and going on foot
  11970. Pediculati
    anglers and batfishes
  11971. Pediculidae
    true lice: human lice and related forms
  11972. Pediculus
    type genus of Pediculidae: true lice infecting humans
  11973. pedigree
    the ancestry or lineage of an individual
  11974. Pedilanthus
    tropical American succulent shrubs
  11975. Pediocactus
    low-growing cacti of the Great Plains of North America
  11976. Pedioecetes
    sharp-tailed grouse
  11977. Pedionomus
    plain wanderer
  11978. Pedipalpi
    whip scorpions
  11979. peepshow
    an exhibition of pictures or objects viewed through a small hole or magnifying glass
  11980. peer group
    contemporaries of the same status
  11981. peerage
    the peers of a kingdom considered as a group
  11982. Peireskia
    genus of tropical American shrubby trees and woody climbers having slender branches with broad flat leaves and large panicles of flowers
  11983. Pelargonium
    geraniums native chiefly to South Africa; widely cultivated
  11984. Pelecanidae
    pelicans
  11985. Pelecaniformes
    pelicans; frigate birds; gannets; cormorants
  11986. Pelecanoididae
    diving petrels
  11987. Pelecanus
    type genus of the Pelecanidae
  11988. Pellaea
    genus of chiefly small rock-loving ferns
  11989. Pellicularia
    genus of fungi having the hymenium in the form of a crust
  11990. Pelobatidae
    the amphibian family of spadefoot toads
  11991. Peltandra
    small genus of North American marsh or aquatic herbs
  11992. Peltiphyllum
    one species
  11993. Pelycosauria
    edaphosaurus; dimetrodon
  11994. Pempheridae
    sweepers
  11995. Peneidae
    tropical prawns
  11996. Penelope
    the wife of Odysseus and a symbol of devotion and fidelity
  11997. Peneus
    type genus of the family Peneidae
  11998. Penicillium
    genus of fungi commonly growing as green or blue molds on decaying food; used in making cheese and as a source of penicillin
  11999. Pennatula
    type genus of the family Pennatulidae: sea pens
  12000. Pennatulidae
    sea pens
  12001. Pennisetum
    a genus of Old World grasses
  12002. pension fund
    a fund reserved to pay workers' pensions when they retire from service
  12003. Penstemon
    large genus of subshrubs or herbs having showy blue or purple or red or yellow or white flowers; mostly western North America
  12004. Pentagon
    a government building with five sides that serves as the headquarters of the United States Department of Defense
  12005. Pentagon Gang
    a Filipino terrorist group that broke away from the Moro Islamic Liberation Front in 2001 in order to continue terrorism and kidnapping and extortion
  12006. Pentastomida
    tongue worms
  12007. Pentecostal religion
    any fundamentalist Protestant Church that uses revivalistic methods to achieve experiences comparable to the Pentecostal experiences of the first Christian disciples
  12008. peony family
    perennial rhizomatous herbs and shrubs
  12009. people
    any group of human beings collectively
  12010. People against Gangsterism and Drugs
    a terrorist organization in South Africa formed in 1996 to fight drug lords; evolved into a vigilante group with anti-western views closely allied with Qibla; is believed to have ties to Islamic extremists in the Middle East; is suspected of conducting bouts of urban terrorism
  12011. people in power
    the class of people exerting power or authority
  12012. people of color
    a race with skin pigmentation different from the white race
  12013. people of colour
    a race with skin pigmentation different from the white race
  12014. People's Liberation Army
    a radical terrorist group dedicated to the removal of British forces from Northern Ireland and the unification of Ireland
  12015. People's Mujahidin of Iran
    a terrorist organization formed in the 1960s by children of Iranian merchants; sought to counter the Shah of Iran's pro-western policies of modernization and opposition to communism; following a philosophy that mixes Marxism and Islam it now attacks the Islamic fundamentalists who deposed the Shah
  12016. People's Party
    a former political party in the United States
  12017. People's Republican Army
    a radical terrorist group dedicated to the removal of British forces from Northern Ireland and the unification of Ireland
  12018. peoples
    the human beings of a particular nation or community or ethnic group
  12019. pep rally
    a rally (especially of students) before a game
  12020. pepper family
    tropical woody vines and herbaceous plants having aromatic herbage and minute flowers in spikelets
  12021. Peramelidae
    bandicoots
  12022. Perca
    type genus of the Percidae
  12023. percher
    a bird with feet adapted for perching
  12024. perching bird
    a bird with feet adapted for perching
  12025. Percidae
    active freshwater fishes; true perches and pike perches
  12026. Perciformes
    one of the largest natural groups of fishes of both marine and fresh water: true perches; basses; tuna
  12027. Percina
    a genus of Percidae
  12028. Percoidea
    in some classifications nearly or exactly equivalent to the Perciformes which are considered a suborder
  12029. Percomorphi
    one of the largest natural groups of fishes of both marine and fresh water: true perches; basses; tuna
  12030. Percophidae
    percoid flatheads
  12031. percussion
    the act of exploding a detonator that explodes when struck
  12032. percussion section
    the section of a band or orchestra that plays percussion instruments
  12033. Perdicidae
    Old World partridges
  12034. Perdicinae
    Old World partridges
  12035. Perdix
    a genus of Perdicinae
  12036. Pereskia
    genus of tropical American shrubby trees and woody climbers having slender branches with broad flat leaves and large panicles of flowers
  12037. perfect
    being complete of its kind and without defect or blemish
  12038. perfect participle
    a participle that expresses completed action
  12039. perfect tense
    a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect)
  12040. perfective
    a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect)
  12041. perfective tense
    a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect)
  12042. Pericallis
    cineraria
  12043. Peridiniidae
    marine and freshwater dinoflagellates
  12044. Peridinium
    type genus of the family Peridiniidae
  12045. Perilla
    small genus of Asiatic herbs
  12046. periodic sentence
    a complex sentence in which the main clause comes last and is preceded by the subordinate clause
  12047. periodic table
    arrangement of chemical elements according to atomic number
  12048. Periophthalmus
    a genus of Gobiidae
  12049. Peripatidae
    a family of Onychophora
  12050. Peripatopsidae
    a family of Onychophora
  12051. Peripatopsis
    type genus of Peripatopsidae
  12052. Periplaneta
    cosmopolitan genus of large cockroaches
  12053. Periploca
    genus of woody vines of warm regions of the Old World
  12054. Perisoreus
    Canada jays
  12055. Perissodactyla
    nonruminant ungulates: horses
  12056. Peristediinae
    in some classifications considered a subfamily of Triglidae comprising the armored searobins
  12057. Peristedion
    in some classifications the type genus of the subfamily Peristediinae: armored sea robins
  12058. Pernis
    a common European bird of prey
  12059. Perodicticus
    a genus of Lorisidae
  12060. Perognathus
    pocket mice
  12061. Peromyscus
    New World wood mice
  12062. Peronospora
    genus of destructive downy mildews
  12063. Peronosporaceae
    parasitic fungi: downy mildews
  12064. Peronosporales
    order of chiefly parasitic lower fungi: Albuginaceae and Peronosporaceae and Pythiaceae
  12065. perpetual calendar
    a chart or mechanical device that indicates the days of the week corresponding to any given date over a long period of years
  12066. Persea
    avocado
  12067. person
    a human being
  12068. personnel
    group of people willing to obey orders
  12069. personnel department
    the department responsible for hiring and training and placing employees and for setting policies for personnel management
  12070. personnel office
    the department responsible for hiring and training and placing employees and for setting policies for personnel management
  12071. Persoonia
    Australian undershrubs to small trees: geebungs
  12072. Pertusaria
    crustose lichens that are a source of the dye archil and of litmus
  12073. Pertusariaceae
    a fungus family of division Lichenes
  12074. pesantran
    a Muslim school in Indonesia operated by religious leaders
  12075. pesantren
    a Muslim school in Indonesia operated by religious leaders
  12076. Pesh Merga
    a Kurdish guerrilla force in Iraqi Kurdistan
  12077. peshmerga
    a member of a Kurdish guerilla organization that fights for a free Kurdish state
  12078. Petasites
    genus of rhizomatous herbs of north temperate regions: butterbur; sweet coltsfoot
  12079. Petaurista
    very large Asiatic flying squirrels
  12080. Petauristidae
    Old World flying squirrels
  12081. Petaurus
    a genus of Phalangeridae
  12082. petit bourgeois
    lower middle class (shopkeepers and clerical staff etc.)
  12083. petit jury
    the group that decides the outcome of a legal trial
  12084. petite bourgeoisie
    lower middle class (shopkeepers and clerical staff etc.)
  12085. Petrocoptis
    perennial tussock-forming rock plants
  12086. Petrogale
    rock wallabies
  12087. Petromyzon
    typical lampreys
  12088. Petromyzoniformes
    lampreys as distinguished from hagfishes
  12089. Petromyzontidae
    lampreys
  12090. Petroselinum
    parsley
  12091. Petteria
    one species: Dalmatian laburnum
  12092. petting zoo
    a collection of docile animals for children to pet and feed
  12093. petty apartheid
    racial segregation enforced primarily in public transportation and hotels and restaurants and other public places
  12094. petty bourgeoisie
    lower middle class (shopkeepers and clerical staff etc.)
  12095. petty jury
    the group that decides the outcome of a legal trial
  12096. Petunia
    annual or perennial herbs or shrubs of tropical South America
  12097. Peziza
    type genus of the Pezizaceae: a variety of cup fungus
  12098. Pezizaceae
    large family comprising many typical cup fungi
  12099. Pezizales
    order of mostly saprophytic fungi having cup-shaped ascocarps
  12100. Pezophaps
    constituted by the extinct solitaire
  12101. PFLP
    a terrorist group of limited popularity formed in 1967 after the Six-Day War; combined Marxist-Leninist ideology with Palestinian nationalism; used terrorism to gain attention for their cause; hoped to eliminate the state of Israel
  12102. PFLP-GC
    a Marxist-Leninist terrorist organization that conducted several attacks in western Europe
  12103. Phacochoerus
    warthogs
  12104. Phaeophyceae
    brown algae; mostly marine and littoral eukaryotic algae
  12105. Phaeophyta
    coextensive with class Phaeophyceae
  12106. Phaethon
    son of Helios
  12107. Phaethontidae
    tropicbirds
  12108. Phalacrocoracidae
    cormorants
  12109. Phalacrocorax
    type genus: coextensive with the family Phalacrocoracidae
  12110. Phalaenopsis
    genus of ornamental epiphytic orchids of Asia and Australia
  12111. Phalaenoptilus
    a genus of Caprimulgidae
  12112. Phalangeridae
    phalangers; koalas
  12113. Phalangida
    harvestmen
  12114. Phalangiidae
    a family of Phalangida
  12115. Phalangium
    type genus of the family Phalangiidae
  12116. phalanx
    any closely ranked crowd of people
  12117. Phalaris
    a genus of grasses with broad leaves and a dense spike of flowers
  12118. Phalaropidae
    phalaropes
  12119. Phalaropus
    type genus of the Phalaropidae: phalaropes
  12120. Phallaceae
    a family of fungi belonging to the order Phallales and comprising the true stinkhorns
  12121. Phallales
    order of fungi comprising the stinkhorns and related forms whose mature hymenium is slimy and fetid; sometimes placed in subclass Homobasidiomycetes
  12122. Phallus
    genus of fungi having the cap or pileus hanging free around the stem
  12123. Phanerogamae
    in former classification systems: one of two major plant divisions, including all seed-bearing plants; superseded by the division Spermatophyta
  12124. pharma
    a company that makes and sells pharmaceuticals
  12125. pharmaceutical company
    a company that makes and sells pharmaceuticals
  12126. pharmacopoeia
    a collection or stock of drugs
  12127. Pharomacrus
    a genus of Trogonidae
  12128. Phascogale
    pouched mice
  12129. Phascolarctos
    koalas
  12130. Phaseolus
    herbs of warm regions including most American beans
  12131. Phasianidae
    pheasants; quails; partridges
  12132. Phasianus
    type genus of the Phasianidae: the typical pheasants
  12133. Phasmatidae
    stick insects
  12134. Phasmatodea
    in some classifications considered a suborder of Orthoptera: stick insects; leaf insects
  12135. Phasmida
    in some classifications considered a suborder of Orthoptera: stick insects; leaf insects
  12136. Phasmidae
    stick insects
  12137. Phasmidia
    one of two subgroups of Nematoda used in some classification systems
  12138. Phegopteris
    beech ferns: genus is variously classified: considered alternative name for genus Dryopteris or included in genus Thelypteris
  12139. Phellodendron
    small genus of aromatic deciduous trees of east Asia often having thick corky bark
  12140. Philadelphaceae
    one genus; usually included in family Hydrangeaceae
  12141. Philaenus
    a genus of Cercopidae
  12142. philanthropic foundation
    a foundation that provides funds for science or art or education or religion or relief from disease etc.
  12143. philharmonic
    composing or characteristic of an orchestral group
  12144. Phillidae
    leaf insects
  12145. Phillyrea
    small genus of evergreen shrubs of the Mediterranean region
  12146. Philohela
    American woodcocks
  12147. Philomachus
    ruffs
  12148. Philophylla
    leaf miners
  12149. philosophy department
    the academic department responsible for teaching philosophy
  12150. Phlebodium
    chiefly epiphytic tropical ferns with free veins bearing sori
  12151. Phlebotomus
    small bloodsucking sand flies that resemble moths
  12152. Phleum
    grasses native to temperate regions
  12153. phlox family
    a widely distributed family of chiefly herbaceous plants of the order Polemoniales; often have showy flowers
  12154. Phoca
    type genus of the Phocidae: earless seals
  12155. Phocidae
    earless seals
  12156. Phocoena
    porpoises
  12157. phoenicophorium
    latanier palm
  12158. Phoenicopteridae
    flamingos
  12159. Phoeniculidae
    wood hoopoes
  12160. Phoeniculus
    type and only genus of the family Phoeniculidae
  12161. Phoenicurus
    Old World thrushes
  12162. phoenix
    a legendary bird that burned to death and emerged reborn
  12163. Pholadidae
    a family of Bivalvia
  12164. Pholas
    type genus of the family Pholadidae: piddocks
  12165. Pholidae
    a family of fish of suborder Blennioidea
  12166. Pholidota
    genus of mostly epiphytic orchids of Indonesia and the western Pacific
  12167. Pholiota
    genus of gilled agarics of Europe and North America having brown spores and an annulus; grows on open ground or decaying wood
  12168. Pholis
    type genus of the Pholidae: gunnels
  12169. Pholistoma
    straggling herbs of southwestern United States
  12170. phone company
    a public utility that provides telephone service
  12171. phone service
    a public utility that provides telephone service
  12172. phonemic system
    the system of phonemes recognized in a language
  12173. phonologic system
    the system of phones used in a particular language
  12174. phonological system
    the system of phones used in a particular language
  12175. Phoradendron
    any of various American parasitic plants similar to Old World mistletoe: false mistletoe
  12176. Phoronida
    small phylum of wormlike marine animals
  12177. Phoronidea
    small phylum of wormlike marine animals
  12178. Photinia
    genus of deciduous and evergreen east Asian trees and shrubs widely cultivated as ornamentals for their white flowers and red fruits; in some classifications includes genus Heteromeles
  12179. Photoblepharon
    a genus of fish in the family Anomalopidae
  12180. Phoxinus
    minnows
  12181. Phragmipedium
    genus of tropical American orchid species often included in genus Cypripedium or Paphiopedilum and Selenipedium: lady slippers
  12182. Phragmites
    reeds of marshes and riversides in tropical or temperate regions
  12183. phrasal verb
    an English verb followed by one or more particles where the combination behaves as a syntactic and semantic unit
  12184. phrase
    an expression consisting of one or more words
  12185. phratry
    people descended from a common ancestor
  12186. Phrynosoma
    horned lizards
  12187. PHS
    an agency that serves as the office of Surgeon General
  12188. Phthiriidae
    crab lice
  12189. Phthirius
    true lice: crab lice
  12190. Phthirus
    true lice: crab lice
  12191. Phthorimaea
    potato moths
  12192. Phycomycetes
    a large and probably unnatural group of fungi and funguslike organisms comprising the Mastigomycota (including the Oomycetes) and Zygomycota subdivisions of the division Eumycota; a category not used in all systems
  12193. Phycomycetes group
    a large and probably unnatural group of fungi and funguslike organisms comprising the Mastigomycota (including the Oomycetes) and Zygomycota subdivisions of the division Eumycota; a category not used in all systems
  12194. phyle
    a tribe of ancient Athenians
  12195. Phyllidae
    leaf insects
  12196. Phyllitis
    a genus of ferns belonging to the family Polypodiaceae
  12197. Phyllium
    type genus of the Phyllidae
  12198. Phyllocladaceae
    a family of Phyllocladaceae
  12199. Phyllocladus
    celery pine
  12200. Phyllodoce
    small genus of evergreen Arctic and alpine shrubs
  12201. Phylloporus
    a genus of fungi belonging to the family Boletaceae
  12202. Phyllorhynchus
    leaf-nosed snakes
  12203. Phylloscopus
    warblers
  12204. Phyllostachys
    medium and large bamboos
  12205. Phyllostomatidae
    New World leaf-nosed bats
  12206. Phyllostomidae
    New World leaf-nosed bats
  12207. Phyllostomus
    type genus of the family Phyllostomatidae
  12208. Phylloxera
    type genus of the Phylloxeridae: plant lice
  12209. Phylloxeridae
    plant lice
  12210. phylum
    the major taxonomic group of animals and plants
  12211. phylum Acanthocephala
    phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms
  12212. phylum Annelida
    segmented worms: earthworms; lugworms; leeches
  12213. phylum Arthropoda
    jointed-foot invertebrates: arachnids
  12214. phylum Aschelminthes
    unsegmented worms: roundworms; threadworms; eelworms
  12215. phylum Brachiopoda
    marine invertebrates that resemble mollusks
  12216. phylum Bryozoa
    marine or freshwater animals that form colonies of zooids
  12217. phylum Chaetognatha
    arrowworms: a group of small active transparent marine worms
  12218. phylum Chordata
    comprises true vertebrates and animals having a notochord
  12219. phylum Cnidaria
    hydras; polyps; jellyfishes; sea anemones; corals
  12220. phylum Coelenterata
    hydras; polyps; jellyfishes; sea anemones; corals
  12221. phylum Cryptophyta
    a phylum in the kingdom Protoctista
  12222. phylum Ctenophora
    comb jellies
  12223. phylum Cycliophora
    tiny marine organisms each the size of a period found in great numbers on lobsters' lips; identified tentatively in 1995 as a new phylum or as possible link between Entoprocta and Ectoprocta
  12224. phylum Echinodermata
    radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
  12225. phylum Ectoprocta
    coextensive with or a subphylum of Bryozoa
  12226. phylum Entoprocta
    sometimes considered a subphylum of Bryozoa
  12227. phylum Mollusca
    gastropods; bivalves; cephalopods; chitons
  12228. phylum Nematoda
    unsegmented worms: roundworms; threadworms; eelworms
  12229. phylum Nemertea
    proboscis worms
  12230. phylum Nemertina
    proboscis worms
  12231. phylum Phoronida
    small phylum of wormlike marine animals
  12232. phylum Platyhelminthes
    flatworms
  12233. phylum Pogonophora
    beard worms
  12234. phylum Porifera
    coextensive with the subkingdom Parazoa: sponges
  12235. phylum Protozoa
    in some classifications considered a superphylum or a subkingdom; comprises flagellates; ciliates; sporozoans; amoebas; foraminifers
  12236. phylum Pyrrophyta
    a division of lower plants comprising unicellular and biflagellate algae that form starchy compounds
  12237. phylum Rotifera
    a phylum including: rotifers
  12238. phylum Sipuncula
    peanut worms
  12239. Physalia
    Portuguese man-of-war
  12240. Physalis
    ground cherries
  12241. Physaria
    small genus of western North American herbs similar to Lesquerella: bladderpods
  12242. Physeter
    type genus of the Physeteridae
  12243. Physeteridae
    sperm whales
  12244. physics department
    the academic department responsible for teaching and research in physics
  12245. Physidae
    freshwater snails
  12246. Physostigma
    African woody vines: calabar beans
  12247. phytelephas
    small genus of South American feather palms
  12248. Phytolacca
    type genus of Phytolaccaceae: pokeweed
  12249. Phytolaccaceae
    chiefly tropical herbaceous plants (including shrubs and trees) with racemose flowers: genera Phytolacca, Agdestis, Ercilla, Rivina, Trichostigma
  12250. Phytomastigina
    plantlike flagellates containing chlorophyll
  12251. Phytophthora
    destructive parasitic fungi causing brown rot in plants
  12252. Pica
    magpies
  12253. Picariae
    term used in some classifications as nearly equivalent to the order Coraciiformes
  12254. Picea
    a genus of temperate and Arctic evergreen trees (see spruce)
  12255. Picidae
    woodpeckers
  12256. Piciformes
    woodpeckers
  12257. pick
    look for and gather
  12258. pickerelweed family
    aquatic or bog plants
  12259. Pickeringia
    one species: chaparral pea
  12260. picket
    a wooden strip forming part of a fence
  12261. picket line
    a line of people acting as pickets
  12262. Picoides
    a genus of Picidae
  12263. Picrasma
    small genus of deciduous trees of tropical America and Asia
  12264. Picris
    genus of weedy Old World yellow-flowered herbs usually containing a bitter-tasting substance: bitterweed
  12265. Picumnus
    a genus of Picidae
  12266. Picus
    type genus of Picidae
  12267. Pieridae
    arthropod family including cabbage butterflies
  12268. Pieris
    type genus of the Pieridae
  12269. Pietism
    17th and 18th-century German movement in the Lutheran Church stressing personal piety and devotion
  12270. PIJ
    a militant Palestinian terrorist group created in 1979 and committed to the creation of an Islamic state in Palestine and to the destruction of Israel; smaller and more exclusively militant that Hamas
  12271. pile
    a collection of objects laid on top of each other
  12272. Pilea
    low-growing tropical perennials grown for their stingless foliage
  12273. Pilosella
    genus of hairy perennial herbs with horizontal rhizomes and leafy or underground stolons; Eurasia and North Africa; often considered congeneric with Hieracium
  12274. Pilularia
    pillworts
  12275. Pimenta
    allspice tree
  12276. Pimpinella
    anise
  12277. Pinaceae
    a family of Pinaceae
  12278. Pinckneya
    small genus of shrubs or small trees of southeastern United States and northern South America
  12279. Pinctada
    pearl oysters
  12280. pine family
    a family of Pinaceae
  12281. pineapple family
    a family of tropical American plants of order Xyridales including several (as the pineapple) of economic importance
  12282. pinetum
    an area planted with pine trees or related conifers
  12283. Pineus
    a genus of Adelgidae
  12284. Pinguicula
    butterworts: a large genus of almost stemless carnivorous bog plants; Europe and America to Antarctica
  12285. Pinguinus
    great auk
  12286. Pinicola
    a genus of Fringillidae
  12287. pink family
    large family of herbs or subshrubs
  12288. Pinnipedia
    seals; sea lions; walruses
  12289. Pinnotheres
    type genus of the family Pinnotheridae: pea crabs
  12290. Pinnotheridae
    tiny soft-bodied crabs
  12291. Pinophytina
    most conifers: in some systems classified as a class (Pinopsida) and in others as a subdivision (Pinophytina); used in some classifications for one of five subdivisions of Gymnospermophyta
  12292. Pinopsida
    most conifers: in some systems classified as a class (Pinopsida) and in others as a subdivision (Pinophytina); used in some classifications for one of five subdivisions of Gymnospermophyta
  12293. Pinus
    type genus of the Pinaceae: large genus of true pines
  12294. Pipa
    type genus of the Pipidae
  12295. pipeline company
    a company that operates oil pipelines for the oil industry
  12296. Piper
    type genus of the Piperaceae: large genus of chiefly climbing tropical shrubs
  12297. Piperaceae
    tropical woody vines and herbaceous plants having aromatic herbage and minute flowers in spikelets
  12298. Piperales
    Piperaceae; Saururaceae; Chloranthaceae
  12299. pipewort family
    chiefly tropical aquatic or bog herbs: pipeworts
  12300. Pipidae
    tongueless frogs
  12301. Pipile
    genus of large crested guans (the piping guans)
  12302. Pipilo
    towhees
  12303. Pipistrellus
    nearly cosmopolitan genus of very small bats
  12304. Pipra
    type genus of the Pipridae containing the typical manakins
  12305. Pipridae
    manakins
  12306. Piptadenia
    tropical American trees and shrubs
  12307. Pipturus
    an Australian genus of woody plants of the family Urticaceae
  12308. Piqueria
    small genus of tropical American perennial herbs or subshrubs with white to pale yellow flowers; often included in genus Stevia
  12309. Piranga
    a genus of Thraupidae
  12310. Pisces
    a large faint zodiacal constellation
  12311. Piscidia
    genus of shrubs or small trees having indehiscent pods with black seeds; roots and bark yield fish poisons
  12312. Pisonia
    genus of often thorny tropical trees and shrubs and some vines; mainly America
  12313. Pistacia
    a dicotyledonous genus of trees of the family Anacardiaceae having drupaceous fruit
  12314. Pisum
    small genus of variable annual Eurasian vines: peas
  12315. pitcher-plant family
    insectivorous plants
  12316. Pithecellobium
    thorny shrubs and trees of tropical and subtropical America and Asia
  12317. Pithecia
    sakis
  12318. Pithecolobium
    thorny shrubs and trees of tropical and subtropical America and Asia
  12319. Pittidae
    pittas
  12320. Pituophis
    bull snakes
  12321. Pitymys
    pine mice
  12322. Pityrogramma
    terrestrial tropical ferns having fronds with powdery yellowish or white undersides; sometimes placed in family Polypodiaceae or Adiantaceae
  12323. placement center
    an office that finds suitable employment for applicants
  12324. placement office
    an office that finds suitable employment for applicants
  12325. Placodermi
    extinct group of bony-plated fishes with primitive jaws
  12326. Placuna
    windowpane oysters
  12327. Plagianthus
    small genus of shrubs and trees of Australia and New Zealand
  12328. plague
    any large-scale calamity
  12329. plane-tree family
    coextensive with the genus Platanus: plane trees
  12330. Planera
    a deciduous tree of the family Ulmaceae that grows in the southeastern United States
  12331. planning board
    a board appointed to advise the chief administrator
  12332. planning commission
    a commission delegated to propose plans for future activities and developments
  12333. Planococcus
    a genus of Pseudococcidae
  12334. plant department
    the division of a business responsible for building and maintaining the physical plant
  12335. plant family
    a family of plants
  12336. plant genus
    a genus of plants
  12337. plant kingdom
    (botany) the taxonomic kingdom comprising all living or extinct plants
  12338. plant order
    the order of plants
  12339. Plantae
    (botany) the taxonomic kingdom comprising all living or extinct plants
  12340. Plantagenet
    the family name of a line of English kings that reigned from 1154 to 1485
  12341. Plantagenet line
    the family name of a line of English kings that reigned from 1154 to 1485
  12342. Plantaginaceae
    cosmopolitan family of small herbs and a few shrubs
  12343. Plantaginales
    coextensive with the family Plantaginaceae
  12344. Plantago
    type genus of the family Plantaginaceae
  12345. plantain family
    cosmopolitan family of small herbs and a few shrubs
  12346. Plantation
    a newly established colony
  12347. planting
    putting seeds or young plants in the ground to grow
  12348. Plasmodiidae
    malaria parasites
  12349. Plasmodiophora
    type genus of Plasmodiophoraceae comprising minute plant parasitic fungi similar to and sometimes included among the slime molds
  12350. Plasmodiophoraceae
    family of fungi often causing hypertrophy in seed plants
  12351. plastics industry
    an industry that manufactures plastic articles
  12352. Platalea
    type genus of the Plataleidae
  12353. Plataleidae
    spoonbills
  12354. Platanaceae
    coextensive with the genus Platanus: plane trees
  12355. Platanistidae
    river dolphins
  12356. Platanthera
    herbaceous terrestrial orchids of temperate northern and southern hemispheres
  12357. Platanus
    genus of large monoecious mostly deciduous trees: London plane; sycamore
  12358. Platichthys
    a genus of Pleuronectidae
  12359. Plato's Academy
    a school established by Plato in ancient Athens
  12360. platoon
    a military unit that is a subdivision of a company
  12361. Platycephalidae
    scorpaenoid flatheads
  12362. Platycerium
    often epiphytic tropical Old World ferns
  12363. Platyctenea
    an order of Tentaculata
  12364. Platyhelminthes
    flatworms
  12365. Platylobium
    small genus of Australian evergreen leguminous shrubs or subshrubs
  12366. Platymiscium
    genus of tropical American trees: quira
  12367. Platypoecilus
    platys
  12368. Platyrrhini
    New World monkeys: capuchin
  12369. Platystemon
    one species: creamcups
  12370. Plautus
    comic dramatist of ancient Rome (253?-184 BC)
  12371. play group
    a small informal nursery group meeting for half-day sessions
  12372. playschool
    a small informal nursery group meeting for half-day sessions
  12373. Plecoptera
    stoneflies
  12374. Plecotus
    a genus of Vespertilionidae
  12375. Plectania
    genus of fungi in the family Pezizaceae closely related to and often included in genus Peziza
  12376. Plectognathi
    boxfishes
  12377. Plectomycetes
    class of fungi in which the fruiting body is a cleistothecium (it releases spores only on decay or disintegration)
  12378. Plectorrhiza
    small genus of Australian orchids
  12379. Plectrophenax
    snow bunting
  12380. Pleiades
    7 daughters of Atlas and half-sisters of the Hyades
  12381. Pleione
    small genus of dwarf orchids; India to Thailand and Taiwan
  12382. Pleiospilos
    perennial succulents of South Africa
  12383. plenum
    a meeting of a legislative body at which all members are present
  12384. Plesianthropus
    former name for the genus Australopithecus
  12385. Plesiosauria
    any of the plesiosaurs
  12386. Plethodon
    type genus of the Plethodontidae
  12387. Plethodontidae
    small mostly terrestrial New World salamanders having neither lungs nor gills as adults
  12388. Pleurobrachia
    sea gooseberries
  12389. Pleurobrachiidae
    sea gooseberries
  12390. Pleuronectes
    type genus of the Pleuronectidae
  12391. Pleuronectidae
    righteye flounders
  12392. Pleurosorus
    small genus comprising terrestrial ferns
  12393. Pleurotus
    agarics with white spores and caps having an eccentric stem
  12394. PLF
    a terrorist group formed in 1977 as the result of a split with the Popular Front for the Liberation of Palestine; became a satellite of al-Fatah; made terrorist attacks on Israel across the Lebanese border
  12395. Plicatoperipatus
    a genus of Peripatidae
  12396. PLO
    a political movement uniting Palestinian Arabs in an effort to create an independent state of Palestine; when formed in 1964 it was a terrorist organization dominated by Yasser Arafat's al-Fatah; in 1968 Arafat became chairman; received recognition by the United Nations and by Arab states in 1974 as a government in exile; has played a largely political role since the creation of the Palestine National Authority
  12397. Ploceidae
    weaverbirds
  12398. Ploceus
    type genus of the Ploceidae
  12399. plum-yew family
    a family of Cephalotaxaceae
  12400. Plumbaginaceae
    perennial herbs and shrubs and lianas
  12401. Plumbaginales
    coextensive with the family Plumbaginaceae
  12402. Plumeria
    deciduous shrubs and trees of tropical America having branches like candelabra and fragrant white or pink flowers
  12403. Plumiera
    deciduous shrubs and trees of tropical America having branches like candelabra and fragrant white or pink flowers
  12404. pluperfect
    a perfective tense used to express action completed in the past
  12405. pluperfect tense
    a perfective tense used to express action completed in the past
  12406. pluralism
    a social organization in which diversity is tolerated
  12407. Pluteaceae
    a family of fungi belonging to the order Agaricales
  12408. Pluteus
    a large genus of fungi belonging to the family Pluteaceae
  12409. plutocracy
    a political system governed by the wealthy people
  12410. Pluvialis
    golden plovers
  12411. Pluvianus
    coursers
  12412. Plymouth Colony
    colony formed by the Pilgrims when they arrived at Plymouth Rock in 1620; it was absorbed into the Massachusetts Bay Colony in 1691
  12413. PO
    an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States
  12414. Poa
    chiefly perennial grasses of cool temperate regions
  12415. Poaceae
    the grasses: chiefly herbaceous but some woody plants including cereals; bamboo; reeds; sugar cane
  12416. pocket
    a small pouch inside a garment for carrying small articles
  12417. pocket borough
    a sparsely populated borough in which all or most of the land is owned by a single family
  12418. pod
    the vessel that contains the seeds of a plant
  12419. Podalyria
    genus of South African leguminous shrubs often placed in genus Sophora
  12420. Podargidae
    frogmouths
  12421. Podargus
    type genus of the Podargidae
  12422. Podiceps
    type genus of the Podicipedidae: grebes
  12423. Podicipedidae
    coextensive with the order Podicipitiformes
  12424. Podicipediformes
    grebes
  12425. Podicipitiformes
    grebes
  12426. Podilymbus
    a genus of Podicipedidae
  12427. Podocarpaceae
    gymnosperms with simple persistent needlelike or scalelike leaves
  12428. Podocarpus
    evergreen trees or shrubs
  12429. podocarpus family
    gymnosperms with simple persistent needlelike or scalelike leaves
  12430. Podophyllum
    perennial rhizomatous herbs
  12431. Poeciliidae
    topminnows
  12432. Poecilocapsus
    a genus of Miridae
  12433. Poecilogale
    muishonds
  12434. Poephila
    grassfinches
  12435. Pogonophora
    beard worms
  12436. Pogostemon
    genus of Asiatic shrubs or trees whose leaves yield a fragrant oil
  12437. Poinciana
    small subgenus of ornamental tropical shrubs or trees
  12438. pointillism
    a painting technique characterized by applying paint in dots
  12439. poker hand
    the 5 cards held in a game of poker
  12440. pokeweed family
    chiefly tropical herbaceous plants (including shrubs and trees) with racemose flowers: genera Phytolacca, Agdestis, Ercilla, Rivina, Trichostigma
  12441. Polanisia
    widely distributed herbs having palmate leaves and creamy white to or pink to magenta flowers with many stamens of unequal length
  12442. Polemoniaceae
    a widely distributed family of chiefly herbaceous plants of the order Polemoniales; often have showy flowers
  12443. Polemoniales
    Polemoniaceae
  12444. Polianthes
    genus of perennial tuberous herbs having lily-like flowers
  12445. police
    the force of policemen and officers
  12446. police academy
    an academy for training police officers
  12447. police court
    a court that has power to prosecute for minor offenses and to bind over for trial in a superior court anyone accused of serious offenses
  12448. police department
    the department of local government concerned with enforcing the law and preventing crime
  12449. police force
    the force of policemen and officers
  12450. police squad
    a small squad of policemen trained to deal with a particular kind of crime
  12451. police state
    a country that maintains repressive control over the people by means of police (especially secret police)
  12452. Polioptila
    New World gnatcatchers
  12453. Polistes
    a genus of Vespidae
  12454. politburo
    the chief executive committee of a Communist party
  12455. political action committee
    a group that raises money and distributes it for elections
  12456. political entity
    a unit with political responsibilities
  12457. political machine
    a group that controls the activities of a political party
  12458. political movement
    a group of people working together to achieve a political goal
  12459. political party
    a group that tries to run the government
  12460. political system
    the members of a social organization who are in power
  12461. political unit
    a unit with political responsibilities
  12462. polity
    the form of government of a social organization
  12463. Pollachius
    pollack
  12464. Polyangiaceae
    bacteria living mostly in soils and on dung
  12465. Polyangium
    type genus of the family Polyangiaceae: myxobacteria with rounded fruiting bodies enclosed in a membrane
  12466. Polyborus
    a genus of Falconidae
  12467. Polybotria
    tropical American ferns
  12468. Polybotrya
    tropical American ferns
  12469. Polychaeta
    marine annelid worms
  12470. Polycirrus
    genus of soft-bodied polychete marine worms
  12471. Polydactylus
    a genus of Polynemidae
  12472. Polyergus
    Amazon ants
  12473. Polygala
    type genus of the Polygalaceae: milkwort; senega; snakeroot
  12474. Polygalaceae
    trees, shrubs, and herbs widely distributed throughout both hemispheres
  12475. polygene
    a gene that by itself has little effect on the phenotype but which can act together with others to produce observable variations
  12476. Polygonaceae
    a family of plants of order Polygonales chiefly of the north temperate zone; includes the buckwheats
  12477. Polygonales
    coextensive with the family Polygonaceae,
  12478. Polygonatum
    sometimes placed in subfamily Convallariaceae
  12479. Polygonia
    comma butterflies
  12480. Polygonum
    diverse genus of herbs or woody subshrubs of north temperate regions
  12481. Polymastigina
    small usually parasitic flagellates
  12482. Polynemidae
    threadfins
  12483. Polyodon
    type genus of the Polyodontidae
  12484. Polyodontidae
    paddlefishes
  12485. Polypedates
    type genus of the Polypedatidae
  12486. Polypedatidae
    Old World tree frogs
  12487. Polyplacophora
    small class of marine mollusks comprising the chitons
  12488. Polypodiaceae
    ferns: a large family that in some classification systems has been subdivided into several families (including Aspleniaceae and Blechnaceae and Davalliaceae and Dennstaedtiaceae and Dryopteridaceae and Oleandraceae and Pteridaceae)
  12489. Polypodiales
    true (leptosporangiate) ferns
  12490. Polypodium
    a genus of ferns belonging to the family Polypodiaceae and having rounded naked sori
  12491. Polyporaceae
    fungi that become corky or woody with age, often forming shelflike growths on trees
  12492. Polyporus
    type genus of the Polyporaceae
  12493. Polyprion
    wreckfish
  12494. Polystichum
    small to medium-sized terrestrial ferns especially holly ferns; in some classification systems placed in Polypodiaceae
  12495. polytechnic
    a technical school offering instruction in many industrial arts and applied sciences
  12496. polytechnic institute
    a technical school offering instruction in many industrial arts and applied sciences
  12497. polyzoa
    marine or freshwater animals that form colonies of zooids
  12498. Pomacanthus
    angelfishes
  12499. Pomacentridae
    damselfishes
  12500. Pomacentrus
    type genus of the Pomacentridae: damselfishes
  12501. Pomaderris
    a genus of Australasian shrubs and trees
  12502. Pomatomidae
    food and game fishes related to pompanos
  12503. Pomatomus
    type genus of the Pomatomidae
  12504. Pomolobus
    genus to which the alewife is sometimes assigned
  12505. Pomoxis
    crappies
  12506. Poncirus
    one species: trifoliate orange
  12507. pondweed
    any of several submerged or floating freshwater perennial aquatic weeds belonging to the family Potamogetonaceae
  12508. pondweed family
    plants that grow in ponds and slow streams
  12509. Pongamia
    one species: Indian beech
  12510. Pongidae
    usually considered as comprising orangutans
  12511. Pongo
    type genus of the family Pongidae: orangutans
  12512. Pontederia
    pickerelweed
  12513. Pontederiaceae
    aquatic or bog plants
  12514. pontificate
    administer a pontifical office
  12515. Pooecetes
    a genus of Fringillidae
  12516. pool
    a small body of standing water or other liquid
  12517. poor
    having little money or few possessions
  12518. poor people
    people without possessions or wealth (considered as a group)
  12519. Pop Art
    a school of art that emerged in the United Kingdom in the 1950s and became prevalent in the United States and the United Kingdom in the 1960s; it imitated the techniques of commercial art (as the soup cans of Andy Warhol) and the styles of popular culture and the mass media
  12520. pop group
    a group that plays pop music
  12521. Popillia
    a genus of Scarabaeidae
  12522. poppy family
    herbs or shrubs having milky and often colored juices and capsular fruits
  12523. populace
    people in general considered as a whole
  12524. Popular Democratic Front for the Liberation of Palestine
    a Marxist-Leninist group that believes Palestinian goals can only be achieved by revolutionary change
  12525. popular front
    a leftist coalition organized against a common opponent
  12526. Popular Front for the Liberation of Palestine
    a terrorist group of limited popularity formed in 1967 after the Six-Day War; combined Marxist-Leninist ideology with Palestinian nationalism; used terrorism to gain attention for their cause; hoped to eliminate the state of Israel
  12527. Popular Front for the Liberation of Palestine-General Command
    a Marxist-Leninist terrorist organization that conducted several attacks in western Europe
  12528. Popular Struggle Front
    a terrorist group of radical Palestinians who split with al-Fatah in 1967 but now have close relations with al-Fatah; staged terrorist attacks against Israel across the Lebanese border
  12529. population
    the people who inhabit a territory or state
  12530. Population Commission
    the commission of the Economic and Social Council of the United Nations that is concerned with population control
  12531. Populist Party
    a former political party in the United States
  12532. Populus
    a genus of trees of the family Salicaceae that is found in the northern hemisphere; poplars
  12533. Porcellio
    Old World genus of isopod crustaceans
  12534. Porcellionidae
    sow bugs
  12535. Porifera
    coextensive with the subkingdom Parazoa: sponges
  12536. Poronotus
    a genus of Stromateidae
  12537. Porphyra
    a genus of protoctist
  12538. Porphyrio
    Old World purple gallinules
  12539. Porphyrula
    American purple gallinules
  12540. Porte
    the Ottoman court in Constantinople
  12541. portfolio
    a large, thin case for loose papers or drawings or maps
  12542. Portulacaceae
    family of usually succulent herbs
  12543. Portunidae
    swimming crabs
  12544. Portunus
    type genus of the family Portunidae
  12545. Porzana
    spotted crakes
  12546. posse
    a temporary police force
  12547. posse comitatus
    a temporary police force
  12548. possessive
    serving to express or indicate the act of having
  12549. possessive case
    the case expressing ownership
  12550. post
    piece of timber or metal fixed firmly in an upright position
  12551. post office
    a local branch where postal services are available"
  12552. Postal Rate Commission
    an independent federal agency that recommends changes in postal rates
  12553. poste restante
    a notation written on mail that is to be held at the post office until called for (not in the United States or Canada)
  12554. posterity
    all future generations
  12555. posy
    an arrangement of flowers that is usually given as a present
  12556. Potamogalidae
    otter shrews
  12557. Potamogeton
    a large genus of aquatic herbs found in quiet waters in temperate regions; leaves usually float on the water
  12558. Potamogetonaceae
    plants that grow in ponds and slow streams
  12559. Potamophis
    ground snakes
  12560. potato family
    large and economically important family of herbs or shrubs or trees often strongly scented and sometimes narcotic or poisonous; includes the genera Solanum, Atropa, Brugmansia, Capsicum, Datura, Hyoscyamus, Lycopersicon, Nicotiana, Petunia, Physalis, and Solandra
  12561. Potentilla
    chiefly perennial northern hemisphere herbs and shrubs: cinquefoil
  12562. Poterium
    a genus of thorny herbs or shrubs of the family Rosaceae
  12563. Potoroinae
    rat kangaroos
  12564. Potorous
    potoroos
  12565. Potos
    a genus of Procyonidae
  12566. potpourri
    a collection containing a variety of sorts of things
  12567. Potsdam Conference
    a conference held in Potsdam in the summer of 1945 where Roosevelt, Stalin, and Churchill drew up plans for the administration of Germany and Poland after World War II ended
  12568. Pouteria
    tropical American timber tree with edible fruit (canistel)
  12569. power
    possession of the qualities required to do something
  12570. power breakfast
    a meeting of influential people to conduct business while eating breakfast
  12571. power company
    a public utility that provides electricity
  12572. power couple
    a couple both of whom have high-powered careers or are politically influential
  12573. power service
    a public utility that provides electricity
  12574. power structure
    the organization of people at different ranks in an administrative body
  12575. powerhouse
    an electrical generating station
  12576. powwow
    a council of or with Native Americans
  12577. PPK
    a Marxist-Leninist terrorist group of Kurds trying to establish an independent Kurdish state in eastern Turkey
  12578. praesidium
    a permanent executive committee in socialist countries that has all the powers of some larger legislative body and that acts for it when it is not in session
  12579. Praetorian Guard
    a member of the Praetorian Guard
  12580. prairie
    a treeless grassy plain
  12581. Praunus
    a genus of Mysidae
  12582. prayer beads
    a string of beads used in counting prayers
  12583. precedent
    an example that is used to justify similar occurrences
  12584. predicate
    involve as a necessary condition or consequence
  12585. predicator
    an expression that predicates
  12586. prelacy
    the office or station of a prelate
  12587. prelature
    the office or station of a prelate
  12588. Prenanthes
    genus of North American and Asiatic perennial herbs having pinnatisect leaves small heads of drooping yellowish to purple flowers; sometimes includes species often placed in genus Nabalus
  12589. prep school
    a private secondary school
  12590. preparatory school
    a private secondary school
  12591. prepositional object
    the object governed by a preposition
  12592. prepositional phrase
    a phrase beginning with a preposition
  12593. Presbyterian Church
    the Protestant denomination adhering to the views of John Calvin
  12594. Presbytes
    langurs
  12595. preschool
    an educational institution for children too young for elementary school
  12596. present
    happening or existing now
  12597. present participle
    a participle expressing present action
  12598. present perfect
    a perfective tense used to express action completed in the present
  12599. present perfect tense
    a perfective tense used to express action completed in the present
  12600. present progressive
    a tense used to express action that is on-going at the time of utterance
  12601. present progressive tense
    a tense used to express action that is on-going at the time of utterance
  12602. present tense
    a verb tense that expresses actions or states at the time of speaking
  12603. presidium
    a permanent executive committee in socialist countries that has all the powers of some larger legislative body and that acts for it when it is not in session
  12604. press
    put pressure or force upon something
  12605. press agency
    an agency to collects news reports for newspapers and distributes it electronically
  12606. press association
    an agency to collects news reports for newspapers and distributes it electronically
  12607. press corps
    a group of journalists representing different publications who all cover the same topics
  12608. press gang
    a detachment empowered to force civilians to serve in the army or navy
  12609. pressure group
    a group of people who try actively to influence legislation
  12610. preterit
    a term formerly used to refer to the simple past tense
  12611. preterite
    a term formerly used to refer to the simple past tense
  12612. Priacanthidae
    small carnivorous percoid fishes found worldwide in tropical seas
  12613. Priacanthus
    type genus of the Priacanthidae
  12614. price bracket
    a category of merchandise based on their price
  12615. pride
    a feeling of self-respect and personal worth
  12616. priesthood
    the body of ordained religious practitioners
  12617. primary dentition
    dentition of deciduous teeth
  12618. primary school
    a school for young children; usually the first 6 or 8 grades
  12619. Primates
    an animal order including lemurs and tarsiers and monkeys and apes and human beings
  12620. primrose family
    a dicotyledonous family of the order Primulales with a regular flower; widely distributed in the northern hemisphere
  12621. Primulaceae
    a dicotyledonous family of the order Primulales with a regular flower; widely distributed in the northern hemisphere
  12622. Primulales
    Primulaceae
  12623. principal diagonal
    the diagonal of a square matrix running from the upper left entry to the lower right entry
  12624. Prinia
    a genus of Sylviidae
  12625. printing business
    a company that does commercial printing
  12626. printing company
    a company that does commercial printing
  12627. printing concern
    a company that does commercial printing
  12628. Priodontes
    solely the giant armadillo
  12629. Prionace
    blue sharks
  12630. Prionotus
    a genus of Triglidae
  12631. Pristidae
    large primitive rays with elongated snouts
  12632. Pristis
    type genus of the Pristidae
  12633. Pritzelago
    chamois cress
  12634. private corporation
    a corporation owned by a few people
  12635. private enterprise
    an economy that relies chiefly on market forces to allocate goods and resources and to determine prices
  12636. private foundation
    a charity that does not receive a major part of its support from the public
  12637. private school
    a school established and controlled privately and supported by endowment and tuition
  12638. private security force
    a privately employed group hired to protect the security of a business or industry
  12639. privately held corporation
    a corporation owned by a few people
  12640. pro-choice faction
    those who argue that the decision to have an induced abortion should be made by the mother
  12641. pro-life faction
    those who argue that induced abortion is killing and should be prohibited
  12642. probate court
    a court having jurisdiction over the probate of wills and the administration of estates
  12643. Proboscidea
    an order of animals including elephants and mammoths
  12644. Procavia
    type genus of the Procaviidae
  12645. Procaviidae
    includes all recent members of the order Hyracoidea
  12646. Procellaria
    type genus of the Procellariidae
  12647. Procellariidae
    petrels; fulmars; shearwaters;
  12648. Procellariiformes
    petrels; albatrosses; shearwaters; diving petrels
  12649. procession
    the act of moving forward, as toward a goal
  12650. processor
    someone who processes things
  12651. Prociphilus
    a genus of Aphididae
  12652. Procnias
    bellbirds
  12653. Procyon
    the brightest star in Canis Minor
  12654. Procyonidae
    raccoons
  12655. product
    an artifact that has been created by someone or some process
  12656. profession
    an occupation requiring special education
  12657. professional association
    an association of practitioners of a given profession
  12658. professional organisation
    an organization of and for professional people
  12659. professional organization
    an organization of and for professional people
  12660. Progne
    a genus of Hirundinidae
  12661. program library
    (computing) a collection of standard programs and subroutines that are stored and available for immediate use
  12662. progression
    the act of moving forward, as toward a goal
  12663. progressive
    favoring or promoting modern or innovative ideas
  12664. Progressive Party
    a former political party in the United States
  12665. progressive tense
    a tense of verbs used in describing action that is on-going
  12666. Prohibition Party
    a political party in the United States
  12667. Prokayotae
    prokaryotic bacteria and blue-green algae and various primitive pathogens; because of lack of consensus on how to divide the organisms into phyla informal names are used for the major divisions
  12668. proletariat
    a social class comprising those who do manual labor
  12669. pronominal
    relating to pronouns
  12670. pronominal phrase
    a phrase that functions as a pronoun
  12671. proprietary colony
    a colony given to a proprietor to govern (in 17th century)
  12672. propyl
    the monovalent organic group C3H7- obtained from propane
  12673. propyl group
    the monovalent organic group C3H7- obtained from propane
  12674. propyl radical
    the monovalent organic group C3H7- obtained from propane
  12675. Prosauropoda
    the earliest known dinosaurs
  12676. prosecution
    legal proceedings against a defendant for criminal behavior
  12677. Prosimii
    not used in all classifications
  12678. prosodic system
    the system of accentuation used in a particular language
  12679. Prosopis
    genus of tropical or subtropical branching shrubs or trees: mesquite
  12680. Prosopium
    whitefishes
  12681. protea family
    large family of Australian and South African shrubs and trees with leathery leaves and clustered mostly tetramerous flowers; constitutes the order Proteales
  12682. Proteaceae
    large family of Australian and South African shrubs and trees with leathery leaves and clustered mostly tetramerous flowers; constitutes the order Proteales
  12683. Proteales
    coextensive with the family Proteaceae
  12684. Proteidae
    mud puppies
  12685. Proteles
    aardwolf
  12686. Proterochampsa
    early archosaurian carnivore
  12687. Protestant
    an adherent of Protestantism
  12688. Protestant Church
    the Protestant churches and denominations collectively
  12689. Protestant denomination
    group of Protestant congregations
  12690. Protestant Episcopal Church
    United States church that is in communication with the see of Canterbury
  12691. Protestant Reformation
    a religious movement of the 16th century that began as an attempt to reform the Roman Catholic Church and resulted in the creation of Protestant churches
  12692. Proteus
    a prophetic god who served Poseidon
  12693. Protista
    eukaryotic one-celled living organisms distinct from multicellular plants and animals: protozoa, slime molds, and eukaryotic algae
  12694. Protium
    genus of chiefly tropical American trees having fragrant wood and yielding gum elemi
  12695. proto-oncogene
    a normal gene that has the potential to become an oncogene
  12696. protoctist family
    any of the families of Protoctista
  12697. protoctist genus
    any genus of Protoctista
  12698. protoctist order
    the order of protoctists
  12699. Protoctista
    in most modern classifications, replacement for the Protista
  12700. Prototheria
    echidnas; platypus
  12701. Protozoa
    in some classifications considered a superphylum or a subkingdom; comprises flagellates; ciliates; sporozoans; amoebas; foraminifers
  12702. Protura
    minute wingless arthropods: telsontails
  12703. Provisional IRA
    a militant organization of Irish nationalists who used terrorism and guerilla warfare in an effort to drive British forces from Northern Ireland and achieve a united independent Ireland
  12704. Provisional Irish Republican Army
    a militant organization of Irish nationalists who used terrorism and guerilla warfare in an effort to drive British forces from Northern Ireland and achieve a united independent Ireland
  12705. Provos
    a militant organization of Irish nationalists who used terrorism and guerilla warfare in an effort to drive British forces from Northern Ireland and achieve a united independent Ireland
  12706. provost court
    a military court for trying people charged with minor offenses in an occupied area
  12707. provost guard
    a detachment under the command of a provost marshall
  12708. Prumnopitys
    mostly dioecious evergreen conifers
  12709. Prunella
    small genus of perennial mostly Eurasian having terminal spikes of small purplish or white flowers
  12710. Prunellidae
    hedge sparrow
  12711. Prunus
    a genus of shrubs and trees of the family Rosaceae that is widely distributed in temperate regions
  12712. Psaltriparus
    a genus of Paridae
  12713. Psenes
    a genus of Stromateidae
  12714. Psephurus
    a genus of Polyodontidae
  12715. Psetta
    a genus of Bothidae
  12716. Psettichthys
    a genus of Soleidae
  12717. Pseudacris
    chorus frogs
  12718. Pseudaletia
    moths whose larvae are armyworms
  12719. Pseudechis
    venomous Australian blacksnakes
  12720. Pseudemys
    sliders; red-bellied terrapin
  12721. Pseudobombax
    tropical American deciduous shrubs or small trees
  12722. Pseudococcidae
    scalelike insects: mealybugs
  12723. Pseudococcus
    type genus of the Pseudococcidae
  12724. Pseudocolus
    a genus of fungi belonging to the family Clathraceae
  12725. Pseudolarix
    one species: golden larch
  12726. Pseudomonadales
    one of two usually recognized orders of true bacteria
  12727. Pseudomonas
    type genus of the family Pseudomonodaceae
  12728. Pseudomonas pyocanea
    a species of aerobic bacteria
  12729. Pseudomonodaceae
    rod-shaped Gram-negative bacteria
  12730. Pseudopleuronectes
    a genus of Pleuronectidae
  12731. Pseudoryx
    species of large cow-like mammals of Vietnam discovered by scientists in 1992
  12732. Pseudoscorpiones
    false scorpions
  12733. Pseudoscorpionida
    false scorpions
  12734. Pseudotaxus
    one species
  12735. Pseudotsuga
    douglas fir; closely related to genera Larix and Cathaya
  12736. Pseudowintera
    evergreen shrubs or small trees of Australia and New Zealand
  12737. PSF
    a terrorist group of radical Palestinians who split with al-Fatah in 1967 but now have close relations with al-Fatah; staged terrorist attacks against Israel across the Lebanese border
  12738. Psidium
    guavas
  12739. Psilophytaceae
    Paleozoic plants
  12740. Psilophytales
    Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants
  12741. Psilopsida
    whisk ferns
  12742. Psilotaceae
    small family of lower ferns having nearly naked stems and minute scalelike leaves
  12743. Psilotales
    lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots
  12744. Psilotatae
    whisk ferns
  12745. Psilotum
    type genus of the Psilotaceae
  12746. Psithyrus
    a large bee that resembles the bumblebee but lacks pollen-collecting apparatus and a worker caste
  12747. Psittacidae
    coextensive with the order Psittaciformes
  12748. Psittaciformes
    an order of birds including parrots and amazons and cockatoos and lorikeets and lories and macaws and parakeets
  12749. Psittacula
    a genus of Psittacidae
  12750. Psittacus
    type genus of the Psittacidae: usually restricted to the African grey
  12751. Psocidae
    a family of small soft-bodied insects that feed on decaying vegetation; related to booklice
  12752. Psocoptera
    an order of insects: includes booklice and bark-lice
  12753. Psophia
    type genus of the Psophiidae: trumpeters
  12754. Psophiidae
    trumpeters
  12755. Psophocarpus
    species of tropical Asian and African climbing herbs
  12756. Psoralea
    widely distributed genus of herbs or shrubs with glandular compound leaves and spicate or racemose purple or white flowers
  12757. psychedelia
    the subculture of users of psychedelic drugs
  12758. Psychodidae
    very small two-winged flies with hairy wings that develop in moss and damp vegetable matter: sand flies
  12759. psychology department
    the academic department responsible for teaching and research in psychology
  12760. Psychopsis
    epiphytic orchids of Central and South America formerly included in genus Oncidium
  12761. psychotherapy group
    a meeting of people for psychotherapeutic purposes
  12762. Psychotria
    tropical chiefly South American shrubs and trees
  12763. Psyllidae
    jumping plant lice
  12764. Pteretis
    small genus sometimes included in genus Onoclea
  12765. Pteridaceae
    one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; Pteridaceae is itself in turn sometimes further subdivided
  12766. Pteridium
    a genus of ferns belonging to the family Dennstaedtiaceae
  12767. Pteridophyta
    containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
  12768. Pteridospermae
    used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales
  12769. Pteridospermaphyta
    used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales
  12770. Pteridospermopsida
    extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies
  12771. Pteriidae
    pearl oysters
  12772. Pteris
    large genus of terrestrial ferns of tropics and subtropics
  12773. Pternohyla
    burrowing tree frogs
  12774. Pterocarpus
    genus of tropical trees or climbers having usually broadly winged pods
  12775. Pterocarya
    Asiatic nut trees: wing nuts
  12776. Pterocles
    type genus of the Pteroclididae
  12777. Pteroclididae
    sandgrouses
  12778. Pterocnemia
    a genus of birds of the family Rheidae
  12779. Pterodactylidae
    a reptile family in the order Pterosauria
  12780. Pterodactylus
    a reptile genus of Pterodactylidae
  12781. Pterois
    lionfishes
  12782. Pteropsida
    used in former classifications to include all ferns and flowering plants and divided into the three classes Filicinae and Gymnospermae and Angiospermae
  12783. Pteropus
    a genus of Megachiroptera
  12784. Pterosauria
    extinct flying reptiles: pterosaurs
  12785. Pterospermum
    genus of tropical Asian trees and shrubs
  12786. Pterostylis
    genus of terrestrial orchids of Australia and New Zealand and western Pacific
  12787. Ptilocercus
    pentails
  12788. Ptilocrinus
    sea lilies
  12789. Ptilonorhynchidae
    bowerbirds
  12790. Ptilonorhynchus
    type genus of the Ptilonorhynchidae
  12791. Ptloris
    a genus of Paradisaeidae
  12792. Ptolemaic dynasty
    an ancient dynasty of Macedonian kings who ruled Egypt from 323 BC to 30 BC; founded by Ptolemy I and ended with Cleopatra
  12793. Ptolemy
    Alexandrian astronomer (of the 2nd century) who proposed a geocentric system of astronomy that was undisputed until the late Renaissance
  12794. Ptyas
    Asian rat snakes
  12795. Ptychozoon
    flying geckos
  12796. public
    not private
  12797. public charity
    a charity that is deemed to receive the major part of its support from the public (rather than from a small group of individuals)
  12798. public library
    a nonprofit library maintained for public use
  12799. public mover
    a company that moves the possessions of a family or business from one site to another
  12800. public school
    a tuition free school in the United States supported by taxes and controlled by a school board
  12801. public utility
    a company that performs a public service
  12802. public utility company
    a company that performs a public service
  12803. public-service corporation
    a company that performs a public service
  12804. publisher
    a person engaged in issuing periodicals or books or music
  12805. publishing company
    a firm in the publishing business
  12806. publishing conglomerate
    a conglomerate of publishing companies
  12807. publishing empire
    a conglomerate of publishing companies
  12808. publishing firm
    a firm in the publishing business
  12809. publishing house
    a firm in the publishing business
  12810. Puccinia
    type genus of the Pucciniaceae
  12811. Pucciniaceae
    large important family of rust fungi
  12812. Pueraria
    genus of woody Asiatic vines: kudzu
  12813. Puffinus
    shearwaters
  12814. Puka Inti
    a small but violent terrorist organization formed in Ecuador in the early 1990s; responsible for bombing several government buildings
  12815. Pulex
    type genus of the Pulicidae
  12816. Pulicaria
    genus of temperate Old World herbs: fleabane
  12817. Pulicidae
    many common fleas attacking humans and domestic animals
  12818. Pulmonata
    large order of gastropods usually breathing by means of a lung-like sac comprising most land snails and slugs and many freshwater snails
  12819. Pulsatilla
    includes a group of plants that in some classifications are included in the genus Anemone: pasqueflowers
  12820. punchayet
    a village council in India or southern Pakistan
  12821. Punica
    coextensive with the family Punicaceae
  12822. Punicaceae
    one species: pomegranates
  12823. punks
    a youth subculture closely associated with punk rock music in the late 1970s; in part a reaction to the hippy subculture; dress was optional but intended to shock (plastic garbage bags or old school uniforms) and hair was dyed in bright colors (in Mohican haircuts or sometimes spiked in bright plumes)
  12824. pupet regime
  12825. puppet government
    a government controlled by an outside authority or nation
  12826. puppet state
    a government controlled by an outside authority or nation
  12827. purchasing department
    the division of a business that is responsible for purchases
  12828. purdah
    a screen used in India to separate women from men or strangers
  12829. purslane family
    family of usually succulent herbs
  12830. Pycnanthemum
    American mountain mint
  12831. Pycnogonida
    sea spiders
  12832. Pygopodidae
    Australian and Tasmanian lizards
  12833. Pygopus
    type genus of the Pygopodidae
  12834. Pygoscelis
    a genus of Spheniscidae
  12835. Pylodictus
    flathead catfishes
  12836. Pyralidae
    bee moths; corn borers; flour moths
  12837. Pyralididae
    bee moths; corn borers; flour moths
  12838. Pyralis
    type genus of the Pyralidae
  12839. Pyrausta
    moths whose larvae are corn borers
  12840. pyre
    wood heaped for burning a dead body as a funeral rite
  12841. Pyrenomycetes
    class of fungi in which the fruiting body is a perithecium
  12842. Pyrethrum
    used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum
  12843. Pyrocephalus
    a genus of Tyrannidae
  12844. Pyrolaceae
    evergreen herbs of temperate regions: genera Pyrola, Chimaphila, Moneses, Orthilia
  12845. Pyrophorus
    tropical click beetles
  12846. Pyrrhocoridae
    firebugs
  12847. Pyrrhula
    bullfinches
  12848. Pyrrophyta
    a division of lower plants comprising unicellular and biflagellate algae that form starchy compounds
  12849. Pyrrosia
    epiphytic or lithophytic or terrestrial ferns of tropical Old World
  12850. Pyrularia
    small genus of chiefly Asiatic parasitic shrubs
  12851. Pyrus
    fruit trees native to the Old World: pears
  12852. Pythiaceae
    fungi having sporangia usually borne successively and singly at the tips of branching sporangiophores
  12853. Pythonidae
    in some classifications a family separate from Boidae comprising Old World boas
  12854. Pythoninae
    Old World boas: pythons
  12855. Pyxidanthera
    one species: pyxie; the eastern United States
  12856. Qaeda
    a terrorist network intensely opposed to the United States that dispenses money and logistical support and training to a wide variety of radical Islamic terrorist groups; has cells in more than 50 countries
  12857. Qara Qum
    a desert in Turkmenistan to the south of the Aral Sea
  12858. Qassam Brigades
    the military arm of Hamas responsible for suicide bombings and other attacks on Israel
  12859. Qibla
    a small terrorist group of Muslims in South Africa formed in the 1980s; was inspired by Ayatollah Khomeini to create an Islamic state in South Africa
  12860. Qin
    the Chinese dynasty (from 246 BC to 206 BC) that established the first centralized imperial government and built much of the Great Wall
  12861. Qin dynasty
    the Chinese dynasty (from 246 BC to 206 BC) that established the first centralized imperial government and built much of the Great Wall
  12862. Qing
    the last imperial dynasty of China (from 1644 to 1912) which was overthrown by revolutionaries; during the Qing dynasty China was ruled by the Manchu
  12863. Qing dynasty
    the last imperial dynasty of China (from 1644 to 1912) which was overthrown by revolutionaries; during the Qing dynasty China was ruled by the Manchu
  12864. Qizil Qum
    a desert in Uzbekistan to the southeast of the Aral Sea
  12865. quadrumvirate
    a group of four men
  12866. quadruple
    having four units or components
  12867. quadruplet
    one of four children born at the same time from the same pregnancy
  12868. Quai d'Orsay
    the street in Paris along the south bank of the Seine known for its governmental ministries
  12869. Quakers
    a Christian sect founded by George Fox about 1660
  12870. Quamassia
    genus of scapose herbs of North and South America having large edible bulbs
  12871. quango
    a quasi nongovernmental organization
  12872. quarter sessions
    a local court with criminal jurisdiction and sometimes administrative functions
  12873. quartet
    a musical composition for four performers
  12874. quartette
    a musical composition for four performers
  12875. quasi-NGO
    a quasi nongovernmental organization
  12876. quassia family
    chiefly tropical trees and shrubs with bitter bark having dry usually one-seeded winged fruit
  12877. Quechua
    the language of the Quechua which was spoken by the Incas
  12878. Queensland lungfish
    an endangered species of lungfish found in rivers in Queensland
  12879. Quercus
    oaks
  12880. query
    an instance of questioning
  12881. question
    a sentence of inquiry that asks for a reply
  12882. queue
    a line of people or vehicles waiting for something
  12883. quillwort family
    quillworts; coextensive with the genus Isoetes
  12884. quilting bee
    a gathering to make quilts
  12885. quintet
    a musical composition for five performers
  12886. quintette
    a musical composition for five performers
  12887. quintuple
    having five units or components
  12888. quintuplet
    one of five children born at the same time from the same pregnancy
  12889. Quiscalus
    grackles
  12890. quorum
    a gathering of the minimal number of members of a group
  12891. rabbinate
    the office or function of a rabbi
  12892. rabble
    a disorderly crowd of people
  12893. race
    a contest of speed
  12894. Rachycentridae
    family of pelagic fishes containing solely the cobia
  12895. Rachycentron
    genus and family are coextensive and comprise only the cobia
  12896. racial segregation
    segregation by race
  12897. rack railway
    railway for steep mountains
  12898. racket club
    club for players of racket sports
  12899. radical cell
    a cell of terrorists (usually 3 to 5 members)
  12900. Radiigera
    a genus of fungus belonging to the family Geastraceae
  12901. radio spectrum
    the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television
  12902. radio-frequency spectrum
    the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television
  12903. radiochlorine
    a radioactive isotope of chlorine
  12904. Radiolaria
    marine protozoa
  12905. Radyera
    very small genus of shrubs of southern hemisphere: bush hibiscus
  12906. RAF
    the airforce of Great Britain
  12907. Raffia
    feather palm of tropical Africa and Madagascar and Central and South America widely grown for commercial purposes
  12908. Rafflesiaceae
    a family of parasitic plants of the order Aristolochiales
  12909. rag trade
    makers and sellers of fashionable clothing
  12910. ragbag
    a bag in which rags are kept
  12911. ragtag
    disparaging terms for the common people
  12912. ragtag and bobtail
    disparaging terms for the common people
  12913. raider
    someone who takes spoils or plunder (as in war)
  12914. rail
    a horizontal bar, usually of wood or metal
  12915. railroad
    a line of track providing a runway for wheels
  12916. railroad line
    line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight
  12917. railway
    line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight
  12918. railway line
    line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight
  12919. railway system
    line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight
  12920. rain forest
    a forest with heavy annual rainfall
  12921. rainforest
    a densely wooded tropical area with heavy precipitation
  12922. Raja
    type genus of the family Rajidae
  12923. rajanya
    the second highest of the four varnas: the noble or warrior category
  12924. Rajidae
    bottom-dwelling tropical rays: skates
  12925. Rajiformes
    fish with dorsoventrally flattened bodies
  12926. Rallidae
    rails; crakes; gallinules; coots
  12927. rally
    gather or bring together
  12928. Ramalina
    shrubby lichens of the family Usneaceae having a flattened thallus
  12929. Ramphastidae
    toucans
  12930. Ramphomicron
    thornbills
  12931. Rana
    type genus of the Ranidae
  12932. Ranales
    herbs, shrubs and trees: includes families Ranunculaceae
  12933. ranalian complex
    a group of families of trees and shrubs and herbs having well-developed perianths and apocarpous ovaries and generally regarded as the most primitive extant flowering plants; contains 36 families including Magnoliaceae and Ranunculaceae; sometimes classified as a superorder
  12934. Ranatra
    elongate very slender water scorpions
  12935. range
    a variety of different things or activities
  12936. Rangifer
    reindeer or caribou
  12937. Ranidae
    a family nearly cosmopolitan in distribution: true frogs
  12938. rank
    relative status
  12939. rank and file
    people who constitute the main body of any group
  12940. Ranunculaceae
    a family of Ranunculaceae
  12941. Ranunculales
    herbs, shrubs and trees: includes families Ranunculaceae
  12942. Ranunculus
    annual, biennial or perennial herbs: buttercup; crowfoot
  12943. Raoulia
    genus of low-growing mat-forming New Zealand plants
  12944. rap group
    a gathering of people holding a rap session
  12945. Rapateaceae
    South American herbs somewhat resembling members of the Juncaceae
  12946. Raphanus
    radish
  12947. Raphia
    feather palm of tropical Africa and Madagascar and Central and South America widely grown for commercial purposes
  12948. Raphicerus
    African antelopes: steenboks
  12949. Raphidae
    extinct dodos and solitaires
  12950. Raphidiidae
    a family of arthropods of the suborder Megaloptera, including snakeflies
  12951. Raphus
    type genus of the Raphidae: dodos
  12952. Raptores
    term used in former classifications
  12953. rare earth
    any element of the lanthanide series
  12954. rare-earth element
    any element of the lanthanide series
  12955. raree-show
    an exhibition of pictures or objects viewed through a small hole or magnifying glass
  12956. RAS
    the network in the reticular formation that serves an alerting or arousal function
  12957. rash
    imprudently incurring risk
  12958. Rashtriya Swayamsevak Sangh
    an all-male organization begun in 1925 to foster nationalism in India's Hindus
  12959. Rastafari
    (Jamaica) a Black youth subculture and religious movement that arose in the ghettos of Kingston, Jamaica, in the 1950s; males grow hair in long dreadlocks and wear woolen caps; use marijuana and listen to reggae music
  12960. Rastafarian
    (Ethiopia) adherents of an African religion that regards Ras Tafari as divine
  12961. Rastas
    (Jamaica) a Black youth subculture and religious movement that arose in the ghettos of Kingston, Jamaica, in the 1950s; males grow hair in long dreadlocks and wear woolen caps; use marijuana and listen to reggae music
  12962. Ratibida
    genus of perennial wildflowers of North American plains and prairies; often cultivated for their showy flower heads
  12963. Ratitae
    used in former classifications to include all ratite bird orders
  12964. Rattus
    common house rats; upper incisors have a beveled edge
  12965. rave-up
    a raucous gathering
  12966. raw data
    unanalyzed data; data not yet subjected to analysis
  12967. RCMP
    the federal police force of Canada
  12968. readership
    the audience reached by written communications
  12969. Reagan administration
    the executive under President Reagan
  12970. Real Estate Investment Trust
    an investment trust that owns and manages a pool of commercial properties and mortgages and other real estate assets; shares can be bought and sold in the stock market
  12971. Real IRA
    a radical terrorist group that broke away in 1997 when the mainstream Provisional IRA proposed a cease-fire; has continued terrorist activities in opposition to any peace agreement
  12972. Real Irish Republican Army
    a radical terrorist group that broke away in 1997 when the mainstream Provisional IRA proposed a cease-fire; has continued terrorist activities in opposition to any peace agreement
  12973. real matrix
    a matrix whose elements are all real numbers
  12974. realism
    the attribute of accepting the facts of life
  12975. rear
    the side of an object that is opposite its front
  12976. rearguard
    a detachment assigned to protect the rear of a military body
  12977. reception
    the act of taking in
  12978. reception line
    a line of people who welcome the guests at a reception party
  12979. recession
    the act of returning control
  12980. recessional
    of or relating to receding
  12981. recessive
    of or pertaining to a recession
  12982. recessive allele
    an allele that produces its characteristic phenotype only when its paired allele is identical
  12983. recessive gene
    gene that produces its characteristic phenotype only when its allele is identical
  12984. recipient
    a person to whom something is sent, given, or awarded
  12985. recipient role
    the semantic role of the animate entity that is passively involved in the happening denoted by the verb in the clause
  12986. record company
    a company that makes and sells musical recordings
  12987. Recurvirostra
    type genus of the Recurvirostridae: avocets
  12988. Recurvirostridae
    long-legged shorebirds
  12989. Red Army Faction
    a Marxist and Maoist terrorist organization in Germany
  12990. Red Brigades
    a Marxist-Leninist terrorist organization that arose out of a student protest movement in the late 1960s; wants to separate Italy from NATO and advocates violence in the service of class warfare and revolution; mostly inactive since 1989
  12991. Red Cross
    an international organization that cares for the sick or wounded or homeless in wartime
  12992. Red Guard
    a radical political movement by Chinese youths who espoused Maoist principles
  12993. Red Hand Defenders
    a paramilitary group of Protestants in Northern Ireland that tries to prevent any political settlement with the Irish Republic; attacks interests of Catholic civilians in Northern Ireland; responsible for arson and bombing and murder
  12994. Red Sun
    a small but violent terrorist organization formed in Ecuador in the early 1990s; responsible for bombing several government buildings
  12995. redevelopment authority
    a public administrative unit given responsibility for the renovation of blighted urban areas
  12996. reductivism
    an art movement in sculpture and painting that began in the 1950s and emphasized extreme simplification of form and color
  12997. Reduviidae
    assassin bugs
  12998. redwood family
    coniferous trees
  12999. reed section
    the section of a band or orchestra that plays reed instruments
  13000. referent
    something referred to; the object of a reference
  13001. refining industry
    an industry that produces and delivers oil and oil products
  13002. Reform Judaism
    beliefs and practices of Reform Jews
  13003. reform movement
    a movement intended to bring about social and humanitarian reforms
  13004. Reformation
    a religious movement of the 16th century that began as an attempt to reform the Roman Catholic Church and resulted in the creation of Protestant churches
  13005. Regalecidae
    ribbonfishes
  13006. regime
    the governing authority of a political unit
  13007. regiment
    army unit smaller than a division
  13008. registration
    the act of registering for something
  13009. Reglaecus
    type genus of the Regalecidae
  13010. regroup
    organize anew, as after a setback
  13011. regular army
    a permanent organization of the military land forces of a nation or state
  13012. regulator gene
    a gene that produces a repressor substance that inhibits an operator gene
  13013. regulatory agency
    a governmental agency that regulates businesses in the public interest
  13014. regulatory authority
    a governmental agency that regulates businesses in the public interest
  13015. regulatory gene
    a gene that produces a repressor substance that inhibits an operator gene
  13016. Regulus
    the brightest star in Leo
  13017. Reich
    the German state
  13018. REIT
    an investment trust that owns and manages a pool of commercial properties and mortgages and other real estate assets; shares can be bought and sold in the stock market
  13019. Reithrodontomys
    New World harvest mice
  13020. relative clause
    a clause introduced by a relative pronoun
  13021. relatum
    a term in a proposition that is related to the referent of the proposition
  13022. relay
    passing something along from one person or group to another
  13023. religion
    a strong belief in supernatural powers that control destiny
  13024. religious movement
    a movement intended to bring about religious reforms
  13025. religious order
    a subdivision of a larger religious group
  13026. religious right
    United States political faction that advocates social and political conservatism, school prayer, and federal aid for religious groups and schools
  13027. religious school
    a school run by a religious body
  13028. religious sect
    a subdivision of a larger religious group
  13029. Religious Society of Friends
    a Christian sect founded by George Fox about 1660
  13030. Remilegia
    a genus of Echeneididae
  13031. removal company
    a company that moves the possessions of a family or business from one site to another
  13032. removal firm
    a company that moves the possessions of a family or business from one site to another
  13033. remuda
    the herd of horses from which those to be used the next day are chosen
  13034. rendezvous
    a meeting planned at a certain time and place
  13035. renegade state
    a state that does not respect other states in its international actions
  13036. rental collection
    a collection of books that can be rented by readers in return for a small daily fee
  13037. rep
    informal abbreviation of `representative'
  13038. repertoire
    the range of skills in a particular field or occupation
  13039. repertory
    a collection of works that an artist or company can perform
  13040. repertory company
    a theatrical company that performs plays from a repertoire
  13041. representation
    standing in for someone and speaking on their behalf
  13042. repressor gene
    gene that prevents a nonallele from being transcribed
  13043. Reptantia
    lobsters; crabs
  13044. reptile family
    a family of reptiles
  13045. reptile genus
    a genus of reptiles
  13046. Reptilia
    class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals
  13047. republic
    a form of government whose head of state is not a monarch
  13048. Republican Guard
    formerly Iraq's elite military unit whose primary role was to protect the government in Baghdad
  13049. Republican Party
    the younger of two major political parties in the United States; GOP is an acronym for grand old party
  13050. res publica
    a politically organized body of people under a single government
  13051. rescue party
    a party of rescuers
  13052. research colloquium
    a colloquium at which the results of research are reported
  13053. research staff
    a group of associated research workers in a university or library or laboratory
  13054. Resedaceae
    mainly Mediterranean herbs: mignonette
  13055. reserve
    hold back or set aside, especially for future use
  13056. reserve bank
    one of 12 regional banks that monitor and act as depositories for banks in their region
  13057. Reserve Officers Training Corps
    a training program to prepare college students to be commissioned officers
  13058. reserves
    civilians trained as soldiers but not part of the regular army
  13059. resistance
    any mechanical force that tends to slow or oppose motion
  13060. response
    the speech act of continuing a conversational exchange
  13061. restaurant chain
    a chain of restaurants
  13062. restrictive clause
    a subordinate clause that limits or restricts the meaning of the noun phrase it modifies
  13063. result
    something that follows as a consequence
  13064. resultant role
    the semantic role of the noun phrase whose referent exists only by virtue of the activity denoted by the verb in the clause
  13065. retail chain
    a chain of retail stores
  13066. retained object
    an object in a passive construction
  13067. Retama
    small genus of Mediterranean shrubs
  13068. retarded
    relatively slow in mental, emotional or physical development
  13069. reticular activating system
    the network in the reticular formation that serves an alerting or arousal function
  13070. reticular formation
    a complex neural network in the central core of the brainstem; monitors the state of the body and functions in such processes as arousal and sleep and attention and muscle tone
  13071. Reticulitermes
    includes species highly destructive to structures and living trees
  13072. reticulum
    any fine network
  13073. retinue
    the group following and attending to some important person
  13074. retreated
    people who have retreated
  13075. Retrophyllum
    small genus of tropical evergreen dioecious shrubs or trees of Oceania and tropical South America
  13076. retrospective
    concerned with or related to the past
  13077. reunion
    the act of coming together again
  13078. revisionism
    a moderate evolutionary form of Marxism
  13079. revival
    bringing again into activity and prominence
  13080. revival meeting
    an evangelistic meeting intended to reawaken interest in religion
  13081. Revolutionary Armed Forces of Colombia
    a powerful and wealthy terrorist organization formed in 1957 as the guerilla arm of the Colombian communist party; opposed to the United States; has strong ties to drug dealers
  13082. revolutionary group
    a political unit organized to promote revolution
  13083. Revolutionary Justice Organization
    a Shiite terrorist organization with strong ties to Iran
  13084. Revolutionary Organization 17 November
    a Marxist-Leninist terrorist organization in Greece that is violently opposed to imperialism and capitalism and NATO and the United States; an active terrorist group during the 1980s
  13085. Revolutionary Organization of Socialist Muslims
    a Palestinian international terrorist organization that split from the PLO in 1974; has conducted terrorist attacks in 20 countries
  13086. Revolutionary People's Liberation Party
    an extreme Marxist terrorist organization in Turkey that is opposed to NATO and the United States; attacks Turkish security and military officials
  13087. Revolutionary People's Liberation Front
    an extreme Marxist terrorist organization in Turkey that is opposed to NATO and the United States; attacks Turkish security and military officials
  13088. Revolutionary People's Struggle
    an extreme leftist terrorist group formed in Greece in 1971 to oppose the military junta that ruled Greece from 1967 to 1974; a revolutionary group opposed to capitalism and imperialism and the United States
  13089. Revolutionary Proletarian Army
    an urban hit squad and guerrilla group of the Communist Party in the Philippines; formed in the 1980s
  13090. Revolutionary Proletarian Initiative Nuclei
    a clandestine group of leftist extremists who oppose Italy's labor policies and foreign policy; responsible for bombing building in the historic center of Rome from 2000 to 2002
  13091. Revolutionary Proletarian Nucleus
    a clandestine group of leftist extremists who oppose Italy's labor policies and foreign policy; responsible for bombing building in the historic center of Rome from 2000 to 2002
  13092. Revolutionary United Front
    a terrorist group formed in the 1980s in Sierra Leone
  13093. revolving door
    a door consisting of four orthogonal partitions that rotate about a central pivot; a door designed to equalize the air pressure in tall buildings
  13094. RF
    a complex neural network in the central core of the brainstem; monitors the state of the body and functions in such processes as arousal and sleep and attention and muscle tone
  13095. Rhagoletis
    a genus of Trypetidae
  13096. Rhamnaceae
    trees and shrubs usually thorny bearing drupaceous fruit many having medicinal value
  13097. Rhamnales
    an order of dicotyledonous plants
  13098. Rhamnus
    type genus of the Rhamnaceae: buckthorns
  13099. Rhapis
    genus of small clump-forming fan palms of China and Japan
  13100. RHD
    a paramilitary group of Protestants in Northern Ireland that tries to prevent any political settlement with the Irish Republic; attacks interests of Catholic civilians in Northern Ireland; responsible for arson and bombing and murder
  13101. Rheidae
    a family of birds coextensive with the order Rheiformes
  13102. Rheiformes
    a ratite bird order: birds intermediate in characteristics between ostriches and emus: recent and extinct rheas
  13103. Rheum
    rhubarb
  13104. Rhexia
    deer grass
  13105. Rhincodon
    whale sharks
  13106. Rhincodontidae
    small-toothed sharks comprising only one species
  13107. Rhinobatidae
    primitive rays with guitar-shaped bodies
  13108. rhinoceros family
    rhinoceroses
  13109. Rhinocerotidae
    rhinoceroses
  13110. Rhinolophidae
    Old World leaf-nosed bats
  13111. Rhinonicteris
    orange horseshoe bats
  13112. Rhinoptera
    a genus of Myliobatidae
  13113. Rhinotermitidae
    large widely distributed family of termites of temperate to tropical regions
  13114. Rhipsalis
    large genus of epiphytic or lithophytic unarmed cacti with usually segmented stems and pendulous branches; flowers are small followed by berrylike fruits
  13115. Rhiptoglossa
    Old World chameleons
  13116. Rhizobiaceae
    a small family of rod-shaped bacteria
  13117. Rhizobium
    the type genus of Rhizobiaceae
  13118. Rhizophora
    type genus of the Rhizophoraceae
  13119. Rhizophoraceae
    trees and shrubs that usually form dense jungles along tropical seacoasts
  13120. Rhizopoda
    creeping protozoans: amoebas and foraminifers
  13121. Rhizopogon
    a genus of fungi having subterranean sporophores resembling tubers
  13122. Rhizopogonaceae
    a family of fungi of order Hymenogastrales having round subterranean sporophores
  13123. Rhodophyceae
    coextensive with the Rhodophyta: red algae
  13124. Rhodophyta
    lower plants; mostly marine and littoral eukaryotic algae
  13125. Rhodosphaera
    one species; an Australian evergreen sumac
  13126. Rhodymenia
    type genus of the family Rhodymeniaceae
  13127. Rhodymeniaceae
    a family of protoctist
  13128. Rhoeadales
    an order of dicotyledonous plants
  13129. Rhus
    deciduous or evergreen shrubs and shrubby trees of temperate and subtropical North America, South Africa, eastern Asia and northeastern Australia; usually limited to nonpoisonous sumacs (see genus Toxicodendron)
  13130. Rhyacotriton
    olympic salamanders
  13131. Rhynchocephalia
    tuataras; extinct forms from middle Triassic
  13132. Rhynchoelaps
    Australian coral snakes
  13133. Rhyncostylis
    genus of epiphytic orchids of tropical Asia
  13134. Rhynia
    type genus of the Rhyniaceae
  13135. Rhyniaceae
    primitive plants of the Paleozoic
  13136. rhythm section
    the section of a band or orchestra that plays percussion instruments
  13137. Ribes
    a flowering shrub bearing currants or gooseberries
  13138. rich
    possessing material wealth
  13139. rich people
    people who have possessions and wealth
  13140. Richea
    evergreen trees or shrubs of mountains of Australia and Tasmania
  13141. Richmondena
    cardinals
  13142. Ricinus
    a genus of herb having only one known species: castor-oil plant
  13143. rick
    a stack of hay
  13144. Rickettsiaceae
    microorganism resembling bacteria inhabiting arthropod tissues but capable of causing disease in vertebrates
  13145. Rickettsiales
    pleomorphic Gram-negative microorganisms
  13146. riding school
    a school where horsemanship is taught and practiced
  13147. riffraff
    common or disreputable people
  13148. right
    free from error; especially conforming to fact or truth
  13149. right wing
    those who support political or social or economic conservatism; those who believe that things are better left unchanged
  13150. ring
    a toroidal shape
  13151. ring-stalked fungus
    genus of gill fungi with brown spores that is closely related to Agaricus; here placed in its own family Strophariaceae
  13152. Riparia
    a genus of Hirundinidae
  13153. riparian forest
    woodlands along the banks of stream or river
  13154. RIRA
    a radical terrorist group that broke away in 1997 when the mainstream Provisional IRA proposed a cease-fire; has continued terrorist activities in opposition to any peace agreement
  13155. Rissa
    a genus of Laridae
  13156. rivet line
    a line of rivets at a seam
  13157. Rivina
    small genus of erect perennial shrubby herbs
  13158. road gang
    a gang of road workers
  13159. Robinia
    deciduous flowering trees and shrubs
  13160. Roccellaceae
    a fungus family of division Lichenes
  13161. Roccus
    a genus of Serranidae
  13162. rock band
    a band of musicians who play rock'n'roll music
  13163. rock group
    a band of musicians who play rock'n'roll music
  13164. rock harlequin
    glaucous herb of northeastern United States and Canada having loose racemes of yellow-tipped pink flowers; sometimes placed in genus Fumaria
  13165. Rock of Gibraltar
    location of a colony of the United Kingdom on a limestone promontory at the southern tip of Spain; strategically important because it can control the entrance of ships into the Mediterranean; one of the Pillars of Hercules
  13166. rockers
    originally a British youth subculture that evolved out of the teddy boys in the 1960s; wore black leather jackets and jeans and boots; had greased hair and rode motorcycles and listened to rock'n'roll; were largely unskilled manual laborers
  13167. rockrose family
    shrubs or woody herbs of temperate regions especially Mediterranean
  13168. Rodentia
    small gnawing animals: porcupines
  13169. Rodolia
    genus of Australian ladybugs
  13170. rogue nation
    a state that does not respect other states in its international actions
  13171. rogue state
    a state that does not respect other states in its international actions
  13172. rogue's gallery
    a coterie of undesirable people
  13173. roller coaster
    elevated railway in an amusement park
  13174. Roman Catholic
    of or relating to or supporting Romanism
  13175. Roman Catholic Church
    the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy
  13176. Roman Church
    the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy
  13177. Roman Inquisition
    an inquisition set up in Italy in 1542 to curb the number of Protestants
  13178. Roman Legion
    a division of from 3000 to 6000 men in the Roman army
  13179. Roman mythology
    the mythology of the ancient Romans
  13180. Roman Republic
    the ancient Roman state from 509 BC until Augustus assumed power in 27 BC; was governed by an elected Senate but dissatisfaction with the Senate led to civil wars that culminated in a brief dictatorship by Julius Caesar
  13181. Roman wormwood
    European wormwood; minor source of absinthe
  13182. Romanoff
    the Russian imperial line that ruled from 1613 to 1917
  13183. Romanov
    the Russian imperial line that ruled from 1613 to 1917
  13184. romantic realism
    the first coherent school of American art
  13185. Rome
    capital and largest city of Italy
  13186. Romneya
    one species: matilija poppy
  13187. roof mushroom
    a large genus of fungi belonging to the family Pluteaceae
  13188. room
    an area within a building enclosed by walls and floor and ceiling
  13189. root system
    a developed system of roots
  13190. rootage
    a developed system of roots
  13191. Roridulaceae
    in some classifications included in the family Droseraceae
  13192. Rorippa
    annual and perennial herbs of damp habitats
  13193. Rosa
    large genus of erect or climbing prickly shrubs including roses
  13194. Rosaceae
    a large family of dicotyledonous plants of order Rosales
  13195. Rosales
    in some classifications this category does not include Leguminosae
  13196. rosary
    a series of prayers counted using a string of beads
  13197. rose family
    a large family of dicotyledonous plants of order Rosales
  13198. Rosellinia
    fungi having smooth perithecia with dark one-celled ascospores
  13199. rosid dicot family
    a family of dicotyledonous plants
  13200. rosid dicot genus
    a genus of dicotyledonous plants
  13201. Rosidae
    a group of trees and shrubs and herbs mostly with polypetalous flowers; contains 108 families including Rosaceae; Crassulaceae; Myrtaceae; Melastomaceae; Euphorbiaceae; Umbelliferae
  13202. Rosmarinus
    rosemary
  13203. Rota
    (Roman Catholic Church) the supreme ecclesiastical tribunal for cases appealed to the Holy See from diocesan courts
  13204. Rotary Club
    a group of businessmen in a town organized as a service club and to promote world peace
  13205. Rotary International
    a group of businessmen in a town organized as a service club and to promote world peace
  13206. ROTC
    a training program to prepare college students to be commissioned officers
  13207. Rotifera
    a phylum including: rotifers
  13208. rotten borough
    an English parliamentary constituency with few electors
  13209. rout
    an overwhelming defeat
  13210. row
    an arrangement of objects or people side by side in a line
  13211. rowing club
    a club for rowers
  13212. Royal Academy
    an honorary academy in London (founded in 1768) intended to cultivate painting and sculpture and architecture in Britain
  13213. Royal Academy of Arts
    an honorary academy in London (founded in 1768) intended to cultivate painting and sculpture and architecture in Britain
  13214. Royal Air Force
    the airforce of Great Britain
  13215. Royal Canadian Mounted Police
    the federal police force of Canada
  13216. royal court
    the family and retinue of a sovereign or prince
  13217. royal family
    royal persons collectively
  13218. royal flush
    a poker hand with the ace, king, queen, jack, and 10 all in the same suit
  13219. royal house
    royal persons collectively
  13220. royal line
    royal persons collectively
  13221. Royal Society
    an honorary English society (formalized in 1660 and given a royal charter by Charles II in 1662) through which the British government has supported science
  13222. Royal Society of London for Improving Natural Knowledge
    an honorary English society (formalized in 1660 and given a royal charter by Charles II in 1662) through which the British government has supported science
  13223. royalty
    royal persons collectively
  13224. Roystonea
    a monocotyledonous genus of West Indian feather palms
  13225. RPA-ABB
    an urban hit squad and guerrilla group of the Communist Party in the Philippines; formed in the 1980s
  13226. Rub al-Khali
    a desert in southern Saudi Arabia
  13227. rubber tree
    small genus of South American trees yielding latex
  13228. Rubia
    type genus of the Rubiaceae
  13229. Rubiaceae
    widely distributed family of mostly tropical trees and shrubs and herbs; includes coffee and chinchona and gardenia and madder and bedstraws and partridgeberry
  13230. Rubiales
    an order of dicotyledonous plants of the subclass Asteridae
  13231. Rubus
    large genus of brambles bearing berries
  13232. ruck
    become wrinkled or drawn together
  13233. Rudbeckia
    North American perennial herbs with showy cone-shaped flower heads
  13234. rue family
    a family of dicotyledonous plants of order Geraniales
  13235. RUF
    a terrorist group formed in the 1980s in Sierra Leone
  13236. rule book
    a collection of rules or prescribed standards on the basis of which decisions are made
  13237. ruling class
    the class of people exerting power or authority
  13238. Rumex
    docks: coarse herbs and shrubs mainly native to north temperate regions
  13239. Ruminantia
    cattle
  13240. Rumohra
    leatherleaf ferns: in some classifications included in genus Polystichum
  13241. run
    move fast by using one's feet
  13242. run-on sentence
    an ungrammatical sentence in which two or more independent clauses are conjoined without a conjunction
  13243. Rupicapra
    chamois
  13244. Rupicola
    cock of the rocks
  13245. Ruptiliocarpon
    new (1993) genus of trees of Central America now recognized as similar to those of genus Lepidobotrys
  13246. rupturewort
    common prostrate Old World herb often used as a ground cover
  13247. Ruscaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
  13248. Ruscus
    a genus of European evergreen shrubs
  13249. rush family
    tufted herbs resembling grasses: rushes
  13250. Russian agency
    an administrative agency of the Russian government
  13251. Russian Orthodox Church
    an independent church with its own Patriarch
  13252. Russula
    large genus of fungi with stout stems and white spores and neither annulus nor volva; brittle caps of red or purple or yellow or green or blue; differs from genus Lactarius in lacking milky juice
  13253. Russulaceae
    used in some classification systems for the genus Russula
  13254. Ruta
    type genus of the Rutaceae; strong-scented Eurasian herbs
  13255. Rutaceae
    a family of dicotyledonous plants of order Geraniales
  13256. Rutilus
    roaches
  13257. Rynchopidae
    coextensive with the genus Rynchops: skimmers
  13258. Rynchops
    type genus of the Rynchopidae: skimmers
  13259. Rypticus
    a genus of fish of the family Serranidae, including soapfishes
  13260. SA
    Nazi militia created by Hitler in 1921 that helped him to power but was eclipsed by the SS after 1943
  13261. Sabal
    American dwarf fan palms
  13262. Sabaoth
    hosts or armies
  13263. sabbat
    a midnight meeting of witches to practice witchcraft and sorcery; in the Middle Ages it was supposed to be a demonic orgy
  13264. Sabbath school
    school meeting on Sundays for religious instruction
  13265. Sabinea
    small genus of deciduous West Indian trees or shrubs: carib wood
  13266. Saccharomyces
    single-celled yeasts that reproduce asexually by budding
  13267. Saccharomycetaceae
    family of fungi comprising the typical yeasts: reproduce by budding and ferment carbohydrates
  13268. Saccharum
    tall perennial reedlike grass originally of southeastern Asia: sugarcane
  13269. Sacred College
    (Roman Catholic Church) the body of cardinals who advise the Pope and elect new Popes
  13270. Saddam's Martyrs
    a feared paramilitary unit formed in 1995 by young soldiers to serve Saddam Hussein against domestic opponents
  13271. Sadleria
    low tree ferns with large fronds
  13272. Sagina
    small low-growing annual or perennial herbs of temperate and cool regions
  13273. Sagittaria
    genus of aquatic herbs of temperate and tropical regions having sagittate or hastate leaves and white scapose flowers
  13274. Sagittariidae
    secretary birds
  13275. Sagittarius
    a large zodiacal constellation in the southern hemisphere
  13276. Sahara
    the world's largest desert in northern Africa
  13277. Sahara Desert
    the world's largest desert in northern Africa
  13278. Saimiri
    squirrel monkeys
  13279. sainthood
    the status and dignity of a saint
  13280. Saintpaulia
    east African herb with nodding flowers; widely cultivated
  13281. Saktism
    a Hindu sect worshiping Shakti
  13282. Salafast Group for Call and Combat
    an Algerian extremist Islamic offshoot of the Armed Islamic Group; now the largest and most active armed terrorist group in Algeria that seeks to overthrow the government; a major source of support and recruitment for al-Qaeda operations in Europe and northern Africa
  13283. Salafist Group
    an Algerian extremist Islamic offshoot of the Armed Islamic Group; now the largest and most active armed terrorist group in Algeria that seeks to overthrow the government; a major source of support and recruitment for al-Qaeda operations in Europe and northern Africa
  13284. Salah al-Din Battalions
    the military arm of Hamas responsible for suicide bombings and other attacks on Israel
  13285. Salamandra
    type genus of the Salamandridae
  13286. Salamandridae
    salamanders
  13287. sales department
    the division of a business that is responsible for selling products or services
  13288. sales division
    the division of a business that is responsible for selling products or services
  13289. sales finance company
    a finance company that buys (at a discount) the installment sales contracts of retail merchants
  13290. sales force
    the division of a business that is responsible for selling products or services
  13291. sales staff
    those in a business who are responsible for sales
  13292. Salicaceae
    two genera of trees or shrubs having hairy catkins: Salix
  13293. Salicales
    coextensive with the family Salicaceae
  13294. Salicornia
    glassworts
  13295. Salientia
    frogs, toads, tree toads
  13296. Salix
    a large and widespread genus varying in size from small shrubs to large trees: willows
  13297. salmagundi
    cooked meats and eggs and vegetables usually arranged in rows around the plate and dressed with a salad dressing
  13298. Salmo
    type genus of the Salmonidae: salmon and trout
  13299. Salmonidae
    salmon and trout
  13300. Salpichroa
    herbs of temperate North and South America: cock's eggs
  13301. Salpidae
    a small family of tunicates in the class Thaliacea
  13302. Salpinctes
    a genus of Troglodytidae
  13303. Salsola
    chiefly Old World herbs or shrubs: saltworts
  13304. saltwort family
    family coextensive with genus Batis: saltworts
  13305. Salvadora
    genus of evergreen trees or shrubs
  13306. Salvadora family
    a family of Old World shrubs and trees of order Gentianales
  13307. Salvadoraceae
    a family of Old World shrubs and trees of order Gentianales
  13308. Salvation Army
    a charitable and religious organization to evangelize and to care for the poor and homeless
  13309. Salvelinus
    brook trout
  13310. Salvinia
    type genus of the Salviniaceae: water ferns
  13311. Salviniaceae
    water ferns
  13312. Sambucus
    elder; elderberry
  13313. same-sex marriage
    two people of the same sex who live together as a family
  13314. Samia
    silkworm moths
  13315. Samolus
    genus of herbs usually growing in salt marshes: water pimpernels
  13316. sampler
    someone who samples food or drink for its quality
  13317. samurai
    feudal Japanese military aristocracy
  13318. sandalwood family
    chiefly tropical herbs or shrubs or trees bearing nuts or one-seeded fruit
  13319. Sanguinaria
    one species: bloodroot
  13320. Sanhedrin
    the supreme judicial and ecclesiastical council of ancient Jerusalem
  13321. Sanicula
    chiefly American herbs: sanicle
  13322. sanitation department
    the department of local government responsible for collecting and disposing of garbage
  13323. Santalaceae
    chiefly tropical herbs or shrubs or trees bearing nuts or one-seeded fruit
  13324. Santalales
    order of plants distinguished by having a one-celled inferior ovary; many are parasitic or partly parasitic usually on roots
  13325. Santalum
    parasitic trees of Indonesia and Malaysia
  13326. Santolina
    genus of Mediterranean subshrubs with rayless flower heads
  13327. Sanvitalia
    small genus of tropical American annual herbs: creeping zinnia
  13328. Sapindaceae
    chiefly tropical New and Old World deciduous and evergreen trees and shrubs bearing leathery drupes with yellow translucent flesh; most plants produce toxic saponins
  13329. Sapindales
    an order of dicotyledonous plants
  13330. Sapindus
    type genus of the Sapindaceae
  13331. sapodilla family
    tropical trees or shrubs with milky juice and often edible fleshy fruit
  13332. Saponaria
    mostly perennial Old World herbs
  13333. Sapotaceae
    tropical trees or shrubs with milky juice and often edible fleshy fruit
  13334. Saprolegnia
    aquatic fungi growing chiefly on plant debris and animal remains
  13335. Saprolegniales
    order of chiefly aquatic fungi
  13336. saratoga
    a species of large fish found in Australian rivers
  13337. Sarcobatus
    one species: greasewood
  13338. Sarcocephalus
    genus of tropical African trees and shrubs
  13339. Sarcochilus
    diminutive epiphytic or lithophytic orchids with clumped short-stemmed foliage and arching racemes of colorful flowers; Australia and Polynesia to southeastern Asia
  13340. Sarcocystis
    chief genus of the order Sarcosporidia
  13341. Sarcodes
    snow plant
  13342. Sarcodina
    characterized by the formation of pseudopods for locomotion and taking food: Actinopoda; Rhizopoda
  13343. Sarcophaga
    flesh flies
  13344. Sarcophilus
    Tasmanian devil
  13345. Sarcoptes
    type genus of the family Sarcoptidae: itch mites
  13346. Sarcoptidae
    small whitish mites
  13347. Sarcorhamphus
    usually containing only the king vulture
  13348. Sarcoscyphaceae
    family of fungi belonging to the order Pezizales
  13349. Sarcosporidia
    imperfectly known parasites of the muscles of vertebrates
  13350. Sarcostemma
    succulent subshrubs or vines
  13351. Sarda
    bonitos
  13352. Sardina
    pilchards
  13353. Sardinops
    pilchards
  13354. Sarracenia
    pitcher plants
  13355. Sarraceniaceae
    insectivorous plants
  13356. Sarraceniales
    plants that are variously modified to serve as insect traps: families Sarraceniaceae; Nepenthaceae; Droseraceae
  13357. SAS
    a specialist regiment of the British army that is trained in commando techniques of warfare and used in clandestine operations (especially against terrorist groups)
  13358. Satureia
    savory
  13359. Satureja
    savory
  13360. Saturnia
    type genus of the Saturniidae: emperor moth
  13361. Saturniidae
    important and widely distributed family of moths including some of the largest insects known
  13362. Satyridae
    a widely distributed family of butterflies common near the edges of woods
  13363. Sauria
    true lizards; including chameleons and geckos
  13364. Saurischia
    extinct terrestrial reptiles: theropods ; sauropods
  13365. Sauromalus
    chuckwallas
  13366. Sauropoda
    any of the sauropod dinosaurs
  13367. Sauropodomorpha
    gigantic herbivorous dinosaurs having huge bodies with long necks and small heads: Prosauropoda and Sauropoda (apatosaurus, diplodocus and titanosaurs)
  13368. Sauropterygia
    extinct marine reptiles: plesiosaurs; nothosaurs
  13369. Saurosuchus
    early archosaurian carnivore
  13370. Saururaceae
    family of perennial aromatic herbs: genera Saururus, Anemopsis, Houttuynia
  13371. Saururus
    type genus of the Saururaceae: lizard's-tails
  13372. Saussurea
    genus of herbs of temperate and cool regions of Eurasia
  13373. savanna
    a flat grassland in tropical or subtropical regions
  13374. savannah
    a flat grassland in tropical or subtropical regions
  13375. savings and loan
    a thrift institution that is required by law to make a certain percentage of its loans as home mortgages
  13376. savings and loan association
    a thrift institution that is required by law to make a certain percentage of its loans as home mortgages
  13377. savings bank
    a thrift institution in the northeastern United States
  13378. Saxe-Coburg-Gotha
    the name of the royal family that ruled Great Britain from 1901-1917; the name was changed to Windsor in 1917 in response to anti-German feelings in World War I
  13379. Saxe-gothea
    one species: Prince Albert's yew
  13380. Saxegothea
    one species: Prince Albert's yew
  13381. Saxicola
    Old World chats
  13382. Saxifraga
    type genus of the Saxifragaceae
  13383. Saxifragaceae
    a large and diverse family of evergreen or deciduous herbs
  13384. saxifrage family
    a large and diverse family of evergreen or deciduous herbs
  13385. sayeret
    Israel's elite secret commando unit responsible for counterterrorist and top secret intelligence gathering and hostage rescue missions
  13386. Sayeret Mat'kal
    Israel's elite secret commando unit responsible for counterterrorist and top secret intelligence gathering and hostage rescue missions
  13387. Sayeret Matkal
    Israel's elite secret commando unit responsible for counterterrorist and top secret intelligence gathering and hostage rescue missions
  13388. Sayornis
    phoebes
  13389. SBA
    an independent agency of the United States government that protects the interests of small businesses and ensures that they receive a fair share of government contracts
  13390. SC
    a permanent council of the United Nations
  13391. scaffold
    a temporary arrangement erected around a building
  13392. scalar matrix
    a diagonal matrix in which all of the diagonal elements are equal
  13393. Scandentia
    a small order comprising only the tree shrews: in some classifications tree shrews are considered either primates (and included in the suborder Prosimii) or true insectivores (and included in the order Insectivora)
  13394. Scaphiopus
    New World spadefoot toads
  13395. Scaphopoda
    small class of bilaterally symmetrical marine forms comprising the tooth shells
  13396. Scaphosepalum
    comprises some tropical American species usually placed in genus Masdevallia: diminutive plants with small flowers carried on one scape
  13397. Scarabaeidae
    scarab or dung beetles
  13398. Scardinius
    rudds
  13399. Scaridae
    parrotfishes
  13400. Scartella
    a genus of Blenniidae
  13401. Sceliphron
    mud daubers
  13402. Sceloglaux
    a genus of Strigidae
  13403. Sceloporus
    spiny lizards
  13404. scenic railway
    small railway in an amusement park
  13405. Schaffneria
    one species
  13406. scheduled territories
    the group of countries whose currencies are tied to the British pound sterling
  13407. Schefflera
    large genus of shrubby and climbing tropical plants having showy digitately compound foliage
  13408. scheme
    an elaborate and systematic plan of action
  13409. Scheuchzeriaceae
    a family of monocotyledonous bog herbs of order Naiadales
  13410. Schinus
    genus of evergreen shrubs and trees of tropical and subtropical regions of South and Central America and Canary Islands and China
  13411. Schistosoma
    type genus of the family Schistosomatidae: blood flukes
  13412. Schistosomatidae
    a family of Trematoda
  13413. Schizachyrium
    overlaps the genus Andropogon
  13414. Schizaea
    type genus of the Schizaeaceae cosmopolitan especially in tropics; small leptosporangiate ferns: curly grass fern
  13415. Schizaeaceae
    small family of mainly tropical ferns
  13416. Schizomycetes
    a former classification
  13417. Schizophragma
    small genus of deciduous climbing and creeping shrubs with white flowers in flat clusters; sometimes placed in family Saxifragaceae
  13418. Schizophyceae
    former terms for Cyanophyceae
  13419. Schizophyta
    former term for the Cyanophyta
  13420. Schizopoda
    in former classifications a division of Malacostraca
  13421. Schizosaccharomyces
    type and only genus of Schizosaccharomycetaceae
  13422. Schizosaccharomycetaceae
    a family of fungi belonging to order Endomycetales
  13423. Schlumbergera
    South American epiphytic or lithophytic cacti
  13424. schmear
    (Yiddish) a batch of things that go together
  13425. schmeer
    (Yiddish) a batch of things that go together
  13426. schola cantorum
    a school that is part of a cathedral or monastery where boys with singing ability can receive a general education
  13427. Schomburgkia
    genus of tropical American epiphytic orchids with showy racemose flowers
  13428. school
    an educational institution
  13429. school board
    a board in charge of local public schools
  13430. school of dentistry
    a graduate school offering study leading to degrees in dentistry
  13431. school of law
    a graduate school offering study leading to a law degree
  13432. school of medicine
    a graduate school offering study leading to a medical degree
  13433. school of music
    a school for the study of music
  13434. school of nursing
    a school for training nurses
  13435. Schutzstaffel
    special police force in Nazi Germany founded as a personal bodyguard for Adolf Hitler in 1925; the SS administered the concentration camps
  13436. Schwarzwald
    a hilly forest region in southwestern Germany
  13437. Sciadopityaceae
    family comprising a single genus that until recently was considered part of Taxodiaceae
  13438. Sciadopitys
    type and sole genus of Sciadopityaceae
  13439. Sciaena
    type genus of the Sciaenidae: croakers
  13440. Sciaenidae
    warm-water marine fishes including the drums and grunts and croakers and sea trout
  13441. Sciaenops
    a genus of Sciaenidae
  13442. Sciaridae
    fungus gnats
  13443. Scientology
    a new religion founded by L. Ron Hubbard in 1955 and characterized by a belief in the power of a person's spirit to clear itself of past painful experiences through self-knowledge and spiritual fulfillment
  13444. Scincella
    a reptile genus of Scincidae
  13445. Scincidae
    skinks
  13446. Scincus
    type genus of Scincidae
  13447. Scindapsus
    evergreen climbers with adhesive adventitious roots
  13448. Scirpus
    rhizomatous perennial grasslike herbs
  13449. Sciuridae
    a mammal family of true squirrels including: ground squirrels; marmots; chipmunks; flying squirrels; spermophiles
  13450. Sciuromorpha
    large more or less primitive rodents: squirrels
  13451. Sciurus
    type genus of the Sciuridae
  13452. Scleranthus
    small genus of Old World weedy prostrate annuals: knawel
  13453. Scleroderma
    genus of poisonous fungi having hard-skinned fruiting bodies: false truffles
  13454. Sclerodermataceae
    a family of fungi or order Sclerodermatales with a single-layered peridium; includes earthballs
  13455. Sclerodermatales
    an order of fungi having a peridium surrounding a gleba
  13456. Scleropages
    a genus of large freshwater fishes of Australia and Borneo
  13457. Scleropages jardinii
    a species of large fish found in Australian rivers
  13458. Scleropages leichardti
    a species of large fish found in Australian rivers
  13459. Scleroparei
    scorpionfishes
  13460. Sclerotiniaceae
    a fungus family of order Helotiales
  13461. Sclerotium
    form genus of sterile imperfect fungi
  13462. Scolopacidae
    sandpiper family: sandpipers
  13463. Scolopax
    type of the Scolopacidae: Old World woodcocks
  13464. Scolymus
    small genus of thistlelike herbs of the Mediterranean region
  13465. Scolytidae
    large family of bark-boring or wood-boring short-beaked beetles; very destructive to forest and fruit trees
  13466. Scolytus
    type genus of the Scolytidae comprising numerous small bark beetles
  13467. Scomber
    type genus of the Scombridae
  13468. Scomberesocidae
    only sauries
  13469. Scomberesox
    a genus of Scomberesocidae
  13470. Scomberomorus
    Spanish mackerels
  13471. Scombresocidae
    only sauries
  13472. Scombresox
    a genus of Scomberesocidae
  13473. Scombridae
    marine food fishes: mackerels; chub mackerels; tuna
  13474. Scombroidea
    mackerels
  13475. Scophthalmus
    a genus of Bothidae
  13476. Scopolia
    genus of European perennial herbs yielding medicinal alkaloids
  13477. score
    a number that expresses accomplishment in a game or contest
  13478. Scorpaena
    type genus of the Scorpaenidae: scorpionfishes
  13479. Scorpaenidae
    scorpionfishes; rockfishes; lionfishes
  13480. Scorpaenoidea
    mail-cheeked fishes: scorpionfishes; gurnards
  13481. Scorpionida
    true scorpions
  13482. Scotland Yard
    the detective department of the metropolitan police force of London
  13483. scout group
    a unit of Girl or Boy Scouts
  13484. scout troop
    a unit of Girl or Boy Scouts
  13485. scrapheap
    pile of discarded metal
  13486. screen
    partition consisting of a decorative frame or panel that serves to divide a space
  13487. screenland
    the personnel of the film industry
  13488. screw-pine family
    family of woody plants of the order Pandanales including pandanus
  13489. Scrophularia
    type genus of Scrophulariaceae
  13490. Scrophulariaceae
    a family of dicotyledonous plants of the order Polemoniales
  13491. Scrophulariales
    used in some classification systems
  13492. scrub
    wash thoroughly
  13493. scrum
    (rugby) the method of beginning play in which the forwards of each team crouch side by side with locked arms; play starts when the ball is thrown in between them and the two sides compete for possession
  13494. scum
    a film of impurities or vegetation that can form on the surface of a liquid
  13495. Scutellaria
    an asterid dicot genus that includes the skullcaps
  13496. Scutigera
    a genus of Scutigeridae
  13497. Scutigerella
    garden centipedes
  13498. Scutigeridae
    a family of Chilopoda
  13499. Scyliorhinidae
    small bottom-dwelling sharks
  13500. Scyphozoa
    coelenterates in which the polyp stage is absent or at least inconspicuous: jellyfishes
  13501. sea power
    a nation that possesses formidable naval strength
  13502. sea-lavender family
    perennial herbs and shrubs and lianas
  13503. sea-lettuce family
    thin flat or tubular green algae
  13504. Seanad
    the upper house of the parliament of the Irish Republic
  13505. Seanad Eireann
    the upper house of the parliament of the Irish Republic
  13506. seance
    a meeting of spiritualists
  13507. search party
    a party of people to search for someone
  13508. Sebastiana
    Mexican spurges
  13509. Sebastodes
    rockfishes
  13510. SEC
    an independent federal agency that oversees the exchange of securities to protect investors
  13511. Secale
    cereal grass widely cultivated for its grain: rye
  13512. secession
    formal separation from an alliance or federation
  13513. Second Council of Constantinople
    the fifth ecumenical council in 553 which held Origen's writings to be heretic
  13514. Second Council of Lyons
    the council in 1274 that effected a temporary reunion of the Greek Orthodox with the Roman Catholic Church
  13515. Second Council of Nicaea
    the seventh ecumenical council in 787 which refuted iconoclasm and regulated the veneration of holy images
  13516. Second Empire
    the imperial government of Napoleon III in France from 1852-1870
  13517. second estate
    the nobility in France and the peerage in Britain
  13518. second growth
    a second growth of trees covering an area where the original stand was destroyed by fire or cutting
  13519. Second Lateran Council
    the second council of the Western Church in 1139 which put an end to the dogmatic errors of Arnold of Brescia
  13520. second person
    pronouns and verbs that refer to the person being addressed
  13521. Second Reich
    the Reich when Hohenzollern monarchs ruled Germany
  13522. second string
    a squad of players that are available either individually or as a team to relieve or replace the players who started the game
  13523. Second Vatican Council
    the Vatican Council in 1962-1965 that abandoned the universal Latin liturgy and acknowledged ecumenism and made other reforms
  13524. secondary
    being of second rank or importance or value
  13525. secondary dentition
    dentition of permanent teeth
  13526. secondary diagonal
    the diagonal of a square matrix running from the lower left entry to the upper right entry
  13527. secondary modern school
    a former British secondary school emphasizing practical rather than academic education
  13528. secondary school
    a school for students intermediate between elementary school and college; usually grades 9 to 12
  13529. Secotiaceae
    a family of fungi that have a stalk and cap and a wrinkled mass of tissue (the gleba) where spores are produced; are often dismissed as misshapen forms of other fungi
  13530. Secotiales
    an order of fungi belonging to the class Gasteromycetes
  13531. Secret Intelligence Service
    the government agency in the United Kingdom that is responsible for internal security and counterintelligence overseas
  13532. secret police
    a police force that operates in secrecy
  13533. Secret Service
    the U.S. intelligence agency that protects the President
  13534. secret society
    a society that conceals its activities from nonmembers
  13535. secretarial school
    a school where secretarial skills are taught
  13536. secretariat
    an administrative unit responsible for maintaining records and other secretarial duties; especially for international organizations
  13537. secretariate
    an administrative unit responsible for maintaining records and other secretarial duties; especially for international organizations
  13538. sect
    a subdivision of a larger religious group
  13539. section
    one of several parts or pieces that fit with others
  13540. section gang
    a work crew assigned to a section of a railroad
  13541. sector
    a particular aspect of life or activity
  13542. Securities and Exchange Commission
    an independent federal agency that oversees the exchange of securities to protect investors
  13543. securities firm
    a stock broker's business
  13544. securities industry
    the securities markets in the aggregate
  13545. securities law
    the body of laws governing the issuance and selling of securities
  13546. security
    the state of being free from danger or injury
  13547. Security Council
    a permanent council of the United Nations
  13548. security department
    a department responsible for the security of the institution's property and workers
  13549. security force
    a privately employed group hired to protect the security of a business or industry
  13550. Security Intelligence Review Committee
    an agency of the Canadian government that oversees the activities of the Criminal Intelligence Services of Canada and has the power to intrude on the privacy of suspected terrorists or spies
  13551. Security Service
    the government agency in the United Kingdom that is responsible for internal security and counterintelligence on British territory
  13552. security staff
    those in an organization responsible for preventing spying or theft
  13553. sedge family
    bulrush; chufa; cotton grass; papyrus; umbrella plant
  13554. segregation
    the act of keeping apart
  13555. Seismosaurus
    genus of large herbivorous dinosaurs of Cretaceous found in western North America
  13556. Seiurus
    ovenbirds and water thrushes
  13557. Selachii
    sharks; rays; dogfishes; skates
  13558. Selaginella
    type and sole genus of the Selaginellaceae
  13559. Selaginellaceae
    lesser club mosses: terrestrial chiefly tropical plants resembling mosses
  13560. Selaginellales
    in some classifications included in Lycopodiales
  13561. Selar
    big-eyed scad
  13562. select committee
    a parliamentary group appointed for some special purpose
  13563. selection
    the act of choosing
  13564. Selective Service
    an independent federal agency that administers compulsory military service
  13565. Selective Service System
    an independent federal agency that administers compulsory military service
  13566. Selenarctos
    Asiatic black bears
  13567. Selene
    goddess of the Moon in ancient mythology
  13568. Selenicereus
    mostly epiphytic climbing cacti that bloom at night
  13569. Selenipedium
    genus of tall reedlike tropical American orchids
  13570. Seljuk
    of or relating to the Seljuks
  13571. selva
    a rain forest in a tropical area
  13572. semantic role
    (linguistics) the underlying relation that a constituent has with the main verb in a clause
  13573. seminar
    a course offered for a small group of advanced students
  13574. seminary
    a school for training ministers or priests or rabbis
  13575. senate
    assembly possessing high legislative powers
  13576. Sendero Luminoso
    a terrorist group formed in Peru in the late 1960s as a splinter group from the communist party of Peru; is among the most ruthless guerilla organizations in the world; seeks to destroy Peruvian institutions and replace them with a Maoist peasant regime; is involved in the cocaine trade
  13577. Senecio
    enormous and diverse cosmopolitan genus of trees and shrubs and vines and herbs including many weeds
  13578. senior class
    final grade or class in high school or college
  13579. senior high
    a public secondary school usually including grades 9 through 12
  13580. senior high school
    a public secondary school usually including grades 9 through 12
  13581. sentence
    a string of words satisfying grammatical rules of a language
  13582. separatism
    a belief that one group should live apart from a larger group
  13583. Sepia
    type genus of the Sepiidae
  13584. Sepiidae
    true cuttlefishes
  13585. sept
    people descended from a common ancestor
  13586. septet
    a musical composition written for seven performers
  13587. septette
    a set of seven similar things considered as a unit
  13588. Septobasidiaceae
    a family of fungi belonging to the subdivision Basidiomycota
  13589. Septobasidium
    type genus of Septobasidiaceae: smooth shelf fungi usually having a well-developed sometimes thick-walled hypobasidium
  13590. sequence
    a following of one thing after another in time
  13591. Sequoiadendron
    giant sequoias
  13592. Serenoa
    one species: saw palmetto
  13593. Sericocarpus
    small genus of herbs of the eastern United States: white-topped asters
  13594. series
    similar things placed in order or one after another
  13595. Serinus
    Old World finches; e.g. canaries and serins
  13596. Seriola
    a genus of Carangidae
  13597. Seriphidium
    woody plants grown chiefly for their silver or grey and often aromatic foliage; formerly included in the genus Artemisia
  13598. Seriphus
    a genus of Sciaenidae
  13599. Serpentes
    snakes
  13600. Serranidae
    marine fishes: sea basses; sea perches; groupers; jewfish
  13601. Serranus
    type genus of the Serranidae: mostly small Pacific sea basses
  13602. Serrasalmus
    piranhas
  13603. Serratia
    a genus of motile peritrichous bacteria that contain small Gram-negative rod
  13604. Serratia marcescens
    the type species of the genus Serratia
  13605. serration
    the condition of being serrated
  13606. Serratula
    genus of Old World perennial herbs with spirally arranged toothed leaves
  13607. Sertularia
    sessile hydroid that forms feathery colonies
  13608. service
    an act of help or assistance
  13609. service agency
    a business that makes its facilities available to others for a fee; achieves economy of scale
  13610. service bureau
    a business that makes its facilities available to others for a fee; achieves economy of scale
  13611. service club
    a club of professional or business people organized for their coordination and active in public services
  13612. service department
    the division of a business that provides customer services
  13613. service firm
    a business that makes its facilities available to others for a fee; achieves economy of scale
  13614. service industry
    an industry that provides services rather than tangible objects
  13615. service staff
    those in a business responsible for maintaining the physical plant
  13616. sesame family
    the family of plants of order Polemoniales
  13617. Sesamum
    tropical African and Indian herbs
  13618. Seseli
    a rosid dicot genus that includes moon carrots
  13619. session
    a meeting for execution of a group's functions
  13620. sestet
    a group of six lines of verse
  13621. set
    put into a certain place or abstract location
  13622. Setaria
    annual or perennial grasses of warm regions: bristlegrasses
  13623. Setophaga
    a genus of Parulidae
  13624. settlement
    the act of colonizing; the establishment of colonies
  13625. sevensome
    seven people considered as a unit
  13626. sex
    one of two categories into which most organisms are divided
  13627. sex segregation
    the traditional Hindu or Muslim system of keeping women secluded
  13628. sextet
    six performers or singers who perform together
  13629. sextette
    six performers or singers who perform together
  13630. sezession
    an Austrian school of art and architecture parallel to the French art nouveau in the 1890s
  13631. shadow cabinet
    advisors appointed by a political party that is not in power
  13632. Shakers
    a celibate and communistic Christian sect in the United States
  13633. Shaktism
    a Hindu sect worshiping Shakti
  13634. Shang
    the imperial dynasty ruling China from about the 18th to the 12th centuries BC
  13635. Shang dynasty
    the imperial dynasty ruling China from about the 18th to the 12th centuries BC
  13636. SHAPE
    the supreme headquarters that advises NATO on military matters and oversees all aspects of the Allied Command Europe
  13637. sharia
    the code of religious law derived from the Quran
  13638. sharia law
    the code of religious law derived from the Quran
  13639. shariah
    the code of religious law derived from the Quran
  13640. shariah law
    the code of religious law derived from the Quran
  13641. shebang
    an entire system; used in the phrase `the whole shebang'
  13642. shell corporation
    a company that is incorporated but has no assets or operations
  13643. shell entity
    a company that is incorporated but has no assets or operations
  13644. Sherwood Forest
    an ancient forest in central England
  13645. Shia
    one of the two main branches of orthodox Islam
  13646. Shiah
    one of the two main branches of orthodox Islam
  13647. Shiah Islam
    one of the two main branches of orthodox Islam
  13648. shift
    move very slightly
  13649. Shin Bet
    the Israeli domestic counterintelligence and internal security agency
  13650. shindig
    a large and noisy party of people
  13651. shindy
    a large and noisy party of people
  13652. Shining Path
    a terrorist group formed in Peru in the late 1960s as a splinter group from the communist party of Peru; is among the most ruthless guerilla organizations in the world; seeks to destroy Peruvian institutions and replace them with a Maoist peasant regime; is involved in the cocaine trade
  13653. Shinto
    the ancient indigenous religion of Japan lacking formal dogma; characterized by a veneration of nature spirits and of ancestors
  13654. ship's company
    crew of a ship including the officers
  13655. shipbuilder
    a business that builds and repairs ships
  13656. shipbuilding industry
    an industry that builds ships
  13657. shipper
    a company in the business of shipping freight
  13658. shipping company
    a company that provides shipping services
  13659. Shivaism
    a Hindu sect worshiping Shiva
  13660. shmear
    (Yiddish) a batch of things that go together
  13661. shoal
    a stretch of shallow water
  13662. shock
    an unpleasant or disappointing surprise
  13663. shock troops
    soldiers who are specially trained and armed to lead an assault
  13664. shoe industry
    an industry that manufactures and sells shoes
  13665. shogunate
    a form of government in which the ruler is an absolute dictator (not restricted by a constitution or laws or opposition etc.)
  13666. shore patrol
    the military police of the navy
  13667. Shorea
    genus of Indonesian and Malaysian timber trees rich in resin
  13668. show biz
    those involved in providing entertainment: radio and television and films and theater
  13669. show business
    those involved in providing entertainment: radio and television and films and theater
  13670. shower
    a brief period of precipitation
  13671. shrubbery
    an area where a number of shrubs are planted
  13672. Shua
    any branch of Shinto other than Kokka
  13673. shudra
    the lowest of the four varnas: the servants and workers of low status
  13674. Shuha Shinto
    any branch of Shinto other than Kokka
  13675. Sialia
    North American bluebirds
  13676. Sialidae
    an arthropod family including: alderflies
  13677. Sialis
    type genus of the Sialidae
  13678. Sicilian Mafia
    a secret terrorist group in Sicily
  13679. sick
    affected by impairment of normal physical or mental function
  13680. sick call
    the daily military formation at which individuals report to the medical officer as sick
  13681. sick parade
    the daily military formation at which individuals report to the medical officer as sick
  13682. Sida
    large genus of tropical subshrubs or herbs some of which yield fibers of mucilaginous substances
  13683. Sidalcea
    genus of showy plants of western North America having palmate leaves and variously colored racemose flowers
  13684. side
    a place within a region identified relative to a center or reference location
  13685. Sideritis
    genus of woolly aromatic herbs or subshrubs or shrubs of Mediterranean region
  13686. Sigmodon
    American cotton rats
  13687. sign industry
    an industry that produces signs
  13688. signage
    signs collectively (especially commercial signs or posters)
  13689. Sillaginidae
    small family of small food fishes in shallow waters of the Pacific around Indonesia
  13690. Sillago
    type genus of the Sillaginidae
  13691. Silphium
    tall North American perennial herbs
  13692. Siluridae
    Old World catfishes
  13693. Siluriformes
    an order of fish belonging to the superorder Malacopterygii including catfishes
  13694. Silurus
    type genus of the Siluridae: catfishes
  13695. silva
    the forest trees growing in a country or region
  13696. Silvia
    type genus of the Sylviidae: warblers
  13697. Silybum
    small genus of east African herbs
  13698. Simarouba
    type genus of Simaroubaceae
  13699. Simaroubaceae
    chiefly tropical trees and shrubs with bitter bark having dry usually one-seeded winged fruit
  13700. simple sentence
    a sentence having no coordinate clauses or subordinate clauses
  13701. Simpson Desert
    a desert region of central Australia
  13702. Simuliidae
    blackflies and sand flies
  13703. Simulium
    type genus of the Simuliidae: blackflies
  13704. Sinai
    a mountain peak in the southern Sinai Peninsula
  13705. Sinai Desert
    a desert on the Sinai Peninsula in northeastern Egypt
  13706. Sinapis
    small genus of Old World herbs usually included in genus Brassica
  13707. single file
    a line of persons or things ranged one behind the other
  13708. singleton
    the playing card that is the only card in a suit held in a bridge hand as initially dealt
  13709. singular matrix
    a square matrix whose determinant is zero
  13710. Sinningia
    genus of perennial tuberous herbs and shrubs of Central and South America
  13711. Sipah-e-Sahaba
    a vicious sectarian organization in Pakistan that persecutes Shiite Muslims and collaborates with al-Qaeda to attack foreigners and to disrupt the government of Pakistan
  13712. Siphonaptera
    fleas
  13713. Siphonophora
    marine colonial hydrozoans
  13714. Sipuncula
    peanut worms
  13715. SIRC
    an agency of the Canadian government that oversees the activities of the Criminal Intelligence Services of Canada and has the power to intrude on the privacy of suspected terrorists or spies
  13716. Sirenia
    an animal order including: manatees
  13717. Sirenidae
    sirens
  13718. sisal family
    chiefly tropical and xerophytic plants: includes Dracenaceae
  13719. Sison
    genus including stone parsley
  13720. sisterhood
    the kinship relation between a female offspring and the siblings
  13721. sistership
    the kinship relation between a female offspring and the siblings
  13722. Sistrurus
    pygmy rattlesnakes
  13723. Sisyridae
    an arthropod family of the order Neuroptera that includes spongeflies
  13724. Sisyrinchium
    chiefly North American grasslike herbs
  13725. Sitophylus
    a genus of Bruchidae
  13726. Sitotroga
    grain moths
  13727. Sitta
    type genus of the Sittidae
  13728. Sittidae
    nuthatches
  13729. sitting
    the act of assuming or maintaining a seated position
  13730. Sium
    perennial of wet and marshy places in the northern hemisphere: water parsnips
  13731. Sivaism
    worship of Shiva one of the 3 chief gods of the Hindu pantheon
  13732. Six Nations
    a league of Iroquois tribes including originally the Mohawk, Oneida, Onondaga, Cayuga and Seneca (the Five Nations); after 1722 they were joined by the Tuscarora (the Six Nations)
  13733. sixsome
    six people considered as a unit
  13734. skiffle group
    a band of musicians who play skiffle
  13735. skinheads
    a youth subculture that appeared first in England in the late 1960s as a working-class reaction to the hippies; hair was cropped close to the scalp; wore work-shirts and short jeans (supported by suspenders) and heavy red boots; involved in attacks against Asians and football hooliganism
  13736. SL
    a terrorist group formed in Peru in the late 1960s as a splinter group from the communist party of Peru; is among the most ruthless guerilla organizations in the world; seeks to destroy Peruvian institutions and replace them with a Maoist peasant regime; is involved in the cocaine trade
  13737. slagheap
    pile of waste matter from coal mining etc
  13738. slain
    killed; `slain' is formal or literary as in "slain warriors"
  13739. slate club
    a group of people who save money in a common fund for a specific purpose (usually distributed at Christmas)
  13740. Slavic people
    a race of people speaking a Slavonic language
  13741. Slavic race
    a race of people speaking a Slavonic language
  13742. sleeper cell
    a cell of sleepers
  13743. sleeper nest
    a nest of sleepers awaiting a prearranged signal
  13744. sleeping beauty
    a person who is sleeping soundly
  13745. slime mushroom
    a mushroom of the genus Amanita
  13746. Sloanea
    genus of tropical hardwood timber trees
  13747. slumber party
    an overnight party of girls who dress in nightclothes and pass the night talking
  13748. Sluzhba Vneshney Razvedki
    Russia's intelligence service responsible for foreign operations, intelligence-gathering and analysis, and the exchange of intelligence information; collaborates with other countries to oppose proliferation of weapons of mass destruction, terrorism and organized crime
  13749. Small Business Administration
    an independent agency of the United States government that protects the interests of small businesses and ensures that they receive a fair share of government contracts
  13750. small cap
    a corporation with a small capitalization
  13751. small loan company
    a finance company that makes loans to people who have trouble getting a bank loan
  13752. Small Magellanic Cloud
    the smaller of the two Magellanic Clouds visible from the southern hemisphere
  13753. small town
    a community of people smaller than a town
  13754. smart money
    money bet or invested by experienced gamblers or investors
  13755. smart set
    the fashionable elite
  13756. Smilacaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
  13757. Smilax
    sometimes placed in Smilacaceae
  13758. Smiledon
    saber-toothed tigers
  13759. smithereens
    a collection of small fragments considered as a whole
  13760. smoker
    a person who smokes tobacco
  13761. smorgasbord
    a collection containing a variety of sorts of things
  13762. Smyrnium
    Alexanders
  13763. snake dance
    a ceremonial dance in which snakes are handled or invoked
  13764. snarl-up
    a number of vehicles blocking one another until they can scarcely move
  13765. soapberry family
    chiefly tropical New and Old World deciduous and evergreen trees and shrubs bearing leathery drupes with yellow translucent flesh; most plants produce toxic saponins
  13766. sociable
    inclined to or conducive to companionship with others
  13767. social
    living together or enjoying life in communities
  13768. social affair
    a gathering for the purpose of promoting fellowship
  13769. social class
    a group of people sharing similar wealth and status
  13770. social club
    a formal association of people with similar interests
  13771. Social Democratic Party
    a political party in Germany and Britain (and elsewhere) founded in late 19th century; originally Marxist; now advocates the gradual transformation of capitalism into democratic socialism
  13772. Social Development Commission
    the commission of the Economic and Social Council of the United Nations that is concerned with social development
  13773. social gathering
    a gathering for the purpose of promoting fellowship
  13774. social group
    people sharing some social relation
  13775. social movement
    a group of people with a common ideology who try together to achieve certain general goals
  13776. social organisation
    the people in a society considered as a system organized by a characteristic pattern of relationships
  13777. social organization
    the people in a society considered as a system organized by a characteristic pattern of relationships
  13778. Social Security Administration
    an independent government agency responsible for the Social Security system
  13779. social structure
    the people in a society considered as a system organized by a characteristic pattern of relationships
  13780. social system
    the people in a society considered as a system organized by a characteristic pattern of relationships
  13781. social unit
    an organization regarded as part of a larger social group
  13782. socialism
    a political theory advocating state ownership of industry
  13783. socialist economy
    an economic system based on state ownership of capital
  13784. Socialist Labor Party
    a political party in the United States
  13785. Socialist Party
    a political party in the United States formed in 1900 to advocate socialism
  13786. society
    an extended group having a distinctive cultural organization
  13787. Society of Friends
    a Christian sect founded by George Fox about 1660
  13788. Society of Jesus
    a Roman Catholic order founded by Saint Ignatius of Loyola in 1534 to defend Catholicism against the Reformation and to do missionary work among the heathen; it is strongly committed to education and scholarship
  13789. socio-economic class
    a group of people sharing similar wealth and status
  13790. sociology department
    the academic department responsible for teaching and research in sociology
  13791. sodality
    people who work together in a particular job or occupation
  13792. sodium nitrite
    nitrite used to preserve and color food especially in meat and fish products; implicated in the formation of suspected carcinogens
  13793. soiree
    a party of people assembled in the evening
  13794. soiree musicale
    a soiree assembled for the purpose of listening to music
  13795. Sol Rojo
    a small but violent terrorist organization formed in Ecuador in the early 1990s; responsible for bombing several government buildings
  13796. Solanaceae
    large and economically important family of herbs or shrubs or trees often strongly scented and sometimes narcotic or poisonous; includes the genera Solanum, Atropa, Brugmansia, Capsicum, Datura, Hyoscyamus, Lycopersicon, Nicotiana, Petunia, Physalis, and Solandra
  13797. Solandra
    shrubby climbers of tropical America
  13798. Solanopteris
    tropical American epiphytic ferns having rhizomes with tubers and roots as well as scales
  13799. Solanum
    type genus of the Solanaceae: nightshade
  13800. solar system
    the sun with the celestial bodies that revolve around it
  13801. Soldiers of God
    an Islamic extremist group of Kurds who oppose secular control with bombings and assassinations; believed to have ties with al-Qaeda
  13802. soldiery
    soldiers collectively
  13803. Solea
    type genus of the Soleidae
  13804. Soleidae
    soles
  13805. Soleirolia
    one species; a dwarf creeping mat-forming evergreen herb
  13806. Soleirolia soleirolii
    prostrate or creeping Corsican herb with moss-like small round short-stemmed leaves
  13807. Solenichthyes
    bellows fishes
  13808. Solenidae
    razor clams
  13809. Solenogastres
    an order of Amphineura
  13810. Solenopsis
    fire ants
  13811. Solenostemon
    genus of shrubby often succulent herbs of tropical Africa and Asia; includes some plants often placed in genus Coleus
  13812. Solidago
    goldenrod
  13813. Somateria
    eider ducks
  13814. Sonchus
    sow thistles
  13815. Song
    the imperial dynasty of China from 960 to 1279
  13816. Song dynasty
    the imperial dynasty of China from 960 to 1279
  13817. Sonora
    ground snakes
  13818. Sonoran Desert
    a desert in the southwestern U.S. and northwestern Mexico
  13819. sophomore class
    the second class in a four-year college or high school
  13820. Sophora
    cosmopolitan genus of trees and shrubs having odd-pinnate leaves and showy flowers; some species placed in genus Podalyria
  13821. Sorbus
    a genus of shrubs or trees of the family Rosaceae having feathery leaves
  13822. Sorex
    type genus of the family Soricidae: shrews
  13823. Sorghum
    annual or perennial tropical and subtropical cereal grasses: sorghum
  13824. Soricidae
    shrews
  13825. sorority
    a social club for female undergraduates
  13826. sound spectrum
    the distribution of energy as a function of frequency for a particular sound source
  13827. soup kitchen
    a place where food is dispensed to the needy
  13828. sour-gum family
    a family of dicotyledonous trees of order Myrtales that includes the sour gum trees
  13829. South America
    a continent in the western hemisphere connected to North America by the Isthmus of Panama
  13830. Southern Baptist Convention
    an association of Southern Baptists
  13831. soviet
    an elected governmental council in a communist country
  13832. Soviet KGB
    formerly the predominant security police organization of Soviet Russia
  13833. sovietism
    Soviet communism
  13834. Soviets
    the government of the Soviet Union
  13835. Spalacidae
    mole rats
  13836. Spalax
    type genus of the Spalacidae
  13837. Spanish
    of or relating to or characteristic of Spain or the people of Spain
  13838. Spanish Armada
    the great fleet sent from Spain against England by Philip II in 1588
  13839. Spanish Inquisition
    an inquisition initiated in 1478 by King Ferdinand and Queen Isabella that guarded the orthodoxy of Catholicism in Spain (especially from the 15th to the 17th centuries)
  13840. Spanish people
    the people of Spain
  13841. Sparaxis
    deciduous perennial herbs of South Africa
  13842. Sparganiaceae
    coextensive with the genus Sparganium
  13843. Sparganium
    type and sole genus of Sparganiaceae
  13844. Sparidae
    porgies; scups
  13845. Sparmannia
    small genus of tropical African shrubs
  13846. Sparrow Unit
    a hit squad of the New People's Army in the Philippines
  13847. Spartina
    grass of freshwater swamps and salt marshes of Europe, Africa, America, and South Atlantic islands
  13848. Spartium
    one species: Spanish broom
  13849. Spatangoida
    heart-shaped sea urchins
  13850. spearhead
    the head and sharpened point of a spear
  13851. Special Air Service
    a specialist regiment of the British army that is trained in commando techniques of warfare and used in clandestine operations (especially against terrorist groups)
  13852. Special Branch
    a government police department dealing with political security
  13853. special court-martial
    a court-martial to try soldiers for offenses less serious that than those committed in action; consists of at least three officers
  13854. Special Forces
    a division of the United States Army that is specially trained for guerilla fighting
  13855. special interest
    an individual or group who are concerned with some particular part of the economy and who try to influence legislators or bureaucrats to act in their favor
  13856. special jury
    a jury whose members are selected for special knowledge for a case involving complicated issues
  13857. Special Weapons and Tactics squad
    a squad of policemen who have been trained to deal with violent and dangerous situations
  13858. Special Weapons and Tactics team
    a squad of policemen who have been trained to deal with violent and dangerous situations
  13859. species
    taxonomic group whose members can interbreed
  13860. spectrum
    a broad range of related objects, values, or qualities
  13861. speech community
    people sharing a given language or dialect
  13862. speech spectrum
    the average sound spectrum for the human voice
  13863. Spergula
    small genus of Old World annual herbs: corn spurry
  13864. Spergularia
    chiefly maritime Eurasian herbs: sand spurry; sea spurry
  13865. Spermatophyta
    seed plants
  13866. Spermophilus
    typical ground squirrels
  13867. Sphacele
    a dicotyledonous genus of the family Labiatae
  13868. Sphaeralcea
    large genus of chiefly tropical herbs with showy flowers and mostly globose fruits: globe mallows
  13869. Sphaeriaceae
    parasitic fungi having globose and sometimes necked or beaked perithecia
  13870. Sphaeriales
    large order of ascomycetous fungi usually having a dark hard perithecia with definite ostioles; in more recent classifications often divided among several orders
  13871. Sphaerobolaceae
    monotypic family of fungi in which the more or less spherical gleba is forcibly ejected at maturity
  13872. Sphaerocarpaceae
    liverworts with bilaterally symmetrical gametophytes
  13873. Sphaerocarpales
    small order sometimes included in the order Jungermanniales
  13874. Sphaerocarpos
    type genus of Sphaerocarpaceae
  13875. Sphaerocarpus
    type genus of Sphaerocarpaceae
  13876. Sphagnales
    coextensive with the genus Sphagnum
  13877. Sphecidae
    mud daubers; some digger wasps
  13878. Sphecius
    large solitary wasps: cicada killer
  13879. Sphecoidea
    families Sphecidae and Stizidae
  13880. Sphecotheres
    a genus of Old World orioles
  13881. Spheniscidae
    comprising all existing penguins
  13882. Sphenisciformes
    penguins
  13883. Spheniscus
    type genus of the Spheniscidae: jackass penguins
  13884. Sphenodon
    coextensive with the order Rhynchocephalia: tuataras
  13885. Sphenopsida
    horsetails and related forms
  13886. Sphingidae
    hawkmoths
  13887. Sphyraena
    type and sole genus of the Sphyraenidae: barracuda
  13888. Sphyraenidae
    monotypic family of large active fishes of tropical and subtropical waters: barracuda
  13889. Sphyrapicus
    a genus of Picidae
  13890. Sphyrna
    type genus of the Sphyrnidae
  13891. Sphyrnidae
    hammerhead sharks; bonnethead sharks
  13892. spiderwort family
    large widely distributed family of chiefly perennial herbs or climbers: spiderworts
  13893. Spilogale
    a genus of Mustelidae
  13894. Spinacia
    spinach
  13895. spindle-tree family
    trees and shrubs and woody vines usually having bright-colored fruits
  13896. spinney
    a copse that shelters game
  13897. Spinus
    in some classifications considered a subgenus of Carduelis: siskins and New World goldfinches
  13898. Spiraea
    a dicotyledonous genus of the family Rosaceae
  13899. spiral galaxy
    a large system of stars arranged in a curved pattern around a center
  13900. spiral nebula
    a large system of stars arranged in a curved pattern around a center
  13901. Spiranthes
    large cosmopolitan genus of white-flowered terrestrial orchids
  13902. Spirillaceae
    rigid spirally curved elongate bacteria
  13903. Spirochaeta
    the type genus of the family Spirochaetaceae
  13904. Spirochaetaceae
    large coarsely spiral bacteria
  13905. Spirochaetales
    higher bacteria; slender spiral rodlike forms
  13906. Spirodela
    minute aquatic herbs floating on the water surface consisting of a shiny leaflike frond and 2-21 roots
  13907. Spirulidae
    coextensive with the genus Spirula
  13908. Spizella
    chipping sparrow; field sparrow; tree sparrow
  13909. splinter group
    a faction or sect that has broken away from its parent organization
  13910. split infinitive
    an infinitive with an adverb between `to' and the verb
  13911. Spodoptera
    moths whose larvae are armyworms
  13912. Spondias
    tropical trees having one-seeded fruit
  13913. sponge genus
    a genus of Porifera
  13914. Sporobolus
    cosmopolitan annual and perennial grasses
  13915. Sporozoa
    strictly parasitic protozoans that are usually immobile
  13916. sports desk
    the editorial department of a newspaper that edits the sports news
  13917. spotted barramundi
    a species of large fish found in Australian rivers
  13918. spotted bonytongue
    a species of large fish found in Australian rivers
  13919. Spraguea
    small genus of usually perennial herbs having deep woody taproots and flower heads of umbels or cymes
  13920. spray
    water in small drops in the atmosphere
  13921. spurge family
    a family of plants of order Geraniales
  13922. Spyeria
    fritillaries
  13923. squad
    the smallest army unit
  13924. squadron
    a naval unit that is detached from the fleet
  13925. Squalidae
    dogfishes having a spine in each dorsal fin
  13926. Squalus
    spiny dogfishes
  13927. Squamata
    diapsid reptiles: snakes and lizards
  13928. square matrix
    a matrix with the same number of rows and columns
  13929. Squatina
    type genus of the Squatinidae: angel sharks
  13930. Squatinidae
    bottom-dwelling ray-like sharks
  13931. Squillidae
    crustaceans that burrow in mud or under stones in shallow water along the seashore
  13932. squirearchy
    the gentry who own land (considered as a class)
  13933. SS
    special police force in Nazi Germany founded as a personal bodyguard for Adolf Hitler in 1925; the SS administered the concentration camps
  13934. SSA
    an independent government agency responsible for the Social Security system
  13935. SSS
    an independent federal agency that administers compulsory military service
  13936. St John's wort family
    widely distributed family of chiefly tropical trees and shrubs and vines that produce oils and resins and some usable timber
  13937. Stachys
    large genus of usually woolly or hairy herbs or subshrubs or shrubs; temperate eastern hemisphere; tropical Australasia
  13938. stack
    an orderly pile
  13939. staff
    a strong rod or stick with a specialized utilitarian purpose
  13940. staff office
    the department responsible for hiring and training and placing employees and for setting policies for personnel management
  13941. staff-tree family
    trees and shrubs and woody vines usually having bright-colored fruits
  13942. stag party
    a party for men only
  13943. stage crew
    crew of workers who move scenery or handle properties in a theatrical production
  13944. staggered board of directors
    a board of directors a portion of whose members are elected each year instead of all members being elected annually
  13945. staghead
    an abnormal tufted growth of small branches on a tree or shrub caused by fungi or insects or other physiological disturbance
  13946. Stalinism
    a form of government in which the ruler is an absolute dictator (not restricted by a constitution or laws or opposition etc.)
  13947. stamp
    walk heavily
  13948. stamp collection
    a collection of stamps
  13949. stand
    be standing; be upright
  13950. standing army
    a permanent army of paid soldiers
  13951. standing committee
    a permanent legislative group that works on one subject
  13952. Stanleya
    prince's plume
  13953. Staphylaceae
    a family of dicotyledonous plants of order Sapindales found mostly in the north temperate zone
  13954. Staphylea
    a genus of small trees or shrubs of the family Staphylaceae
  13955. Staphylinidae
    rove beetles
  13956. Star Chamber
    a former English court that became notorious for its arbitrary methods and severe punishments
  13957. state
    the way something is with respect to its main attributes
  13958. state bank
    a bank chartered by a state rather than by the federal government
  13959. state capitalism
    an economic system that is primarily capitalistic but there is some degree of government ownership of the means of production
  13960. State Department
    the federal department in the United States that sets and maintains foreign policies
  13961. state government
    the government of a state in the United States
  13962. state socialism
    an economic system in which the government owns most means of production but some degree of private capitalism is allowed
  13963. state supreme court
    the highest court in most states of the United States
  13964. States General
    assembly of the estates of an entire country especially the sovereign body of the Dutch republic from 16th to 18th centuries
  13965. States' Rights Democratic Party
    a former political party in the United States
  13966. Stations
    (Roman Catholic Church) a devotion consisting of fourteen prayers said before a series of fourteen pictures or carvings representing successive incidents during Jesus' passage from Pilate's house to his crucifixion at Calvary
  13967. Stations of the Cross
    (Roman Catholic Church) a devotion consisting of fourteen prayers said before a series of fourteen pictures or carvings representing successive incidents during Jesus' passage from Pilate's house to his crucifixion at Calvary
  13968. Statistical Commission
    the commission of the Economic and Social Council of the United Nations that is concerned with statistical data from member nations
  13969. statistical table
    a table of statistical data
  13970. statuary
    of or relating to or suitable for statues
  13971. statute law
    law enacted by a legislative body
  13972. statutory law
    the body of laws created by legislative statutes
  13973. steamship company
    a line responsible for the operation of a fleet of steamships
  13974. steamship line
    a line responsible for the operation of a fleet of steamships
  13975. Steatornis
    type and sole genus of the family Steatornithidae
  13976. Steatornithidae
    oilbirds
  13977. steel band
    a band that plays instruments made from the heads of oil drums (Caribbean Islands)
  13978. steel company
    a company that makes and sells steel
  13979. steel industry
    the industry that makes steel and steel products
  13980. steering committee
    a committee to arrange the order of business for some larger (legislative) body
  13981. Steganopus
    a genus of Phalaropidae
  13982. Stegocephalia
    in former classifications a division of class Amphibia comprising all pre-Jurassic and some later extinct large salamandriform amphibia
  13983. Stellaria
    common chickweed; stitchwort
  13984. stemma
    the descendants of one individual
  13985. Stenocarpus
    small genus of timber trees; Australia to Malaysia
  13986. Stenochlaena
    large tropical ferns
  13987. Stenopelmatidae
    long-horned grasshoppers
  13988. Stenopelmatus
    sand crickets
  13989. Stenotaphrum
    lawn grasses
  13990. Stenotomus
    scups
  13991. Stenotus
    genus of western North American low evergreen shrubs growing in dense tufts
  13992. Stephanomeria
    malheur wire lettuce
  13993. Stercorariidae
    jaegers and skuas:
  13994. Stercorarius
    type genus of the Stercorariidae: jaegers
  13995. sterculia family
    a large family of plants of order Malvales
  13996. Sterculiaceae
    a large family of plants of order Malvales
  13997. Stereospondyli
    formerly a suborder of Stegocephalia
  13998. sterling area
    the group of countries whose currencies are tied to the British pound sterling
  13999. sterling bloc
    the group of countries whose currencies are tied to the British pound sterling
  14000. Sterna
    a genus of Sterninae
  14001. Sterninae
    terns
  14002. Sternotherus
    musk turtles
  14003. Stichaeidae
    pricklebacks
  14004. Sticherus
    umbrella ferns; warm regions of Australia and New Zealand
  14005. Stictomys
    mountain pacas
  14006. Stictopelia
    a genus of Columbidae
  14007. Stizidae
    cicada killers
  14008. Stizolobium
    genus of tropical herbs and woody vines having trifoliate leaves and showy flowers in axillary clusters
  14009. Stizostedion
    pike-perches
  14010. stock
    a supply of something available for future use
  14011. stock company
    a company whose capital is represented by stock
  14012. stockholders meeting
    a meeting at which the management reports to the stockholders of a company
  14013. stockpile
    something kept back or saved for future use
  14014. Stokesia
    one species: stokes' aster
  14015. Stomatopoda
    mantis shrimps
  14016. stonecrop family
    succulent shrubs and herbs
  14017. storax family
    a widely distributed family of shrubs and trees of order Ebenales
  14018. Storeria
    a genus of Colubridae
  14019. Storm Troops
    Nazi militia created by Hitler in 1921 that helped him to power but was eclipsed by the SS after 1943
  14020. straggle
    wander from a direct or straight course
  14021. straight
    having no deviations
  14022. straight flush
    a poker hand with consecutive cards in the same suit
  14023. strain
    exert much effort or energy
  14024. stratocracy
    government by the military and an army
  14025. stratum
    one of several parallel layers of material
  14026. strawberry-shrub family
    shrubs or small trees having aromatic bark
  14027. streak
    a narrow marking of a different color from the background
  14028. stream
    a natural body of water flowing on or under the earth
  14029. street
    a thoroughfare that is lined with buildings
  14030. Strekelia
    a monocotyledonous genus of the amaryllis family
  14031. Strelitzia
    small genus of large perennial evergreen herbs having leaves resembling those of banana plants; sometimes placed in family Musaceae
  14032. strelitzia family
    woody plants with erect stems of tropical South America and South Africa and Madagascar; in some classifications included in the family Musaceae
  14033. Strelitziaceae
    woody plants with erect stems of tropical South America and South Africa and Madagascar; in some classifications included in the family Musaceae
  14034. Strepera
    bell magpies
  14035. Strepsiceros
    African antelopes: kudus; bongos; nyalas; bushbucks
  14036. Strepsirhini
    in some classifications either coextensive with the Lemuroidea or comprising the true lemurs
  14037. Streptococcus anhemolyticus
    a species of bacteria
  14038. Streptomycetaceae
    higher bacteria typically aerobic soil saprophytes
  14039. Streptopelia
    turtledoves
  14040. Streptosolen
    one species: marmalade bush
  14041. stretcher party
    a party of people with stretchers to carry an injured person
  14042. Strigidae
    a family of nocturnal birds of the order Strigiformes
  14043. Strigiformes
    owls
  14044. string
    a lightweight cord
  14045. string of beads
    several beads threaded together on a string
  14046. string of words
    a linear sequence of words as spoken or written
  14047. string orchestra
    an orchestra playing only stringed instruments
  14048. string quartet
    an instrumental quartet with 2 violins and a viola and a cello
  14049. string quartette
    an instrumental quartet with 2 violins and a viola and a cello
  14050. string section
    the section of an orchestra that plays stringed instruments
  14051. strings
    the section of an orchestra that plays stringed instruments
  14052. Strix
    owls lacking ear tufts
  14053. Strobilomyces
    fungi similar to Boletus but with a shaggy scaly cap
  14054. Stromateidae
    butterfishes: harvest fishes; dollar fishes
  14055. Strombidae
    the family of conchs
  14056. Strombus
    type genus of the family Strombidae
  14057. strong suit
    an asset of special worth or utility
  14058. Strongylodon
    genus of Polynesian or southeastern Asian shrubs or vines
  14059. Stropharia
    genus of gill fungi with brown spores that is closely related to Agaricus; here placed in its own family Strophariaceae
  14060. Strophariaceae
    sometimes included in family Agaricaceae
  14061. structural gene
    a gene that controls the production of a specific protein or peptide
  14062. structure
    a complex entity made of many parts
  14063. Struthio
    type genus of the Struthionidae: African ostriches
  14064. Struthionidae
    tall terrestrial birds: ostriches
  14065. Struthioniformes
    a ratite bird order: ostriches and related extinct birds
  14066. Strymon
    large and widely distributed genus of hairstreak butterflies
  14067. Stuart
    United States painter best known for his portraits of George Washington (1755-1828)
  14068. Sturmabteilung
    Nazi militia created by Hitler in 1921 that helped him to power but was eclipsed by the SS after 1943
  14069. Sturnella
    a genus of passerine birds including the meadowlarks
  14070. Sturnidae
    Old World starlings
  14071. Sturnus
    type genus of the Sturnidae: common starlings
  14072. Stylomecon
    one species: wind poppy
  14073. Stylophorum
    wood poppies
  14074. Styphelia
    Australian heathlike shrubs
  14075. Styracaceae
    a widely distributed family of shrubs and trees of order Ebenales
  14076. styrax family
    a widely distributed family of shrubs and trees of order Ebenales
  14077. subclass
    a taxonomic category below a class and above an order
  14078. subclass Acnidosporidia
    a subclass of Sporozoa
  14079. subclass Actinopoda
    heliozoans; radiolarians
  14080. subclass Alismatidae
    one of four subclasses or superorders of Monocotyledones
  14081. subclass Amphineura
    a class of Gastropoda
  14082. subclass Anapsida
    oldest known reptiles; turtles and extinct Permian forms
  14083. subclass Archaeornithes
    primitive reptile-like fossil birds of the Jurassic or early Cretaceous
  14084. subclass Archosauria
    a large subclass of diapsid reptiles including: crocodiles
  14085. subclass Arecidae
    one of four subclasses or superorder of Monocotyledones
  14086. subclass Asteridae
    a group of mostly sympetalous herbs and some trees and shrubs mostly with 2 fused carpels; contains 43 families including Campanulales; Solanaceae; Scrophulariaceae; Labiatae; Verbenaceae; Rubiaceae; Compositae; sometimes classified as a superorder
  14087. subclass Branchiopoda
    primitive aquatic mainly freshwater crustaceans: fairy shrimps; brine shrimps; tadpole shrimps; can shrimps; water fleas
  14088. subclass Caryophyllidae
    a group of families of mostly flowers having basal or central placentation and trinucleate pollen (binucleate pollen is commoner in flowering plants); contains 14 families including: Caryophyllaceae (carnations and pinks); Aizoaceae; Amaranthaceae; Batidaceae; Chenopodiaceae; Cactaceae (order Opuntiales); Nyctaginaceae; Phytolaccaceae; corresponds approximately to order Caryophyllales; sometimes classified as a superorder
  14089. subclass Cirripedia
    barnacles
  14090. subclass Cnidosporidia
    single-host parasites of lower vertebrates and invertebrates
  14091. subclass Commelinidae
    one of four subclasses or superorders of Monocotyledones
  14092. subclass Copepoda
    minute planktonic or parasitic crustaceans
  14093. subclass Crossopterygii
    fishes having paired fins resembling limbs and regarded as ancestral to amphibians
  14094. subclass Dibranchia
    comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda (squids and cuttlefish)
  14095. subclass Dibranchiata
    comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda (squids and cuttlefish)
  14096. subclass Dilleniidae
    a group of families of more or less advanced trees and shrubs and herbs having either polypetalous or gamopetalous corollas and often with ovules attached to the walls of the ovary; contains 69 families including Ericaceae and Cruciferae and Malvaceae; sometimes classified as a superorder
  14097. subclass Dipnoi
    bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of Crossopterygii
  14098. subclass Discomycetes
    a large and taxonomically difficult group of Ascomycetes in which the fleshy fruiting body is disklike or cup-shaped
  14099. subclass Elasmobranchii
    sharks; rays; dogfishes; skates
  14100. subclass Entomostraca
    in some older classifications includes the Branchiopoda and Copepoda and Ostracoda and Cirripedia; no longer in technical use
  14101. subclass Euascomycetes
    category not used in many classification systems
  14102. subclass Euryalida
    basket stars
  14103. subclass Eutheria
    all mammals except monotremes and marsupials
  14104. subclass Exopterygota
    subclass of insects characterized by gradual and usually incomplete metamorphosis
  14105. subclass Hamamelidae
    a group of chiefly woody plants considered among the most primitive of angiosperms; perianth poorly developed or lacking; flowers often unisexual and often in catkins and often wind pollinated; contains 23 families including the Betulaceae and Fagaceae (includes the Amentiferae); sometimes classified as a superorder
  14106. subclass Heterobasidiomycetes
    category used in some classification systems for various basidiomycetous fungi including rusts and smuts
  14107. subclass Holocephali
    chimaeras and extinct forms
  14108. subclass Homobasidiomycetes
    category used in some classification systems for various basidiomycetous fungi including e.g. mushrooms and puffballs which are usually placed in the classes Gasteromycetes and Hymenomycetes
  14109. subclass Infusoria
    in some recent classifications, coextensive with the Ciliata: minute organisms found in decomposing infusions of organic matter
  14110. subclass Lepidosauria
    diapsid reptiles: lizards; snakes; tuataras
  14111. subclass Liliidae
    one of four subclasses or superorders of Monocotyledones
  14112. subclass Magnoliidae
    a group of families of trees and shrubs and herbs having well-developed perianths and apocarpous ovaries and generally regarded as the most primitive extant flowering plants; contains 36 families including Magnoliaceae and Ranunculaceae; sometimes classified as a superorder
  14113. subclass Malacostraca
    largest subclass of Crustacea including most of the well-known marine, freshwater, and terrestrial crustaceans: crabs; lobsters; shrimps; sow bugs; beach flies
  14114. subclass Metatheria
    pouched animals
  14115. subclass Ophiurida
    brittle stars
  14116. subclass Opisthobranchia
    gastropods having the gills when present posterior to the heart and having no operculum: includes sea slugs; sea butterflies; sea hares
  14117. subclass Ostracoda
    seed shrimps
  14118. subclass Pantotheria
    generalized extinct mammals widespread during the Jurassic
  14119. subclass Phytomastigina
    plantlike flagellates containing chlorophyll
  14120. subclass Prototheria
    echidnas; platypus
  14121. subclass Rhizopoda
    creeping protozoans: amoebas and foraminifers
  14122. subclass Rosidae
    a group of trees and shrubs and herbs mostly with polypetalous flowers; contains 108 families including Rosaceae; Crassulaceae; Myrtaceae; Melastomaceae; Euphorbiaceae; Umbelliferae
  14123. subclass Selachii
    sharks; rays; dogfishes; skates
  14124. subclass Synapsida
    extinct reptiles of the Permian to Jurassic considered ancestral to mammals
  14125. subclass Teleostei
    large diverse group of bony fishes
  14126. subclass Telosporidia
    parasitic sporozoans that form spores containing one or more infective sporozoites
  14127. subclass Zoomastigina
    in some classifications considered a phylum of the kingdom Protista; holozoic or saprozoic flagellates
  14128. subcommittee
    a small working group that is part of a larger group
  14129. subculture
    a distinctive social group within a national society
  14130. subdivision
    the act of subdividing
  14131. subdivision Ascomycota
    a large subdivision of Eumycota including Hemiascomycetes and Plectomycetes and Pyrenomycetes and Discomycetes; sac fungi; in some classification systems considered a division of the kingdom Fungi
  14132. subdivision Ascomycotina
    a large subdivision of Eumycota including Hemiascomycetes and Plectomycetes and Pyrenomycetes and Discomycetes; sac fungi; in some classification systems considered a division of the kingdom Fungi
  14133. subdivision Basidiomycota
    comprises fungi bearing the spores on a basidium
  14134. subdivision Basidiomycotina
    comprises fungi bearing the spores on a basidium
  14135. subdivision Coniferophytina
    cone-bearing gymnosperms dating from the Carboniferous period; most are substantial trees; includes the classes Pinopsida (subdivision Pinophytina) and Ginkgopsida (subdivision Ginkgophytina) and Taxopsida (subdivision Taxophytina) which in turn include the surviving orders Coniferales and Taxales (yews) and sometimes Ginkgoales as well as extinct orders such as Cordaitales (of the Carboniferous and Permian)
  14136. subdivision Cycadophyta
    palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
  14137. subdivision Cycadophytina
    palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
  14138. subdivision Deuteromycota
    large and heterogeneous form division of fungi comprising forms for which no sexually reproductive stage is known
  14139. subdivision Deuteromycotina
    large and heterogeneous form division of fungi comprising forms for which no sexually reproductive stage is known
  14140. subdivision Ginkgophyta
    ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications for one of five subdivisions of Gymnospermophyta
  14141. subdivision Ginkgophytina
    ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications for one of five subdivisions of Gymnospermophyta
  14142. subdivision Gnetophytina
    gymnospermous flowering plants
  14143. subdivision Mastigomycota
    fungi in which the spores and gametes are motile
  14144. subdivision Mastigomycotina
    fungi in which the spores and gametes are motile
  14145. subdivision Pinophytina
    most conifers: in some systems classified as a class (Pinopsida) and in others as a subdivision (Pinophytina); used in some classifications for one of five subdivisions of Gymnospermophyta
  14146. subdivision Pteropsida
    used in former classifications to include all ferns and flowering plants and divided into the three classes Filicinae and Gymnospermae and Angiospermae
  14147. subdivision Taxophytina
    yews: in some systems classified as a class (Taxopsida) and in others as a subdivision (Taxophytina) used in some classifications for one of five subdivisions of Gymnospermophyta
  14148. subdivision Zygomycota
    division of fungi having sexually produced zygospores
  14149. subdivision Zygomycotina
    division of fungi having sexually produced zygospores
  14150. subfamily
    (biology) a taxonomic category below a family
  14151. subfamily Acoraceae
    used in some classifications for the genus Acorus which is usually assigned to Araceae
  14152. subfamily Anserinae
    used in some classifications for the swans
  14153. subfamily Bassariscidae
    in some classifications considered a separate family
  14154. subfamily Bovinae
    term not used technically
  14155. subfamily Cabombaceae
    in some classifications considered an independent family of water lilies; comprises the genera Cabomba and Brasenia
  14156. subfamily Caesalpinioideae
    alternative name in some classification systems for the family Caesalpiniaceae
  14157. subfamily Carduelinae
    used in some classifications for a subgroup of finches
  14158. subfamily Carpinaceae
    used in some classification systems for the genera Carpinus, Ostryopsis, and Ostryopsis
  14159. subfamily Cetoniidae
    considered a separate family in some classification systems
  14160. subfamily Corylaceae
    used in some classification systems for the genus Corylus
  14161. subfamily Dorylinae
    army ants
  14162. subfamily Dracaenaceae
    one of two subfamilies to which some classification systems assign some members of the Agavaceae
  14163. subfamily Dracenaceae
    one of two subfamilies to which some classification systems assign some members of the Agavaceae
  14164. subfamily Emberizidae
    buntings and some New World sparrows
  14165. subfamily Emberizinae
    buntings and some New World sparrows
  14166. subfamily Garrulinae
    subfamily of the crow family: jays
  14167. subfamily Gerbillinae
    gerbils
  14168. subfamily Hydromyinae
    water rats of Australia and New Guinea
  14169. subfamily Loriinae
    lories
  14170. subfamily Lutrinae
    subdivision not used in some classifications: otters
  14171. subfamily Malaconotinae
    an African bush shrikes
  14172. subfamily Melinae
    subdivision not used in some classifications: badgers
  14173. subfamily Melolonthidae
    considered a separate family in some classification systems
  14174. subfamily Mephitinae
    subdivision not used in some classifications: skunks
  14175. subfamily Merginae
    mergansers and closely related diving birds
  14176. subfamily Mimosoideae
    alternative name used in some classification systems for the family Mimosaceae
  14177. subfamily Nelumbonaceae
    in some classifications considered an independent family of water lilies; comprises the single genus Nelumbo
  14178. subfamily Numididae
    guinea fowl and related birds of Africa and Madagascar
  14179. subfamily Numidinae
    guinea fowl and related birds of Africa and Madagascar
  14180. subfamily Papilionoideae
    alternative name used in some classification systems for the family Papilionaceae
  14181. subfamily Perdicidae
    Old World partridges
  14182. subfamily Perdicinae
    Old World partridges
  14183. subfamily Peristediinae
    in some classifications considered a subfamily of Triglidae comprising the armored searobins
  14184. subfamily Petauristidae
    Old World flying squirrels
  14185. subfamily Philadelphaceae
    one genus; usually included in family Hydrangeaceae
  14186. subfamily Potoroinae
    rat kangaroos
  14187. subfamily Pythoninae
    Old World boas: pythons
  14188. subfamily Smilacaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
  14189. subfamily Sterninae
    terns
  14190. subfamily Sylviinae
    alternative classification for the Old World warblers
  14191. subfamily Taxodiaceae
    coniferous trees
  14192. subfamily Triglinae
    in some classifications considered a subfamily of Triglidae comprising searobins having ordinary scales and no barbels (true searobins)
  14193. subfamily Turdinae
    alternative classification for the thrushes
  14194. subfamily Uvulariaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae
  14195. subgenus
    (biology) taxonomic group between a genus and a species
  14196. subgenus Azalea
    group of evergreen or deciduous shrubs formerly considered a separate genus; now included in the genus Rhododendron
  14197. subgenus Azaleastrum
    group of evergreen or deciduous shrubs formerly considered a separate genus; now included in the genus Rhododendron
  14198. subgenus Calliopsis
    used in some classification systems for some plants of genus Coreopsis
  14199. subgenus Chen
    wild goose having white adult plumage
  14200. subgenus Pastor
    only the rose-colored starlings
  14201. subgenus Poinciana
    small subgenus of ornamental tropical shrubs or trees
  14202. subgroup
    a distinct and often subordinate group within a group
  14203. subject
    some situation or event that is thought about
  14204. subject case
    the category of nouns serving as the grammatical subject of a verb
  14205. subkingdom
    a taxonomic group comprising a major division of a kingdom
  14206. subkingdom Metazoa
    multicellular animals having cells differentiated into tissues and organs and usually a digestive cavity and nervous system
  14207. subkingdom Parazoa
    multicellular organisms having less-specialized cells than in the Metazoa; comprises the single phylum Porifera
  14208. Sublime Porte
    the Ottoman court in Constantinople
  14209. suborder
    (biology) taxonomic group that is a subdivision of an order
  14210. suborder Alcyonacea
    comprising the soft corals
  14211. suborder Anisoptera
    dragonflies
  14212. suborder Anseres
    used in some especially older classifications
  14213. suborder Anthropoidea
    monkeys; apes; hominids
  14214. suborder Blattaria
    cockroaches; in some classifications considered an order
  14215. suborder Blattodea
    cockroaches; in some classifications considered an order
  14216. suborder Blennioidea
    blennies; butterfishes; gunnels
  14217. suborder Brachyura
    an order of crustaceans (including true crabs) having a reduced abdomen folded against the ventral surface
  14218. suborder Carnosaura
    largest carnivorous land animals ever known
  14219. suborder Cephalaspida
    extinct group of armored fish-like vertebrates
  14220. suborder Ceratopsia
    horned dinosaurs
  14221. suborder Ceratosaura
    primitive saurischian dinosaurs
  14222. suborder Charadrii
    shorebirds: plovers
  14223. suborder Clamatores
    used in some classification systems
  14224. suborder Euronithopoda
    widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon)
  14225. suborder Eurylaimi
    broadbills
  14226. suborder Gorgonacea
    red corals and sea fans
  14227. suborder Gorgoniacea
    red corals and sea fans
  14228. suborder Heteroptera
    true bugs
  14229. suborder Heterostraci
    extinct group of armored jawless fishes or fish-like vertebrate; taxonomy is not clear
  14230. suborder Homoptera
    plant lice
  14231. suborder Hyperoartia
    lampreys as distinguished from hagfishes
  14232. suborder Hyperotreta
    hagfishes as distinguished from lampreys
  14233. suborder Hystricomorpha
    an order of rodents including: porcupines
  14234. suborder Lacertilia
    true lizards; including chameleons and geckos
  14235. suborder Lari
    gulls; terns; jaegers; skimmers
  14236. suborder Lemuroidea
    Lemuridae
  14237. suborder Limicolae
    term used in some classifications for migratory shorebirds
  14238. suborder Lipotyphla
    moles; hedgehogs; true shrews
  14239. suborder Maniraptora
    advanced theropods including oviraptorids and dromaeosaurs and possibly even modern birds
  14240. suborder Manteodea
    mantises
  14241. suborder Marginocephalia
    includes boneheaded and horned dinosaurs
  14242. suborder Megachiroptera
    fruit bats
  14243. suborder Megaloptera
    in some classifications considered a separate order: alderflies; dobsonflies; snake flies
  14244. suborder Menotyphla
    elephant shrews; tree shrews
  14245. suborder Menurae
    lyrebirds and scrubbirds
  14246. suborder Microchiroptera
    most of the bats in the world
  14247. suborder Mugiloidea
    fishes distinguished by abdominal pelvic fins: families Mugilidae; Atherinidae; Sphyraenidae
  14248. suborder Myomorpha
    true rats and mice and related rodents
  14249. suborder Mysticeti
    baleen whales: right whales
  14250. suborder Myxiniformes
    hagfishes as distinguished from lampreys
  14251. suborder Myxinoidei
    hagfishes as distinguished from lampreys
  14252. suborder Natantia
    shrimp; prawns; etc.
  14253. suborder Nematocera
    mosquitoes; fungus gnats; crane flies; gnats; sand flies
  14254. suborder Nothosauria
    a suborder of Sauropterygia
  14255. suborder Odontoceti
    toothed whales: dolphins
  14256. suborder Ophidia
    snakes
  14257. suborder Ornithomimida
    lightly built medium-size theropods
  14258. suborder Ornithopoda
    widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon)
  14259. suborder Oscines
    two names for the suborder of typical songbirds
  14260. suborder Osteostraci
    extinct group of armored fish-like vertebrates
  14261. suborder Otides
    terrestrial game birds of the Old World and Australia: bustards
  14262. suborder Pachycephalosaurus
    boneheaded dinosaurs; late Cretaceous
  14263. suborder Passeres
    two names for the suborder of typical songbirds
  14264. suborder Percoidea
    in some classifications nearly or exactly equivalent to the Perciformes which are considered a suborder
  14265. suborder Petromyzoniformes
    lampreys as distinguished from hagfishes
  14266. suborder Pinnipedia
    seals; sea lions; walruses
  14267. suborder Plesiosauria
    any of the plesiosaurs
  14268. suborder Prosauropoda
    the earliest known dinosaurs
  14269. suborder Prosimii
    not used in all classifications
  14270. suborder Reptantia
    lobsters; crabs
  14271. suborder Ruminantia
    cattle
  14272. suborder Sauria
    true lizards; including chameleons and geckos
  14273. suborder Sauropoda
    any of the sauropod dinosaurs
  14274. suborder Sauropodomorpha
    gigantic herbivorous dinosaurs having huge bodies with long necks and small heads: Prosauropoda and Sauropoda (apatosaurus, diplodocus and titanosaurs)
  14275. suborder Sciuromorpha
    large more or less primitive rodents: squirrels
  14276. suborder Scombroidea
    mackerels
  14277. suborder Scorpaenoidea
    mail-cheeked fishes: scorpionfishes; gurnards
  14278. suborder Serpentes
    snakes
  14279. suborder Strepsirhini
    in some classifications either coextensive with the Lemuroidea or comprising the true lemurs
  14280. suborder Tarsioidea
    in some classifications assigned to the suborder Prosimii
  14281. suborder Theropoda
    carnivorous saurischian dinosaurs with short forelimbs
  14282. suborder Thyreophora
    armored dinosaurs: stegosaurs and ankylosaurs
  14283. suborder Tyranni
    New World flycatchers; antbirds; oven birds; woodhewers
  14284. suborder Xenarthra
    armadillos; American anteaters; sloths
  14285. suborder Zygoptera
    damselflies
  14286. subordinate clause
    a section in a complex sentence that cannot stand alone
  14287. subphylum
    a taxonomic group ranking between a phylum and a class
  14288. subphylum Cephalochordata
    lancelets
  14289. subphylum Craniata
    fishes; amphibians; reptiles; birds; mammals
  14290. subphylum Pentastomida
    tongue worms
  14291. subphylum Tunicata
    tunicates
  14292. subphylum Urochorda
    tunicates
  14293. subphylum Urochordata
    tunicates
  14294. subphylum Vertebrata
    fishes; amphibians; reptiles; birds; mammals
  14295. subpopulation
    a specific selection within a larger group
  14296. subroutine library
    (computing) a collection of standard programs and subroutines that are stored and available for immediate use
  14297. subsidiary
    functioning in a supporting capacity
  14298. subsidiary company
    a company that is completely controlled by another company
  14299. subspecies
    a taxonomic group that is a division of a species
  14300. substitution class
    the class of all items that can be substituted into the same position (or slot) in a grammatical sentence (are in paradigmatic relation with one another)
  14301. substring
    a string that is part of a longer string
  14302. subsystem
    a system that is part of some larger system
  14303. Subularia
    small genus of herbs of north temperate regions and mountains of tropical Africa
  14304. suburbia
    a residential district located on the outskirts of a city
  14305. subway
    a rail system operating below the surface of the ground
  14306. subway system
    an electric railway operating below the surface of the ground (usually in a city)
  14307. succession
    the action or process of taking over an office or position
  14308. sudra
    the lowest of the four varnas: the servants and workers of low status
  14309. Suidae
    pigs; hogs; boars
  14310. Suillus
    a genus of fungi belonging to the family Boletaceae
  14311. suite
    the group following and attending to some important person
  14312. Sula
    type genus of the Sulidae
  14313. Sulidae
    gannets and boobies
  14314. sum
    a quantity obtained by the addition of a group of numbers
  14315. sum total
    the final aggregate
  14316. sumac family
    the cashew family
  14317. summation
    calculating the total of two or more numbers
  14318. summit
    the top or extreme point of something
  14319. summit meeting
    a meeting of heads of governments
  14320. Sundacarpus
    one species
  14321. Sunday school
    school meeting on Sundays for religious instruction
  14322. sundew family
    a family of carnivorous herbs and shrubs
  14323. Sung
    the imperial dynasty of China from 960 to 1279
  14324. Sung dynasty
    the imperial dynasty of China from 960 to 1279
  14325. Sunni
    a member of one of the two main branches of orthodox Islam
  14326. Sunni Islam
    one of the two main branches of orthodox Islam
  14327. sunrise industry
    a new industry that is expanding rapidly
  14328. superclass
    (biology) a taxonomic class below a phylum and above a class
  14329. superclass Agnatha
    superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms
  14330. superclass Chelicerata
    spiders; scorpions; horseshoe crabs
  14331. superclass Gnathostomata
    comprising all vertebrates with upper and lower jaws
  14332. superclass Myriapoda
    used in some classifications to encompass the millipedes (Diplopoda) and centipedes (Chilopoda); formerly a large taxon including also the Pauropoda and Symphyla; the term Myriapoda now usually used synonymously with Diplopoda and limited to the millipedes
  14333. superfamily
    a taxonomic group ranking below an order but above a family
  14334. superfamily Aphidoidea
    plant lice
  14335. superfamily Apoidea
    bees
  14336. superfamily Coccoidea
    scale insects and mealybugs
  14337. superfamily Hominoidea
    anthropoid apes and human beings
  14338. superfamily Lamellicornia
    scarabaeid beetles and stag beetles
  14339. superfamily Muroidea
    a superfamily of rodents essentially equal to the suborder Myomorpha but with the Dipodidae excluded
  14340. superfamily Muscoidea
    two-winged flies especially the families: Muscidae
  14341. superfamily Platyrrhini
    New World monkeys: capuchin
  14342. superfamily Sphecoidea
    families Sphecidae and Stizidae
  14343. superfamily Tineoidea
    clothes moths; carpet moths; leaf miners
  14344. superfamily Tyrannidae
    New World tyrant flycatchers most numerous in Central America and South America but also in the United States and Canada
  14345. superior court
    any court that has jurisdiction above an inferior court
  14346. superorder
    (biology) a taxonomic group ranking above an order and below a class or subclass
  14347. superorder Acanthopterygii
    teleost fishes having fins with sharp bony rays
  14348. superorder Labyrinthodonta
    extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic
  14349. superorder Labyrinthodontia
    extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic
  14350. superorder Malacopterygii
    an extensive group of teleost fishes having fins supported by flexible cartilaginous rays
  14351. superorder Ratitae
    used in former classifications to include all ratite bird orders
  14352. superphylum
    (biology) a taxonomic group ranking between a phylum and below a class or subclass
  14353. superpower
    a country that can influence events throughout the world
  14354. supper
    the evening meal
  14355. support system
    a network of facilities and people who interact and remain in informal communication for mutual assistance; a network that enables you to live in a certain style
  14356. Supporters of Islam
    a radical Islamic group of terrorists in the Iraqi part of Kurdistan who oppose an independent secular nation as advocated by the United States; some members fought with the Taliban and al-Qaeda forces in Afghanistan; said to receive financial support from Saddam Hussein
  14357. supporting players
    a cast other than the principals
  14358. suppresser
    someone who suppresses
  14359. suppresser gene
    a gene that suppresses the phenotypic expression of another gene (especially of a mutant gene)
  14360. suppressor
    someone who suppresses
  14361. suppressor gene
    a gene that suppresses the phenotypic expression of another gene (especially of a mutant gene)
  14362. supra expressionism
    a movement that tried to go beyond expressionism
  14363. suprematism
    a geometric abstractionist movement originated by Kazimir Malevich in Russia that influenced constructivism
  14364. supreme court
    the highest court in most states of the United States
  14365. Supreme Court of the United States
    the highest federal court in the United States
  14366. supreme headquarters
    the highest leaders in an organization
  14367. Supreme Headquarters Allied Powers Europe
    the supreme headquarters that advises NATO on military matters and oversees all aspects of the Allied Command Europe
  14368. Supreme Truth
    a terrorist organization whose goal is to take over Japan and then the world; based on a religion founded in 1987 that combines elements of Buddhism with Christianity
  14369. Suricata
    meerkats
  14370. Surnia
    a genus of hawk-like owls
  14371. surrealism
    an artistic movement using fantastic and incongruous images
  14372. Sus
    type genus of the Suidae
  14373. suzerain
    a state exercising dominion over a dependent state
  14374. SVR
    Russia's intelligence service responsible for foreign operations, intelligence-gathering and analysis, and the exchange of intelligence information; collaborates with other countries to oppose proliferation of weapons of mass destruction, terrorism and organized crime
  14375. swad
    a bunch
  14376. Swainsona
    a genus of Australian herbs and subshrubs: darling peas
  14377. swarm
    a group of many things in the air or on the ground
  14378. SWAT squad
    a squad of policemen who have been trained to deal with violent and dangerous situations
  14379. SWAT team
    a squad of policemen who have been trained to deal with violent and dangerous situations
  14380. sweet lemon
    lemon tree having fruit with a somewhat insipid sweetish pulp
  14381. sweet lime
    lemon tree having fruit with a somewhat insipid sweetish pulp
  14382. sweetleaf family
    a dicotyledonous family of order Ebenales
  14383. Swertia
    genus of herbs of mountains of North America and Eurasia and Africa
  14384. Swietinia
    tropical American mahogany trees
  14385. Swiss
    of or relating to Switzerland or its people or culture
  14386. Swiss people
    the natives or inhabitants of Switzerland
  14387. syllabicity
    the pattern of syllable formation in a particular language
  14388. sylva
    the forest trees growing in a country or region
  14389. Sylviidae
    in some classifications considered a subfamily (Sylviinae) of the family Muscicapidae: Old World (true) warblers; American kinglets and gnatcatchers
  14390. Sylviinae
    alternative classification for the Old World warblers
  14391. Sylvilagus
    North American rabbits
  14392. symbolism
    the practice of investing things with arbitrary meaning
  14393. Symphalangus
    used in some classifications for the siamangs
  14394. symphony
    a long and complex sonata for an orchestra
  14395. symphony orchestra
    a large orchestra; can perform symphonies
  14396. Symphoricarpos
    deciduous shrubs of North America and Central America and China
  14397. Symphyla
    small class of minute arthropods
  14398. Symphytum
    comfrey
  14399. Symplocaceae
    a dicotyledonous family of order Ebenales
  14400. Symplocarpus
    one species: skunk cabbage
  14401. Symplocus
    type and sole genus of Symplocaceae including sweetleaf
  14402. symposium
    a meeting for the public discussion of some topic
  14403. Synagrops
    a genus of Serranidae
  14404. Synanceja
    stonefishes
  14405. Synapsida
    extinct reptiles of the Permian to Jurassic considered ancestral to mammals
  14406. Synaptomys
    bog lemmings
  14407. Synchytriaceae
    a fungus family of order Chytridiales
  14408. Synchytrium
    simple parasitic fungi including pond scum parasites
  14409. syndicalism
    a radical political movement that advocates bringing industry and government under the control of labor unions
  14410. syndicate
    an association of companies for some definite purpose
  14411. Synentognathi
    order of fishes having spineless fins
  14412. Synercus
    Cape buffalo
  14413. Syngnathidae
    pipefishes
  14414. Syngnathus
    type genus of the family Syngnathidae
  14415. Syngonium
    epiphytic or terrestrial climbing shrubs of Central and South America; used as ornamental houseplants for their velvety foliage
  14416. synod
    a council convened to discuss ecclesiastical business
  14417. Synodontidae
    soft-finned bottom-dwelling fishes
  14418. synset
    a set of one or more synonyms
  14419. syntactic category
    a category of words having the same grammatical properties
  14420. syntagm
    a syntactic string of words that forms a part of some larger syntactic unit
  14421. syntagma
    a syntactic string of words that forms a part of some larger syntactic unit
  14422. syntax
    the study of the rules for forming admissible sentences
  14423. synthetic cubism
    the late phase of cubism
  14424. Syrian Desert
    a desert of northern Arabia occupying western Iraq, southern Syria, eastern Jordan, and northern Saudi Arabia
  14425. Syringa
    genus of Old World shrubs or low trees having fragrant flowers in showy panicles: lilacs
  14426. Syrrhaptes
    a genus of Pteroclididae
  14427. system
    a group of independent elements comprising a unified whole
  14428. Syzygium
    a tropical evergreen tree of the myrtle family native to the East Indies but cultivated elsewhere
  14429. Tabanidae
    horseflies
  14430. Tabernaemontana
    evergreen tropical trees and shrubs with milky sap
  14431. table
    furniture having a smooth flat top supported by legs
  14432. table of contents
    a list of what is included and where it can be found
  14433. tableau
    any dramatic scene
  14434. tableau vivant
    a group of people attractively arranged
  14435. tabular array
    a set of data arranged in rows and columns
  14436. Tacca
    genus of tropical plants with creeping rootstocks and small umbellate flowers
  14437. Taccaceae
    small family of tropical herbs
  14438. Tachinidae
    parasites on other insects
  14439. Tachyglossidae
    echidnas
  14440. Tachyglossus
    type genus of the family Tachyglossidae
  14441. Tachypleus
    a genus of Limulidae
  14442. Tadarida
    freetail bats
  14443. Tadorna
    sheldrakes
  14444. Tadzhik
    a landlocked mountainous republic in southeast central Asia to the north of Afghanistan; formerly an Asian soviet
  14445. Taeniidae
    a family of Cestoda
  14446. Tageteste
    marigolds
  14447. Tajik
    a landlocked mountainous republic in southeast central Asia to the north of Afghanistan; formerly an Asian soviet
  14448. takeover target
    a company that has been chosen as attractive for takeover by a potential acquirer
  14449. Taklamakan Desert
    a desert in western China
  14450. Taklimakan Desert
    a desert in western China
  14451. Taleban
    a fundamentalist Islamic militia
  14452. Taliban
    a fundamentalist Islamic militia
  14453. Talinum
    genus of mainly American more-or-less succulent herbs
  14454. Talpidae
    moles
  14455. Tamaricaceae
    family of desert shrubs and trees
  14456. Tamarindus
    widely cultivated tropical trees originally of Africa
  14457. tamarisk family
    family of desert shrubs and trees
  14458. Tamarix
    genus of deciduous shrubs or small trees of eastern Mediterranean regions and tropical Asia
  14459. Tamias
    chipmunks of eastern North America
  14460. Tamiasciurus
    American red squirrels
  14461. Tamil Eelam
    the independent state that the Tamil Tigers have fought for
  14462. Tamil Tigers
    a terrorist organization in Sri Lanka that began in 1970 as a student protest over the limited university access for Tamil students; currently seeks to establish an independent Tamil state called Eelam; relies on guerilla strategy including terrorist tactics that target key government and military personnel
  14463. Tammany
    a political organization within the Democratic Party in New York City (late 1800's and early 1900's) seeking political control by corruption and bossism
  14464. Tammany Hall
    a political organization within the Democratic Party in New York City (late 1800's and early 1900's) seeking political control by corruption and bossism
  14465. Tammany Society
    a political organization within the Democratic Party in New York City (late 1800's and early 1900's) seeking political control by corruption and bossism
  14466. Tamus
    a genus of tuberous vines of the family Dioscoreaceae
  14467. Tanacetum
    a large genus of plants resembling chrysanthemums
  14468. Tang
    the imperial dynasty of China from 618 to 907
  14469. Tang dynasty
    the imperial dynasty of China from 618 to 907
  14470. Tantilla
    black-headed snakes
  14471. Tantrism
    doctrine of enlightenment as the realization of the oneness of one's self and the visible world; combines elements of Hinduism and paganism including magical and mystical elements like mantras and mudras and erotic rites; especially influential in Tibet
  14472. Tanzim
    a terrorist group organized by Yasser Arafat in 1995 as the armed wing of al-Fatah; serves a dual function of violent confrontation with Israel and serves as Arafat's unofficial militia to prevent rival Islamists from usurping leadership
  14473. Tanzimul Fuqra
    an Islamic terrorist group organized in the 1980s
  14474. Taoism
    philosophical system developed by Lao-tzu and Chuang-tzu advocating a simple honest life and noninterference with the course of natural events
  14475. Tapiridae
    tapirs and extinct related forms
  14476. Tapirus
    type genus of the Tapiridae
  14477. Taraktagenos
    medium to large Indonesian and Malaysian trees
  14478. Taraktogenos
    medium to large Indonesian and Malaysian trees
  14479. Taraxacum
    an asterid dicot genus of the family Compositae including dandelions
  14480. Tardigrada
    in some classifications considered a separate phylum: microscopic arachnid-like invertebrates living in water or damp moss having 4 pairs of legs and instead of a mouth a pair of stylets or needlelike piercing organs connected with the pharynx
  14481. Tareekh e Kasas
    an organization of Muslims in India who killed Hindus in September 2002; believed to have ties with Muslim terrorists in Pakistan
  14482. target company
    a company that has been chosen as attractive for takeover by a potential acquirer
  14483. Taricha
    Pacific newts
  14484. Tarrietia
    small genus of east Asian and Australian timber trees
  14485. Tarsiidae
    coextensive with the genus Tarsius: tarsiers
  14486. Tarsioidea
    in some classifications assigned to the suborder Prosimii
  14487. Tarsius
    type and sole genus of the family Tarsiidae
  14488. task force
    a semipermanent unit created to carry out a continuing task
  14489. Taurotragus
    African antelopes: elands
  14490. Tautoga
    tautogs
  14491. Tautogolabrus
    a genus of Labridae
  14492. tax bracket
    a category of taxpayers based on the amount of their income
  14493. tax law
    the body of laws governing taxation
  14494. Taxaceae
    sometimes classified as member of order Taxales
  14495. Taxales
    coextensive with the family Taxaceae: yews
  14496. Taxidea
    in some classifications considered a genus of subfamily Melinae
  14497. Taxodiaceae
    coniferous trees
  14498. Taxodium
    bald cypress; swamp cypress
  14499. taxon
    animal or plant group having natural relations
  14500. taxonomic category
    animal or plant group having natural relations
  14501. taxonomic group
    animal or plant group having natural relations
  14502. taxonomy
    a classification of organisms based on similarities
  14503. Taxophytina
    yews: in some systems classified as a class (Taxopsida) and in others as a subdivision (Taxophytina) used in some classifications for one of five subdivisions of Gymnospermophyta
  14504. Taxopsida
    yews: in some systems classified as a class (Taxopsida) and in others as a subdivision (Taxophytina) used in some classifications for one of five subdivisions of Gymnospermophyta
  14505. Taxus
    yews
  14506. Tayassu
    type genus of the Tayassuidae
  14507. Tayassuidae
    peccaries
  14508. TC
    a permanent council of the United Nations that commissions a country (or countries) to undertake the administration of a territory
  14509. tea
    the name of tea in various languages
  14510. tea family
    a family of trees and shrubs of the order Parietales
  14511. teachers college
    a two-year school for training elementary teachers
  14512. team
    a cooperative unit
  14513. team up
    form a team
  14514. Teamsters Union
    an industrial union of truck drivers and chauffeurs and warehouse workers
  14515. tech
    a school teaching mechanical and industrial arts and the applied sciences
  14516. technical school
    a school teaching mechanical and industrial arts and the applied sciences
  14517. technocracy
    a form of government in which scientists and technical experts are in control
  14518. Technology Administration
    an agency in the Department of Commerce that works with United States industries to promote competitiveness and maximize the impact of technology on economic growth
  14519. Tecophilaeacea
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
  14520. Tectaria
    terrestrial or epilithic ferns of tropical rain forests
  14521. Tectona
    small genus of southeastern Asian tropics: teak
  14522. teddy boys
    a British youth subculture that first appeared in the 1950s
  14523. teeth
    the kind and number and arrangement of teeth (collectively) in a person or animal
  14524. Teiidae
    whiptails; etc.
  14525. Telanthera
    used in former classifications systems
  14526. telco
    a public utility that provides telephone service
  14527. Teleostei
    large diverse group of bony fishes
  14528. telephone company
    a public utility that provides telephone service
  14529. telephone service
    a public utility that provides telephone service
  14530. Tellima
    genus of hardy perennials with palmately lobed leaves and long racemes of small nodding five-petaled flowers; western North America
  14531. Telopea
    Australian evergreen shrubs: waratahs
  14532. Telosporidia
    parasitic sporozoans that form spores containing one or more infective sporozoites
  14533. Temnospondyli
    formerly a suborder of Stegocephalia
  14534. temperate rain forest
    a rain forest in a temperate area
  14535. Templetonia
    genus of Australian shrubs or subshrubs: coral bush
  14536. temporal
    of or relating to or limited by time
  14537. temporal role
    the semantic role of the noun phrase that designates the time of the state or action denoted by the verb
  14538. temporalty
    the worldly possessions of a church
  14539. temporary hookup
    a connection intended to be used for a limited time
  14540. tenantry
    tenants of an estate considered as a group
  14541. Tenebrionidae
    a family of arthropods including darkling beetles and mealworms
  14542. tennis club
    a club of people to play tennis
  14543. Tenrecidae
    tenrecs and extinct related forms
  14544. tense
    taut or rigid; stretched tight
  14545. tense system
    a system of tenses used in a particular language
  14546. Tentaculata
    ctenophores have retractile tentacles
  14547. Tenthredinidae
    sawflies
  14548. Tephrosia
    genus of tropical and subtropical herbs or shrubs: hoary peas
  14549. terbium metal
    a separate group of related lanthanides, including terbium, europium, gadolinium, and sometimes dysprosium
  14550. Terebella
    type genus of Terebellidae
  14551. Terebellidae
    marine burrowing or tube-forming polychete worms usually having long thick bodies
  14552. Teredinidae
    shipworms
  14553. term
    a limited period of time during which something lasts
  14554. Termes
    type genus of the Termitidae
  14555. Termitidae
    termites
  14556. terrace
    usually paved outdoor area adjoining a residence
  14557. Terrapene
    box turtles
  14558. Terrietia
    small genus of timber trees of eastern Asia, Australasia and tropical Africa that form large buttresses
  14559. territorial
    of or relating to a geographical area
  14560. Territorial Army
    British unit of nonprofessional soldiers organized for the defense of Great Britain
  14561. territorial reserve
    a territorial military unit
  14562. terrorist cell
    a cell of terrorists (usually 3 to 5 members)
  14563. terrorist group
    a political movement that uses terror as a weapon to achieve its goals
  14564. terrorist organization
    a political movement that uses terror as a weapon to achieve its goals
  14565. Testacea
    testacean rhizopods
  14566. Testudinata
    tortoises and turtles
  14567. Testudines
    tortoises and turtles
  14568. Testudinidae
    land tortoises
  14569. Testudo
    type genus of the Testudinidae
  14570. Tethyidae
    sea hares
  14571. Tethys
    a Titaness and sea goddess; wife of Oceanus
  14572. Tetraclinis
    sandarac tree
  14573. Tetragonia
    New Zealand spinach
  14574. Tetragoniaceae
    succulent herbs or small shrubs mostly of South Africa but also New Zealand and North America: carpetweeds; fig marigolds
  14575. Tetragonurus
    a genus of Stromateidae
  14576. Tetraneuris
    genus of hairy yellow-flowered plants of the western United States
  14577. Tetranychidae
    plant-feeding mites
  14578. Tetrao
    type genus of the Tetraonidae: capercaillies
  14579. Tetraodontidae
    puffers
  14580. Tetraonidae
    grouse
  14581. Tetrapturus
    a genus of Istiophoridae
  14582. Tettigoniidae
    long-horned grasshoppers; katydids
  14583. Teucrium
    large widely distributed genus of perennial herbs or shrubs or subshrubs; native to Mediterranean region to western Asia
  14584. Thalarctos
    polar bears
  14585. Thalassoma
    a genus of Labridae
  14586. Thaliacea
    small class of free-swimming tunicates
  14587. Thalictrum
    widely distributed genus of perennial herbs: meadow rue
  14588. Thallophyta
    used only in former classifications: comprising what is now considered a heterogeneous assemblage of flowerless and seedless organisms: algae; bacteria; fungi; lichens
  14589. Thamnophilus
    a genus of Formicariidae
  14590. Thamnophis
    garter snakes
  14591. Thar Desert
    a desert to the east of the Indus River in northwestern India and southeastern Pakistan
  14592. the City
    the part of London situated within the ancient boundaries
  14593. the great unwashed
    the common people generally
  14594. the halt
    (archaic) lame persons collectively
  14595. the Street
    used to allude to the securities industry of the United States
  14596. the three estates
    a major social class or order of persons regarded collectively as part of the body politic of the country (especially in the United Kingdom) and formerly possessing distinct political rights
  14597. Theaceae
    a family of trees and shrubs of the order Parietales
  14598. theater company
    a company that produces plays
  14599. Thecodontia
    extinct terrestrial reptiles having teeth set in sockets
  14600. Thelephoraceae
    fungi having leathery or membranous sporophores
  14601. Thelypteridaceae
    genera Thelypteris, Phegopteris, and others
  14602. Thelypteris
    marsh ferns: in some classification systems considered part of genus Dryopteris in family Dryopteridaceae
  14603. Theobroma
    cacao plants
  14604. theocracy
    a political unit governed by a deity
  14605. Theophrastaceae
    family of mainly tropical American trees and shrubs similar to those of the Myrsinaceae; often included in the Myrsinaceae
  14606. Theraphosidae
    large tropical spiders; tarantulas
  14607. Therapsida
    extinct mammal-like reptiles found inhabiting all continents from the mid Permian to late Triassic
  14608. Theridiidae
    a family of comb-footed spiders
  14609. Thermobia
    a genus of Lepismatidae
  14610. Thermopsis
    genus of American and Asiatic showy rhizomatous herbs: bush peas
  14611. Theropoda
    carnivorous saurischian dinosaurs with short forelimbs
  14612. Thespesia
    a small genus of tropical trees including the portia tree
  14613. Thevetia
    genus of poisonous tropical American evergreen shrubs and trees having entire leaves and large cymose flowers
  14614. thicket
    a dense growth of bushes
  14615. Thielavia
    genus of fungi having spherical brown perithecia and some conidia borne in chains; cause root rot
  14616. think factory
    a company that does research for hire and issues reports on the implications
  14617. think tank
    a company that does research for hire and issues reports on the implications
  14618. Thiobacteriaceae
    free-living coccoid to rod-shaped bacteria that derive energy from oxidizing sulfur or sulfur compounds
  14619. Third Council of Constantinople
    the sixth ecumenical council in 680-681 which condemned Monothelitism by defining two wills in Christ, divine and human
  14620. third estate
    the common people
  14621. third house
    a group of people who try actively to influence legislation
  14622. Third Lateran Council
    the Lateran Council in 1179 that condemned the heresies of the Albigenses and the Waldenses
  14623. third party
    someone other than the principals involved in a transaction
  14624. third person
    pronouns referring to people besides the speaker or listener
  14625. Third Reich
    the Nazi dictatorship under Hitler (1933-1945)
  14626. Third World
    underdeveloped or developing countries around the world collectively
  14627. Thlaspi
    herbs of temperate regions: pennycress
  14628. Thomomys
    western pocket gophers
  14629. Thraupidae
    tanagers
  14630. threescore
    being ten more than fifty
  14631. threesome
    three people considered as a unit
  14632. Threskiornis
    type genus of the Threskiornithidae
  14633. Threskiornithidae
    ibises
  14634. thrift
    extreme care in spending money
  14635. thrift institution
    a depository financial institution intended to encourage personal savings and home buying
  14636. Thrinax
    small to medium-sized fan palms
  14637. Thripidae
    thrips
  14638. thrombus
    a blood clot formed within a blood vessel and remaining attached to its place of origin
  14639. throng
    a large gathering of people
  14640. Thryothorus
    Carolina wrens
  14641. Thuja
    red cedar
  14642. Thujopsis
    one species; has close similarity to genus Thuja
  14643. Thunbergia
    a genus of herbs or vines of the family Acanthaceae
  14644. Thunnus
    tunas: warm-blooded fishes
  14645. Thylacinus
    Tasmanian wolf
  14646. Thylogale
    pademelons
  14647. Thymelaeaceae
    family of trees and shrubs and herbs having tough bark that are found especially in Australia and tropical Africa
  14648. Thymelaeales
    Myrtaceae
  14649. Thymus
    large genus of Old World mints: thyme
  14650. Thyreophora
    armored dinosaurs: stegosaurs and ankylosaurs
  14651. thyreophoran
    armored dinosaurs: stegosaurs and ankylosaurs
  14652. Thysanocarpus
    small genus of herbs of upland regions of the Pacific coast of North America
  14653. Thysanoptera
    thrips
  14654. Thysanura
    firebrats; silverfish; machilids
  14655. Tiarella
    small genus of North American herbs having mostly basal leaves and slender racemes of delicate white flowers
  14656. Tibicen
    harvest flies
  14657. Tichodroma
    wall creepers
  14658. ticket line
    a queue of people waiting to buy tickets
  14659. Tigers
    a terrorist organization in Sri Lanka that began in 1970 as a student protest over the limited university access for Tamil students; currently seeks to establish an independent Tamil state called Eelam; relies on guerilla strategy including terrorist tactics that target key government and military personnel
  14660. Tilapia
    a genus of Cichlidae
  14661. Tilia
    deciduous trees with smooth usually silver-grey bark of North America and Europe and Asia: lime trees; lindens; basswood
  14662. Tiliaceae
    chiefly trees and shrubs of tropical and temperate regions of especially southeastern Asia and Brazil; genera Tilia, Corchorus, Entelea, Grewia, Sparmannia
  14663. Tiliomycetes
    category used in some systems to comprise the two orders Ustilaginales (smuts) and Uredinales (rusts)
  14664. Tillandsia
    large genus of epiphytic or terrestrial sparse-rooting tropical plants usually forming dense clumps or pendant masses
  14665. Tilletia
    a genus of fungi belonging to the family Tilletiaceae
  14666. Tilletiaceae
    a family of smut fungi having a simple promycelium bearing the spores in an apical cluster
  14667. Timalia
    type genus of the Timaliidae
  14668. Timaliidae
    babblers
  14669. timber
    the wood of trees prepared for use as building material
  14670. timberland
    land that is covered with trees and shrubs
  14671. timid
    showing fear and lack of courage
  14672. Tinamidae
    comprising the tinamous
  14673. Tinamiformes
    coextensive with the family Tinamidae
  14674. Tinca
    tench
  14675. Tinea
    type genus of the Tineidae: clothes moths
  14676. Tineidae
    clothes moths
  14677. Tineoidea
    clothes moths; carpet moths; leaf miners
  14678. Tineola
    webbing clothes moths
  14679. Tingidae
    lace bugs
  14680. Tipuana
    one species: South American tree: tipu tree
  14681. Tipulidae
    crane flies
  14682. Titanosauridae
    herbivorous dinosaurs of the Cretaceous
  14683. Titanosaurus
    genus of herbivorous dinosaurs flourishing during the Cretaceous in South America
  14684. tobacco industry
    an industry that manufactures and sells products containing tobacco
  14685. Todea
    a genus of delicate ferns belonging to the family Osmundaceae
  14686. Todidae
    a family of birds of the order Coraciiformes
  14687. Todus
    type genus of the Todidae
  14688. Tofieldia
    genus of perennial herbs of cool temperate regions
  14689. Tolmiea
    one species: pickaback plant
  14690. Tolypeutes
    a genus of Dasypodidae
  14691. Tomistoma
    a genus of Malayan crocodiles
  14692. tonal system
    the system of tones used in a particular language or dialect of a tone language
  14693. tone system
    the system of tones used in a particular language or dialect of a tone language
  14694. Toona
    formerly included in genus Cedrela
  14695. top brass
    the most important persons in a governing body
  14696. topic sentence
    a statement that provides the main idea of a paragraph
  14697. torchwood family
    resinous or aromatic chiefly tropical shrubs or trees
  14698. Torpedinidae
    electric rays
  14699. Torpediniformes
    rays with bodies shaped like torpedoes
  14700. Torreya
    nutmeg-yews
  14701. Tortricidae
    leaf rollers and codling moths
  14702. totalitarian state
    a government that subordinates the individual to the state and strictly controls all aspects of life by coercive measures
  14703. totalitarianism
    a form of government in which the ruler is unconstrained
  14704. totalitation regime
    a government that subordinates the individual to the state and strictly controls all aspects of life by coercive measures
  14705. totem
    emblem consisting of an object such as an animal or plant
  14706. tout ensemble
    an assemblage of parts or details (as in a work of art) considered as forming a whole
  14707. town
    an urban area with a fixed boundary that is smaller than a city
  14708. town meeting
    a meeting of the inhabitants of a town
  14709. Townsendia
    genus of western American low tufted herbs: Easter daisy
  14710. townsfolk
    the people living in a municipality smaller than a city
  14711. townspeople
    the people living in a municipality smaller than a city
  14712. Toxicodendron
    in some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch; of North America and northern South America
  14713. Toxostoma
    thrashers
  14714. Toxotes
    type genus of the Toxotidae
  14715. Toxotidae
    archerfishes
  14716. toy business
    an industry that manufactures and sells toys for children
  14717. toy industry
    an industry that manufactures and sells toys for children
  14718. Trachelospermum
    genus of Asiatic woody vines with milky sap in leaves and stems
  14719. Tracheophyta
    in former classifications: comprising plants with a vascular system including ferns and fern allies as well as seed plants
  14720. Trachinotus
    a genus of Carangidae
  14721. Trachipteridae
    ribbonfishes
  14722. Trachipterus
    type genus of the Trachipteridae
  14723. Trachurus
    the scads (particularly horse mackerels)
  14724. trade
    the commercial exchange of goods and services
  14725. trade school
    a secondary school teaching the skilled trades
  14726. trade union
    an employee organization that bargains with an employer
  14727. trade union movement
    an organized attempt by workers to improve their status by united action (particularly via labor unions) or the leaders of this movement
  14728. trade unionism
    the system or principles and theory of labor unions
  14729. trades union
    an employee organization that bargains with an employer
  14730. Tradescantia
    spiderworts
  14731. tradespeople
    people engaged in trade
  14732. traffic
    vehicles or pedestrians traveling in a particular locality
  14733. traffic court
    a court that has power to prosecute for traffic offenses
  14734. traffic jam
    a number of vehicles blocking one another until they can scarcely move
  14735. Tragelaphus
    African antelopes: kudus; bongos; nyalas; bushbucks
  14736. Tragopogon
    genus of Old World herbs with linear entire leaves and yellow or purple flower heads
  14737. Tragulidae
    chevrotains
  14738. Tragulus
    type genus of the Tragulidae
  14739. train
    educate for a future role or function
  14740. trainband
    a company of militia in England or America from the 16th century to the 18th century
  14741. training college
    a school providing training for a special field or profession
  14742. training school
    a school providing practical vocational and technical training
  14743. transfer agent
    an agency (usually a bank) that is appointed by a corporation to keep records of its stock and bond owners and to resolve problems about certificates
  14744. transforming gene
    a gene that disposes normal cells to change into cancerous tumor cells
  14745. transgene
    an exogenous gene introduced into the genome of another organism
  14746. transit line
    a line providing public transit
  14747. transitive
    designating a verb that requires a direct object
  14748. transitive verb
    a verb that requires an object in order to be grammatical
  14749. transitive verb form
    a verb that requires an object in order to be grammatical
  14750. Transportation
    the United States federal department that institutes and coordinates national transportation programs; created in 1966
  14751. transportation company
    a company providing transportation
  14752. Transportation Security Administration
    an agency established in 2001 to safeguard United States transportation systems and insure safe air travel
  14753. transpose
    change the order or arrangement of
  14754. trap line
    a line or series of traps
  14755. Trapa
    small genus of Eurasian aquatic perennial herbs: water chestnut
  14756. Trapaceae
    family comprising solely the genus Trapa
  14757. trash
    worthless material that is to be disposed of
  14758. Trautvetteria
    small genus of perennial herbs: false bugbane
  14759. travel agency
    an agency that arranges personal travel
  14760. treasure
    any possession that is highly valued by its owner
  14761. treasure trove
    any collection of valuables that is discovered
  14762. treasury
    a depository where wealth can be kept safely
  14763. Treasury Department
    the federal department that collects revenue and administers federal finances; the Treasury Department was created in 1789
  14764. tree farm
    a forest where trees are grown for commercial use
  14765. Trema
    an evergreen tree of the family Ulmaceae that grows in tropical America and Africa and Asia
  14766. Trematoda
    parasitic flatworms (including flukes)
  14767. Tremella
    fungi with yellowish gelatinous sporophores having convolutions resembling those of the brain
  14768. Tremellaceae
    a family of basidiomycetous fungi of the order Tremellales that have the basidium divided longitudinally
  14769. Tremellales
    fungi varying from gelatinous to waxy or even horny in texture; most are saprophytic
  14770. Trephritidae
    fruit flies; some leaf miners
  14771. Treponemataceae
    small spirochetes some parasitic or pathogenic
  14772. triad
    a set of three similar things considered as a unit
  14773. Triaenodon
    a genus of Triakidae
  14774. Triakidae
    small sharks with smooth skins and lacking spines on their dorsal fins
  14775. trial court
    the first court before which the facts of a case are decided
  14776. Trialeurodes
    a genus of Aleyrodidae
  14777. Triatoma
    conenoses
  14778. tribal society
    a society with the social organization of a tribe
  14779. tribe
    a group of people with shared ancestry and customs
  14780. tribe Bambuseae
    bamboos
  14781. tribe Bovini
    term not used technically
  14782. tribe Bubalus
    in some classification systems included in genus Bos
  14783. tribe synercus
    Cape buffalo
  14784. Tribes of Israel
    twelve kin groups of ancient Israel each traditionally descended from one of the twelve sons of Jacob
  14785. Tribolium
    flour beetles
  14786. Tribonema
    type genus of Tribonemaceae
  14787. Tribonemaceae
    simple filamentous freshwater yellow-green algae
  14788. Tribulus
    annual or perennial herbs or subshrubs of warm regions
  14789. tribunal
    an assembly to conduct judicial business
  14790. Trichechidae
    comprising only the manatees
  14791. Trichechus
    type and sole genus of the Trichechidae
  14792. Trichiuridae
    cutlassfishes
  14793. Trichoceros
    small genus of small epiphytic or terrestrial orchids of tropical South America
  14794. Trichodontidae
    two species of elongate compressed scaleless large-eyed fishes that live in sand or mud
  14795. Trichoglossus
    a genus of Loriinae
  14796. Tricholoma
    agarics with white spores and a fleshy stalk and notched gills; of various colors both edible and inedible
  14797. Tricholomataceae
    a family of fungi belonging to the order Agaricales
  14798. Trichomanes
    bristle ferns; kidney ferns
  14799. Trichophaga
    carpet moths
  14800. Trichophyton
    a genus of fungus of the family Moniliaceae
  14801. Trichoptera
    an order of insects consisting of caddis flies
  14802. Trichostema
    genus of North American aromatic herbs or subshrubs: blue curls
  14803. Trichostigma
    a genus of erect or climbing shrubs found in tropical South America
  14804. Trichosurus
    a genus of Phalangeridae
  14805. trichotomy
    being threefold
  14806. Trichys
    a genus of Hystricidae
  14807. Tridacna
    type genus of the family Tridacnidae: giant clams
  14808. Tridacnidae
    large marine hard-shell clams
  14809. Trifolium
    any leguminous plant having leaves divided into three leaflets
  14810. Triga
    type genus of the Triglidae
  14811. Triglidae
    in some classifications restricted to the gurnards and subdivided into the subfamilies Triglinae (true sea robins) and Peristediinae (armored sea robins)
  14812. Triglinae
    in some classifications considered a subfamily of Triglidae comprising searobins having ordinary scales and no barbels (true searobins)
  14813. Triglochin
    perennial or annual bog or marsh plants
  14814. trigon
    a triangular lyre of ancient Greece and Rome
  14815. Trigonella
    Old World genus of frequently aromatic herbs
  14816. Trilisa
    genus of herbs of southern United States
  14817. Trilliaceae
    small family of herbs having flowers with 3 petals and 3 sepals; in some classification systems considered a subfamily of the Liliaceae
  14818. trillium family
    small family of herbs having flowers with 3 petals and 3 sepals; in some classification systems considered a subfamily of the Liliaceae
  14819. trilogy
    a set of three literary or dramatic works related in subject
  14820. Trimorphodon
    lyre snakes
  14821. Trimurti
    the triad of divinities of later Hinduism
  14822. Trinectes
    a genus of Soleidae
  14823. Tringa
    a genus of Scolopacidae
  14824. trinity
    three people or things considered as a unit
  14825. trinketry
    trinkets and other ornaments of dress collectively
  14826. trio
    a set of three similar things considered as a unit
  14827. Trionychidae
    soft-shelled turtles
  14828. Trionyx
    type genus of the Trionychidae
  14829. Triopidae
    a family of Notostraca
  14830. Triops
    type genus of the family Triopidae: small crustaceans with a small third median eye
  14831. Triostium
    genus of Asiatic and North American herbs: feverroot
  14832. trip wire
    a wire stretched close to the ground that activates something (a trap or camera or weapon) when tripped over
  14833. triple
    having three units or components or elements
  14834. triplet
    one of three siblings born at the same time
  14835. triplet code
    the normal version of the genetic code in which a sequence of three nucleotides codes for the synthesis of a specific amino acid
  14836. Tripleurospermum
    small genus comprising plants often included in genus Matricaria
  14837. triplicity
    the property of being triple
  14838. Triplochiton
    small genus of tropical African trees with maplelike leaves
  14839. Triticum
    annual cereal grasses from Mediterranean area
  14840. Triturus
    chiefly aquatic salamanders
  14841. triumvirate
    a group of three people responsible for civil authority
  14842. Trochilidae
    hummingbirds
  14843. Trogium
    a genus of Psocidae
  14844. Troglodytes
    type genus of the Troglodytidae
  14845. Troglodytidae
    wrens
  14846. Trogonidae
    coextensive with the order Trogoniformes
  14847. Trogoniformes
    trogons
  14848. troika
    a Russian carriage pulled by three horses abreast
  14849. Trojan horse
    a subversive group that supports the enemy and engages in espionage or sabotage; an enemy in your midst
  14850. trolley line
    a transit line using streetcars or trolley buses
  14851. Trollius
    perennial herbs of north temperate regions: globeflowers
  14852. Trombicula
    type genus of the family Trombiculidae
  14853. Trombiculidae
    mites
  14854. Trombidiidae
    mites
  14855. troop
    a group of soldiers
  14856. troops
    soldiers collectively
  14857. Tropaeolaceae
    coextensive with the genus Tropaeolum
  14858. Tropaeolum
    a tropical American genus of dicotyledonous climbing or diffuse pungent herbs constituting the family Tropaeolaceae
  14859. tropical rain forest
    a rain forest in a tropical area
  14860. Tropidoclonion
    lined snakes
  14861. troponomy
    the place names of a region or a language considered collectively
  14862. troponymy
    the place names of a region or a language considered collectively
  14863. troupe
    an organization of performers and associated personnel
  14864. truck dealer
    a firm that sells and buys trucks
  14865. truck traffic
    trucks coming and going
  14866. trucking company
    a company that ships goods or possessions by truck
  14867. trucking industry
    an industry that provides transportation for commercial products
  14868. trumpet creeper
    a North American woody vine having pinnate leaves and large red trumpet-shaped flowers
  14869. trumpet section
    the section of a band or orchestra that plays trumpets or cornets
  14870. trumpet vine
    a North American woody vine having pinnate leaves and large red trumpet-shaped flowers
  14871. Truncocolumella
    a genus of fungi belonging to the family Rhizopogonaceae
  14872. trust
    belief in the honesty and reliability of others
  14873. trust company
    an organization (usually with a commercial bank) that is engaged as a trustee or fiduciary or agent in handling trust funds or estates of custodial arrangements or stock transfers or related services
  14874. trust corporation
    an organization (usually with a commercial bank) that is engaged as a trustee or fiduciary or agent in handling trust funds or estates of custodial arrangements or stock transfers or related services
  14875. Trusteeship Council
    a permanent council of the United Nations that commissions a country (or countries) to undertake the administration of a territory
  14876. Trypetidae
    fruit flies; some leaf miners
  14877. tryst
    a secret rendezvous, especially a romantic one
  14878. TSA
    an agency established in 2001 to safeguard United States transportation systems and insure safe air travel
  14879. Tsuga
    hemlock; hemlock fir; hemlock spruce
  14880. tube
    a hollow cylindrical shape
  14881. Tuber
    type genus of the Tuberaceae: fungi whose fruiting bodies are typically truffles
  14882. Tuberaceae
    family of fungi whose ascocarps resemble tubers and vary in size from that of an acorn to that of a large apple
  14883. Tuberales
    small order of fungi belonging to the subdivision Ascomycota having closed underground ascocarps
  14884. Tubercularia
    type genus of the Tuberculariaceae
  14885. Tuberculariaceae
    large family of mainly saprophytic imperfect fungi
  14886. Tubulidentata
    an order of Eutheria
  14887. Tudor
    an English dynasty descended from Henry Tudor
  14888. tuft
    a bunch or cluster of strands, as of grass, hair, etc.
  14889. Tulestoma
    type genus of the Tulostomaceae
  14890. Tulipa
    Eurasian perennial bulbous herbs
  14891. Tulostoma
    type genus of the Tulostomaceae
  14892. Tulostomaceae
    stalked puffballs
  14893. Tulostomataceae
    stalked puffballs
  14894. Tulostomatales
    an order of fungi belonging to the class Gasteromycetes
  14895. tumor suppressor gene
    a suppressor gene that blocks unscheduled cell division
  14896. Tunga
    a genus of Siphonaptera
  14897. Tunicata
    tunicates
  14898. Tupac Amaru Revolutionary Movement
    a Marxist-Leninist terrorist organization in Peru
  14899. Tupac Katari Guerrilla Army
    a terrorist group that is the remnants of the original Bolivian insurgents trained by Che Guevara; attacks small unprotected targets such as power pylons or oil pipelines or government buildings
  14900. Tupaia
    the type genus of the Tupaia: chief genus of tree shrews
  14901. Tupaiidae
    tree shrews
  14902. tupelo family
    a family of dicotyledonous trees of order Myrtales that includes the sour gum trees
  14903. Tupinambis
    tejus
  14904. Turbatrix
    a genus of Cephalobidae
  14905. Turbellaria
    free-living flatworms
  14906. Turdidae
    thrushes
  14907. Turdinae
    alternative classification for the thrushes
  14908. Turdus
    type genus of the Turdidae
  14909. Turkestan Desert
    a desert in Turkmenistan to the south of the Aral Sea
  14910. Turkish Hizballah
    an ethnic Kurdish group of Sunni extremists formed in the late 1980s in southeastern Turkey; seeks to replace Turkey's secular regime with an Islamic state and strict shariah law; responsible for bombings and the torture and murder of Turkish and Kurdish journalists and businessmen; receives support from Iran
  14911. Turnicidae
    small Old World birds resembling but not related to true quail
  14912. Turnix
    type genus of the Turnicidae: button quail
  14913. turnout
    attendance for a particular event or purpose
  14914. turnverein
    a club of tumblers or gymnasts
  14915. Turritis
    closely related to and often included in genus Arabis
  14916. Tursiops
    a genus of Delphinidae
  14917. Tussilago
    genus of low creeping yellow-flowered perennial herbs of north temperate regions: coltsfoots; in some classifications includes species often placed in other genera especially Homogyne and Petasites
  14918. tussock
    a bunch of hair, feathers, or growing grass
  14919. TV audience
    the audience reached by television
  14920. Tweedledee and Tweedledum
    any two people who are hard to tell apart
  14921. Tweedledum and Tweedledee
    any two people who are hard to tell apart
  14922. Twelve Tribes of Israel
    twelve kin groups of ancient Israel each traditionally descended from one of the twelve sons of Jacob
  14923. twosome
    a pair who associate with one another
  14924. Tylenchidae
    a family of Nematoda
  14925. Tylenchus
    type genus of the family Tylenchidae
  14926. Tympanuchus
    prairie chickens
  14927. type
    a subdivision of a particular kind of thing
  14928. type genus
    genus from which the name of a family or subfamily is formed
  14929. type species
    (biology) the species that best exemplifies the essential characteristics of the genus to which it belongs
  14930. Typha
    reed maces; cattails
  14931. Typhaceae
    perennial marsh plants with creeping rootstocks and long linear leaves
  14932. Typhlopidae
    blind snakes
  14933. typing pool
    a group of typists who can work for different persons
  14934. Tyranni
    New World flycatchers; antbirds; oven birds; woodhewers
  14935. Tyrannidae
    New World tyrant flycatchers most numerous in Central America and South America but also in the United States and Canada
  14936. Tyrannus
    type genus of the Tyrannidae: tyrant flycatchers
  14937. tyranny
    government in which the ruler is an absolute dictator
  14938. Tyto
    type and only genus of the family Tytonidae
  14939. Tytonidae
    comprising only the barn owls
  14940. U. S. Air Force
    the airforce of the United States of America
  14941. U. S. Army
    the army of the United States of America
  14942. U. S. Army Special Forces
    a division of the United States Army that is specially trained for guerilla fighting
  14943. U. S. Coast Guard
    an agency of the Department of Transportation responsible for patrolling shores and facilitating nautical commerce
  14944. U.S.
    North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
  14945. U.S. Army Criminal Investigation Laboratory
    a defense laboratory of the Criminal Investigation Command
  14946. U.S. Congress
    the legislature of the United States government
  14947. U.S. government
    the executive and legislative and judicial branches of the federal government of the United States
  14948. U.S. House
    the lower legislative house of the United States Congress
  14949. U.S. House of Representatives
    the lower legislative house of the United States Congress
  14950. U.S. Senate
    the upper house of the United States Congress
  14951. Uca
    fiddler crabs
  14952. UDA
    the major Protestant paramilitary group in Northern Ireland
  14953. Uintatheriidae
    an extinct family of Dinocerata
  14954. Uintatherium
    type genus of the Uintatheriidae
  14955. UK
    a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom
  14956. ulama
    the body of Mullahs (Muslim scholars trained in Islam and Islamic law) who are the interpreters of Islam's sciences and doctrines and laws and the chief guarantors of continuity in the spiritual and intellectual history of the Islamic community
  14957. ulema
    the body of Mullahs (Muslim scholars trained in Islam and Islamic law) who are the interpreters of Islam's sciences and doctrines and laws and the chief guarantors of continuity in the spiritual and intellectual history of the Islamic community
  14958. Ulex
    genus of Eurasian spiny shrubs: gorse
  14959. Ulmaceae
    a dicot family of the order Urticales including: genera Ulmus, Celtis, Planera, Trema
  14960. Ulmus
    type genus of family Ulmaceae
  14961. Ulster Defence Association
    the major Protestant paramilitary group in Northern Ireland
  14962. ultraviolet spectrum
    the spectrum of ultraviolet radiation
  14963. Ulva
    type genus of the family Ulvaceae
  14964. Ulvaceae
    thin flat or tubular green algae
  14965. Ulvales
    an order of protoctist
  14966. Ulvophyceae
    alternative name for the class Chlorophyceae in some classifications
  14967. Uma
    a benevolent aspect of Devi; `splendor'
  14968. Umar al-Mukhtar Forces
    a little known Palestinian group responsible for bombings and for killing Israelis; seeks to defeat Israel and liberate southern Lebanon, Palestine, and Golan Heights
  14969. Umayyad
    the first dynasty of Arab caliphs whose capital was Damascus
  14970. Umbellales
    plants having umbels or corymbs of uniovulate flowers
  14971. Umbelliferae
    plants having flowers in umbels: parsley
  14972. Umbellularia
    aromatic evergreen trees of Pacific coast
  14973. Umbrina
    croakers
  14974. Umma
    the Muslim community or people, considered to extend from Mauritania to Pakistan
  14975. Umma Tameer-e-Nau
    a nongovernmental organization of Pakistani scientists that has been a supporter of terrorism; has provided information about chemical and biological and nuclear warfare to Osama bin Laden and al-Qaeda and the Taliban
  14976. Ummah
    the Muslim community or people, considered to extend from Mauritania to Pakistan
  14977. UN
    an organization of independent states formed in 1945 to promote international peace and security
  14978. UN agency
    an agency of the United Nations
  14979. unconfessed
    not admitted
  14980. underbrush
    the brush growing beneath taller trees in a wood or forest
  14981. underclass
    the social class lowest in the social hierarchy
  14982. underground
    beneath the surface of the earth
  14983. undergrowth
    the brush beneath taller trees in a wood or forest
  14984. underperformer
    a student who does not perform as well as expected or as well as the IQ indicates
  14985. underwood
    the brush growing beneath taller trees in a wood or forest
  14986. underworld
    (religion) the place of the dead
  14987. underwriter
    an agent who sells insurance
  14988. unemployed
    not engaged in a paying work
  14989. unemployed people
    people who are involuntarily out of work
  14990. unemployment line
    a queue of people waiting for employment
  14991. UNESCO
    an agency of the United Nations that promotes education and communication and the arts
  14992. Uniat Church
    any of several churches in eastern Europe or the Middle East that acknowledge papal authority but retain their own liturgy
  14993. Uniate Church
    any of several churches in eastern Europe or the Middle East that acknowledge papal authority but retain their own liturgy
  14994. UNICEF
    an agency of the United Nations responsible for programs to aid education and the health of children and mothers in developing countries
  14995. Unification Church
    a Christian church (with some Buddhist elements) founded in 1954 by Sun Myung Moon and known for staging mass weddings and other communal activities
  14996. uninitiate
    not initiated; deficient in relevant experience
  14997. Unio
    type genus of the family Unionidae
  14998. union
    the state of being joined or united or linked
  14999. Union Army
    the northern army during the American Civil War
  15000. union shop
    a company allowed to hire nonunion workers on the condition that they will join the union within a specified time
  15001. Unionidae
    freshwater mussels found worldwide
  15002. unionism
    the system or principles and theory of labor unions
  15003. unit
    a single undivided whole
  15004. unit investment trust
    a regulated investment company consisting of professional managers who issue redeemable securities representing a portfolio of many different securities
  15005. unit matrix
    a scalar matrix in which all of the diagonal elements are unity
  15006. unit trust
    a regulated investment company consisting of professional managers who issue redeemable securities representing a portfolio of many different securities
  15007. Unitarian Church
    the Protestant denomination that rejects the doctrine of the Trinity
  15008. United Church of Christ
    merger of the Congregational Christian Church and the Evangelical and Reformed Church in 1957
  15009. United Front
    a multiethnic alliance in Afghanistan who practice a moderate form of Islam and are united in their opposition to the Taliban
  15010. United Methodist Church
    union of the Wesleyan Methodist Church and the Evangelical United Brethren Church
  15011. United Mine Workers
    an industrial union of mine workers in North America
  15012. United Mine Workers of America
    an industrial union of mine workers in North America
  15013. United Nations
    an organization of independent states formed in 1945 to promote international peace and security
  15014. United Nations agency
    an agency of the United Nations
  15015. United Nations Children's Fund
    an agency of the United Nations responsible for programs to aid education and the health of children and mothers in developing countries
  15016. United Nations Crime Prevention and Criminal Justice
    the United Nations office responsible for crime prevention and criminal justice and law reform
  15017. United Nations Educational Scientific and Cultural Organization
    an agency of the United Nations that promotes education and communication and the arts
  15018. United Nations International Children's Emergency Fund
    an agency of the United Nations responsible for programs to aid education and the health of children and mothers in developing countries
  15019. United Nations Office for Drug Control and Crime Prevention
    an agency of the United Nations that promotes drug control and crime prevention
  15020. United Nations Secretariat
    the administrative arm of the United Nations
  15021. United Self-Defense Force of Colombia
    a terrorist organization in Colombia formed in 1997 as an umbrella for local and regional paramilitary groups; is financed by earnings from narcotics and serves to protect the economic interests of its members
  15022. United Self-Defense Group of Colombia
    a terrorist organization in Colombia formed in 1997 as an umbrella for local and regional paramilitary groups; is financed by earnings from narcotics and serves to protect the economic interests of its members
  15023. United Society of Believers in Christ's Second Appearing
    a celibate and communistic Christian sect in the United States
  15024. United States
    North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
  15025. United States Air Force
    the airforce of the United States of America
  15026. United States Air Force Academy
    a school for training men and women to become officers in the United States Air Force
  15027. United States Army
    the army of the United States of America
  15028. United States Army Criminal Investigation Laboratory
    a defense laboratory of the Criminal Investigation Command
  15029. United States Army Rangers
    a specially trained elite unit of the United States Army
  15030. United States Army Special Forces
    a division of the United States Army that is specially trained for guerilla fighting
  15031. United States Border Patrol
    the mobile law enforcement arm of the Immigration and Naturalization Service that detects and prevents illegal entry of aliens into the United States
  15032. United States Cabinet
    a board to advise the President
  15033. United States Coast Guard
    an agency of the Department of Transportation responsible for patrolling shores and facilitating nautical commerce
  15034. United States Congress
    the legislature of the United States government
  15035. United States Department of Defense
    the federal department responsible for safeguarding national security of the United States; created in 1947
  15036. United States Department of State
    the federal department in the United States that sets and maintains foreign policies
  15037. United States Fish and Wildlife Service
    an agency in the Department of the Interior that conserves and protects fish and wildlife and their habitats; assesses the environmental impact of pesticides and nuclear power site and hydroelectric dams and thermal pollution
  15038. United States government
    the executive and legislative and judicial branches of the federal government of the United States
  15039. United States Government Accounting Office
    an independent nonpartisan federal agency that acts as the investigative arm of Congress making the executive branch accountable to Congress and the government accountable to citizens of the United States
  15040. United States Government Printing Office
    an agency of the legislative branch that provides printing and binding services for Congress and the departments and establishments of the federal government
  15041. United States House of Representatives
    the lower legislative house of the United States Congress
  15042. United States intelligence agency
    an intelligence service in the United States
  15043. United States Intelligence Community
    a group of government agencies and organizations that carry out intelligence activities for the United States government; headed by the Director of Central Intelligence
  15044. United States Marine Corps
    an amphibious division of the United States Navy
  15045. United States Marines
    an amphibious division of the United States Navy
  15046. United States Marshals Service
    the United States' oldest federal law enforcement agency is responsible today for protecting the Federal Judiciary and transporting federal prisoners and protecting federal witnesses and managing assets seized from criminals and generally ensuring the effective operation of the federal judicial system
  15047. United States Military Academy
    a school for training men and women to become officers in the United States Army
  15048. United States Naval Academy
    a school for training men and women to become officers in the United States Navy
  15049. United States Navy
    the navy of the United States of America
  15050. United States Post Office
    an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States
  15051. United States Postal Inspection Service
    the primary law enforcement arm of the United States Postal Service
  15052. United States Postal Service
    an independent federal agency that provides mail processing and delivery service for individuals and businesses in the United States
  15053. United States Public Health Service
    an agency that serves as the office of Surgeon General
  15054. United States Secret Service
    the U.S. intelligence agency that protects the President
  15055. United States Senate
    the upper house of the United States Congress
  15056. United States Supreme Court
    the highest federal court in the United States
  15057. United States Trade Representative
    the executive agency that administers the President's policies on international trade
  15058. United States Treasury
    the federal department that collects revenue and administers federal finances; the Treasury Department was created in 1789
  15059. universe
    everything that exists anywhere
  15060. university
    an institution of higher learning that grants degrees
  15061. upper class
    the class occupying the highest position in the social hierarchy
  15062. upper crust
    the class occupying the highest position in the social hierarchy
  15063. Upupa
    type genus of the Upupidae
  15064. Upupidae
    hoopoes
  15065. Uranoscopidae
    stargazers
  15066. uranyl
    the bivalent radical UO2 which forms salts with acids
  15067. uranyl group
    the bivalent radical UO2 which forms salts with acids
  15068. uranyl radical
    the bivalent radical UO2 which forms salts with acids
  15069. Uredinales
    rust fungi: parasitic fungi causing rust in plants
  15070. Urginea
    Mediterranean liliaceous plants
  15071. Uria
    murres
  15072. Urochorda
    tunicates
  15073. Urochordata
    tunicates
  15074. Urocyon
    grey foxes
  15075. Urocystis
    a genus of smut fungi belonging to the family Tilletiaceae
  15076. Urodella
    salamanders; newts; congo snakes
  15077. Urophycis
    hakes
  15078. Uropsilus
    shrew moles
  15079. Uropygi
    whip scorpions
  15080. Urosaurus
    a reptile genus of Iguanidae
  15081. Ursidae
    bears and extinct related forms
  15082. Ursus
    type genus of Ursidae: brown bears
  15083. Urtica
    a nettle yielding fiber resembling flax
  15084. Urticaceae
    a family of plants of order Urticales including many nettles with stinging hairs
  15085. Urticales
    an order of dicotyledonous plants including Moraceae and Urticaceae and Ulmaceae
  15086. US Air Force
    the airforce of the United States of America
  15087. US Air Force Academy
    a school for training men and women to become officers in the United States Air Force
  15088. US Army
    the army of the United States of America
  15089. US Army Criminal Investigation Laboratory
    a defense laboratory of the Criminal Investigation Command
  15090. US Border Patrol
    the mobile law enforcement arm of the Immigration and Naturalization Service that detects and prevents illegal entry of aliens into the United States
  15091. US Cabinet
    a board to advise the President
  15092. US Coast Guard
    an agency of the Department of Transportation responsible for patrolling shores and facilitating nautical commerce
  15093. US Congress
    the legislature of the United States government
  15094. US Fish and Wildlife Service
    an agency in the Department of the Interior that conserves and protects fish and wildlife and their habitats; assesses the environmental impact of pesticides and nuclear power site and hydroelectric dams and thermal pollution
  15095. US Government
    the executive and legislative and judicial branches of the federal government of the United States
  15096. US Government Printing Office
    an agency of the legislative branch that provides printing and binding services for Congress and the departments and establishments of the federal government
  15097. US House
    the lower legislative house of the United States Congress
  15098. US House of Representatives
    the lower legislative house of the United States Congress
  15099. US Marine Corps
    an amphibious division of the United States Navy
  15100. US Marshals Service
    the United States' oldest federal law enforcement agency is responsible today for protecting the Federal Judiciary and transporting federal prisoners and protecting federal witnesses and managing assets seized from criminals and generally ensuring the effective operation of the federal judicial system
  15101. US Military Academy
    a school for training men and women to become officers in the United States Army
  15102. US Naval Academy
    a school for training men and women to become officers in the United States Navy
  15103. US Navy
    the navy of the United States of America
  15104. US Post Office
    an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States
  15105. US Postal Inspection Service
    the primary law enforcement arm of the United States Postal Service
  15106. US Postal Service
    an independent federal agency that provides mail processing and delivery service for individuals and businesses in the United States
  15107. US Secret Service
    the U.S. intelligence agency that protects the President
  15108. US Senate
    the upper house of the United States Congress
  15109. US Trade Representative
    the executive agency that administers the President's policies on international trade
  15110. USA
    North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
  15111. USACIL
    a defense laboratory of the Criminal Investigation Command
  15112. USAF
    the airforce of the United States of America
  15113. USCB
    the agency of the Treasury Department that enforces import tariffs
  15114. USDA
    the federal department that administers programs that provide services to farmers (including research and soil conservation and efforts to stabilize the farming economy); created in 1862
  15115. USMC
    an amphibious division of the United States Navy
  15116. USN
    the navy of the United States of America
  15117. Usnea
    widely distributed lichens usually having a greyish or yellow pendulous freely branched thallus
  15118. Usneaceae
    fruticose lichens having prostrate or erect or pendulous thalli: genera Usnea, Evernia, Ramalina, Alectoria
  15119. USPS
    an independent federal agency that provides mail processing and delivery service for individuals and businesses in the United States
  15120. USSS
    the U.S. intelligence agency that protects the President
  15121. Ustilaginaceae
    a fungus family of loose smuts
  15122. Ustilaginales
    parasitic fungi causing smuts
  15123. Ustilaginoidea
    genus of imperfect fungi causing plant diseases like smut
  15124. Ustilago
    type genus of the Ustilaginaceae
  15125. Usuli
    a religious movement by Persian Shiite Muslims in 17th century Iran that is opposed to the Akhbari
  15126. Uta
    a reptile genus of Iguanidae
  15127. utility
    the quality of being of practical use
  15128. UTN
    a nongovernmental organization of Pakistani scientists that has been a supporter of terrorism; has provided information about chemical and biological and nuclear warfare to Osama bin Laden and al-Qaeda and the Taliban
  15129. Utricularia
    bladderworts: large genus of aquatic carnivorous plants
  15130. Uvularia
    genus of perennial rhizomatous herb of southern and southeastern United States
  15131. Uvulariaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae
  15132. VA
    a state in the eastern United States
  15133. Vaccaria
    cow-cockles
  15134. Vaccinium
    evergreen or deciduous berry-bearing shrubs of northern hemisphere: cranberries; blueberries
  15135. Vaishnavism
    worship of Vishnu one of the 3 chief gods of the Hindu pantheon
  15136. Vaisnavism
    worship of Vishnu one of the 3 chief gods of the Hindu pantheon
  15137. vaisya
    the third of the four varnas: the commoners or yeoman farmers or mercantile and professional category
  15138. valerian family
    genus of mostly herbs having a characteristic fetid odor
  15139. Valeriana
    genus of widely distributed perennial herbs and some shrubs
  15140. Valerianaceae
    genus of mostly herbs having a characteristic fetid odor
  15141. Valerianella
    genus of Old World annual herbs widely naturalized
  15142. Vallisneria
    eelgrass; eel grass
  15143. Valois
    French royal house from 1328 to 1589
  15144. van
    a closed railroad car that carries baggage or freight
  15145. Vanellus
    Eurasian lapwings
  15146. Vanessa
    painted beauty and red admiral
  15147. vanguard
    the leading units moving at the head of an army
  15148. Vanguards of Conquest
    an Islamic extremist group active since the late 1970s
  15149. Vangueria
    tropical African and Asiatic trees and shrubs having one-seeded fruit
  15150. var.
    (biology) a group of organisms within a species that differ in trivial ways from similar groups
  15151. Varanidae
    monitor lizards
  15152. Varanus
    type and sole extant genus of the Varanidae
  15153. variant
    something a little different from others of the same type
  15154. variety
    a category of things distinguished by a common quality
  15155. varna
    one of four traditional social divisions in Hindu society
  15156. varsity
    a team representing a high school, college, or university
  15157. Vatican Council
    each of two councils of the Roman Catholic Church
  15158. Vatican I
    the Vatican Council in 1869-1870 that proclaimed the infallibility of the pope when speaking ex cathedra
  15159. Vatican II
    the Vatican Council in 1962-1965 that abandoned the universal Latin liturgy and acknowledged ecumenism and made other reforms
  15160. Vaudois
    a Christian sect of dissenters that originated in southern France in the late 12th century adopted Calvinist doctrines in the 16th century
  15161. vegetation
    the process of growth in plants
  15162. vehicle traffic
    the aggregation of vehicles coming and going in a particular locality
  15163. vehicular traffic
    the aggregation of vehicles coming and going in a particular locality
  15164. veld
    elevated open grassland in southern Africa
  15165. veldt
    elevated open grassland in southern Africa
  15166. venation
    (botany) the arrangement of veins in a leaf
  15167. Veneridae
    hard-shell clams
  15168. venire
    a group of people summoned for jury service
  15169. venture capitalism
    capitalism that invests in innovative enterprises (especially high technology) where the potential profits are large
  15170. Venus
    the second nearest planet to the sun
  15171. Veratrum
    a genus of coarse poisonous perennial herbs
  15172. verb
    a word denoting an action, occurrence, or state of existence
  15173. verb phrase
    one of the two main constituents of a sentence
  15174. Verbascum
    genus of coarse herbs and subshrubs mostly with woolly leaves
  15175. verbena family
    family of New World tropical and subtropical herbs and shrubs and trees
  15176. Verbenaceae
    family of New World tropical and subtropical herbs and shrubs and trees
  15177. Verbesina
    herbs and shrubs of warm North America to Mexico
  15178. vernation
    (botany) the arrangement of young leaves in a leaf bud before it opens
  15179. Veronicastrum virginicum
    a tall perennial herb having spikes of small white or purple flowers; common in eastern North America
  15180. Vertebrata
    fishes; amphibians; reptiles; birds; mammals
  15181. vertical union
    a labor union that admits all workers in a given industry irrespective of their craft
  15182. vervain family
    family of New World tropical and subtropical herbs and shrubs and trees
  15183. Vesicaria
    small genus of chiefly Mediterranean herbs: bladderpods
  15184. Vespa
    type genus of the Vespidae: various hornets and yellow jackets
  15185. Vespertilio
    a genus of Vespertilionidae
  15186. Vespertilionidae
    the majority of common bats of temperate regions of the world
  15187. Vespidae
    an arthropod family of the order Hymenoptera including: yellow jackets; hornets; mason wasps
  15188. Vespula
    sometimes considered a subgenus of Vespa: social wasps
  15189. vested interest
    (law) an interest in which there is a fixed right to present or future enjoyment and that can be conveyed to another
  15190. vestry
    a room in a church where sacred vessels and vestments are kept or meetings are held
  15191. Veterans of Foreign Wars
    an organization of United States war veterans
  15192. veterinary school
    a school teaching veterinary medicine
  15193. VFW
    an organization of United States war veterans
  15194. Viburnum
    deciduous or evergreen shrubs or small trees: arrow-wood
  15195. vicariate
    the religious institution under the authority of a vicar
  15196. vicarship
    the religious institution under the authority of a vicar
  15197. vice squad
    a police group to enforce laws against gambling and prostitution
  15198. Vicia
    widely distributed genus of annual or perennial and often climbing herbs
  15199. Victoriana
    collection of materials of or characteristic of the Victorian era
  15200. Vicugna
    a genus of Camelidae
  15201. Vidua
    whydahs
  15202. Vienne
    a town in south central France where is 1311-1313 the Roman Catholic Church held one of its councils
  15203. viewers
    the audience reached by television
  15204. viewing audience
    the audience reached by television
  15205. vigilance committee
    a volunteer committee to maintain order where an efficient legal system does not exist
  15206. Vigna
    genus of vines or erect herbs having trifoliate leaves and yellowish or purplish flowers; of warm or tropical regions; most species often placed in genus Phaseolus
  15207. village
    a settlement smaller than a town
  15208. Viminaria
    one species: Australian leafless shrubs: swamp oak
  15209. Vinca
    periwinkles: low creeping evergreen perennials
  15210. Vincetoxicum
    genus of chiefly tropical American vines having cordate leaves and large purple or greenish cymose flowers; supposedly having powers as an antidote
  15211. vinyl
    shiny, tough, and flexible plastic
  15212. vinyl group
    a univalent chemical radical derived from ethylene
  15213. vinyl radical
    a univalent chemical radical derived from ethylene
  15214. Viola
    large genus of flowering herbs of temperate regions
  15215. Violaceae
    a family of order Parietales including the genera Viola, Hybanthus, Hymenanthera, Melicytus
  15216. violet family
    a family of order Parietales including the genera Viola, Hybanthus, Hymenanthera, Melicytus
  15217. violin family
    (music) the family of bowed stringed instruments
  15218. violin section
    the section of an orchestra that plays violins
  15219. Vipera
    type genus of the Viperidae
  15220. Viperidae
    Old World vipers
  15221. Vireonidae
    small insectivorous American songbirds
  15222. Virgilia
    genus of South African trees having pinnate leaves and rose-purple flowers followed by leathery pods
  15223. virgin forest
    forest or woodland having a mature or overly mature ecosystem more or less uninfluenced by human activity
  15224. Viscaceae
    in some classifications considered a subfamily of Loranthaceae
  15225. Viscum
    type genus of the Viscaceae: Old World evergreen shrubs parasitic on many trees including oaks but especially apple trees, poplars, aspens and cottonwoods
  15226. visible spectrum
    the distribution of colors produced when light is dispersed by a prism
  15227. visit
    the act of going to see some person or place or thing for a short time
  15228. Vitaceae
    a family of vines belonging to order Rhamnales
  15229. Vitidaceae
    a family of vines belonging to order Rhamnales
  15230. Vitis
    the type genus of the family Vitaceae
  15231. Vittaria
    tropical epiphytic ferns with straplike fronds
  15232. Vittariaceae
    one of a number of families into which Polypodiaceae has been subdivided in some classification systems: genus Vittaria
  15233. Viverra
    type genus of the family Viverridae
  15234. Viverricula
    a genus of Viverridae
  15235. Viverridae
    genets; civets; mongooses
  15236. Viverrinae
    genets; civets; mongooses
  15237. vocalism
    the sound made by the vibration of vocal folds modified by the resonance of the vocal tract
  15238. vocation
    the particular occupation for which you are trained
  15239. vocational school
    a secondary school teaching the skilled trades
  15240. vocative
    relating to a case used in some languages
  15241. vocative case
    the case (in some inflected languages) used when the referent of the noun is being addressed
  15242. Volvaria
    agarics having pink spores and a distinct volva
  15243. Volvariaceae
    a family of fungi belonging to the order Agaricales
  15244. Volvariella
    an important genus of mushrooms in the Orient
  15245. Volvocaceae
    unicellular or colonial biflagellate free-swimming flagellates
  15246. Volvocales
    chiefly freshwater green algae; solitary or colonial
  15247. Volvox
    type genus of the Volvocaceae
  15248. Vombatidae
    wombats
  15249. voodoo
    (Haiti) followers of a religion that involves witchcraft and animistic deities
  15250. vote
    a choice made by counting people in favor of alternatives
  15251. vowel system
    the system of vowels used in a particular language
  15252. Vulpes
    foxes
  15253. Vultur
    a bird that is usually restricted to the Andean condor
  15254. WAC
    a women's army corps that was organized in World War II but is no longer a separate branch of the United States Army
  15255. wagon train
    a procession traveling together in single file
  15256. waiting line
    a line of people or vehicles waiting for something
  15257. Waldenses
    a Christian sect of dissenters that originated in southern France in the late 12th century adopted Calvinist doctrines in the 16th century
  15258. Wall Street
    a street in lower Manhattan where the New York Stock Exchange is located; symbol of American finance
  15259. Walloons
    an ethnic group speaking a dialect of French and living in southern and eastern Belgium and neighboring parts of France
  15260. walnut family
    trees having usually edible nuts: butternuts
  15261. wampum
    small cylindrical beads made from polished shells and fashioned into strings or belts; used by certain Native American peoples as jewelry or currency
  15262. wampumpeag
    small cylindrical beads made from polished shells and fashioned into strings or belts; used by certain Native American peoples as jewelry or currency
  15263. War Department
    a former executive department of the United States government; created in 1789 and combined with the Navy Department in 1947
  15264. war machine
    the military forces of a nation
  15265. war party
    a band of warriors who raid or fight an enemy
  15266. wardrobe
    a piece of furniture that provides storage space for clothes
  15267. warren
    a colony of rabbits
  15268. Washington
    1st President of the United States
  15269. water company
    a public utility that provides water
  15270. water system
    a river and all of its tributaries
  15271. water-lily family
    dicot aquatic plants
  15272. water-milfoil family
    a family of dicotyledonous plants of the order Myrtales
  15273. water-plantain family
    perennial or annual aquatic or marsh plants
  15274. water-shield family
    in some classifications considered an independent family of water lilies; comprises the genera Cabomba and Brasenia
  15275. waterleaf family
    perennial woodland herbs
  15276. waterworks
    a public utility that provides water
  15277. wave train
    a succession of waves spaced at regular intervals
  15278. waveband
    a band of adjacent radio frequencies
  15279. wax-myrtle family
    constituting the order Myricales
  15280. Ways and Means Committee
    a permanent committee of the United States House of Representatives that makes recommendations to the US House on all bills that would raise revenue
  15281. weather bureau
    an administrative unit responsible for gathering and interpreting meteorological data for weather study and forecasts
  15282. web
    an intricate network suggesting something that was formed by weaving or interweaving
  15283. wedding
    the act of marrying; the nuptial ceremony
  15284. wedding party
    a party of people at a wedding
  15285. wedding reception
    a reception for wedding guests held after the wedding
  15286. Wei
    any of several imperial dynasties of China ruling from 220 to 265 and from 386 to 556
  15287. Wei dynasty
    any of several imperial dynasties of China ruling from 220 to 265 and from 386 to 556
  15288. Weimar Republic
    the German republic founded at Weimar in 1919
  15289. welcoming committee
    a committee to welcome new residents to a community
  15290. welfare state
    a government that undertakes responsibility for the welfare of its citizens through programs in public health and public housing and pensions and unemployment compensation etc.
  15291. Welwitschiaceae
    in some classifications included in the Gnetaceae
  15292. Wesleyan Methodist Church
    the original Methodist Church
  15293. Wesleyan Methodists
    the original Methodist Church
  15294. Western Church
    the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy
  15295. Western civilization
    the modern culture of western Europe and North America
  15296. Western culture
    the modern culture of western Europe and North America
  15297. Whig Party
    a former political party in the United States
  15298. White House
    the government building that serves as the residence and office of the President of the United States
  15299. white knight
    a company that is a friendly acquirer in a takeover
  15300. White people
    a light-skinned race
  15301. White race
    a light-skinned race
  15302. white seabass
    a species of large perch noted for its sporting and eating qualities; lives in marine, estuary, and freshwater habitats
  15303. white separatism
    a social system in which white people live separately from members of other races
  15304. white slime mushroom
    a type of slime mushroom
  15305. white squire
    a white knight that buys less than a majority interest
  15306. white-alder family
    coextensive with the genus Clethra
  15307. Whitehall
    a wide street in London stretching from Trafalgar Square to the Houses of Parliament; site of many government offices
  15308. whitlowwort
    any of various low-growing tufted plants of the genus Paronychia having tiny greenish flowers and usually whorled leaves; widespread throughout warm regions of both Old and New Worlds; formerly thought to cure whitlows (suppurative infections around a fingernail)
  15309. WHO
    a United Nations agency to coordinate international health activities and to help governments improve health services
  15310. whorlywort
    a tall perennial herb having spikes of small white or purple flowers; common in eastern North America
  15311. Wicca
    the polytheistic nature religion of modern witchcraft whose central deity is a mother goddess; claims origins in pre-Christian pagan religions of western Europe
  15312. Wilderness
    a wooded region in northeastern Virginia near Spotsylvania where bloody but inconclusive battles were fought in the American Civil War
  15313. William and Mary
    joint monarchs of England; William III and Mary II
  15314. willow family
    two genera of trees or shrubs having hairy catkins: Salix
  15315. Winchester College
    the oldest English public school; located in Winchester
  15316. Windsor
    the British royal family since 1917
  15317. wine tasting
    a gathering of people to taste and compare different wines
  15318. wing
    a movable organ for flying (one of a pair)
  15319. winning streak
    a streak of wins
  15320. winter's bark family
    small family of chiefly tropical shrubs and trees of genera Drimys and Pseudowintera; sometimes included in Magnoliaceae
  15321. Wintera
    evergreen shrubs or small trees of Australia and New Zealand
  15322. Winteraceae
    small family of chiefly tropical shrubs and trees of genera Drimys and Pseudowintera; sometimes included in Magnoliaceae
  15323. wintergreen family
    evergreen herbs of temperate regions: genera Pyrola, Chimaphila, Moneses, Orthilia
  15324. wire service
    an agency to collects news reports for newspapers and distributes it electronically
  15325. Wise Men
    (New Testament) the sages who visited Jesus and Mary and Joseph shortly after Jesus was born; the Gospel According to Matthew says they were guided by a star and brought gifts of gold and frankincense and myrrh; because there were three gifts it is usually assumed that there were three of them
  15326. wisp
    a thin tuft, piece, or amount of something
  15327. witch broom
    an abnormal tufted growth of small branches on a tree or shrub caused by fungi or insects or other physiological disturbance
  15328. witch's brew
    a fearsome mixture
  15329. witch-hazel family
    comprises genera Hamamelis, Corylopsis, Fothergilla, Liquidambar, Parrotia, and other small genera
  15330. witches' brew
    a fearsome mixture
  15331. witches' broom
    an abnormal tufted growth of small branches on a tree or shrub caused by fungi or insects or other physiological disturbance
  15332. witches' broth
    a fearsome mixture
  15333. witches' Sabbath
    a midnight meeting of witches to practice witchcraft and sorcery; in the Middle Ages it was supposed to be a demonic orgy
  15334. WMO
    the United Nations agency concerned with the international collection of meteorological data
  15335. wolf pack
    a group of wolves hunting together
  15336. Wolffia
    minute rootless aquatic herbs having globular fronds floating on or near the water surface and bearing one flower per frond
  15337. Wolffiella
    minute rootless aquatic herbs having flat fronds floating on or below the water surface and bearing 1-2 flowers per frond; America and Africa
  15338. woman
    an adult female person
  15339. womanhood
    the state of being an adult woman
  15340. womankind
    women as distinguished from men
  15341. Women's Army Corps
    an army corps that was organized in World War II but is no longer a separate branch of the United States Army
  15342. wood
    the hard fibrous lignified substance under the bark of trees
  15343. wood-sorrel family
    a family of widely distributed herbs of the order Geraniales
  15344. woodland
    land that is covered with trees and shrubs
  15345. woodpile
    a pile or stack of wood to be used for fuel
  15346. woods
    the trees and other plants in a large densely wooded area
  15347. Woodwardia
    in some classification systems placed in family Polypodiaceae: chain ferns
  15348. woodwind family
    (music) the family of woodwind instruments
  15349. word class
    one of the traditional categories of words intended to reflect their functions in a grammatical context
  15350. word order
    the order of words in a text
  15351. word string
    a linear sequence of words as spoken or written
  15352. work force
    the force of workers available
  15353. work party
    an organized group of workmen
  15354. workforce
    the people employed or available for employment
  15355. working class
    a social class comprising those who do manual labor or work for wages
  15356. working group
    a group of people working together temporarily until some goal is achieved
  15357. working party
    a group of people working together temporarily until some goal is achieved
  15358. works council
    (chiefly Brit) a council representing employer and employees of a plant or business to discuss working conditions etc; also: a committee representing the workers elected to negotiate with management about grievances and wages etc
  15359. world
    the 3rd planet from the sun; the planet we live on
  15360. World Bank
    a United Nations agency created to assist developing nations by loans guaranteed by member governments
  15361. world council
    a council with representatives from different nations
  15362. World Council of Churches
    an ecumenical organization of Protestant and eastern churches; intended to promote unity and cooperation in religious and secular matters
  15363. World Court
    a court established to settle disputes between members of the United Nations
  15364. World Health Organization
    a United Nations agency to coordinate international health activities and to help governments improve health services
  15365. World Meteorological Organization
    the United Nations agency concerned with the international collection of meteorological data
  15366. world organisation
    an international alliance involving many different countries
  15367. world organization
    an international alliance involving many different countries
  15368. world power
    a state powerful enough to influence events throughout the world
  15369. World Tamil Association
    a terrorist organization in Sri Lanka that began in 1970 as a student protest over the limited university access for Tamil students; currently seeks to establish an independent Tamil state called Eelam; relies on guerilla strategy including terrorist tactics that target key government and military personnel
  15370. World Tamil Movement
    a terrorist organization in Sri Lanka that began in 1970 as a student protest over the limited university access for Tamil students; currently seeks to establish an independent Tamil state called Eelam; relies on guerilla strategy including terrorist tactics that target key government and military personnel
  15371. World Trade Organization
    an international organization based in Geneva that monitors and enforces rules governing global trade
  15372. worm family
    a family of worms
  15373. worm genus
    a genus of worms
  15374. wounded
    suffering from physical injury especially that suffered in battle
  15375. wreath
    a circular band of flowers or other foliage
  15376. WTO
    an international organization based in Geneva that monitors and enforces rules governing global trade
  15377. Wynnea
    a genus of fungi belonging to the family Sarcoscyphaceae
  15378. X-linked gene
    a gene located on an X chromosome
  15379. Xanthium
    coarse herbs having small heads of greenish flowers followed by burrs with hooked bristles
  15380. Xanthomonas
    a genus of bacteria similar to Pseudomonas but producing a yellow pigment that is not soluble in water
  15381. Xanthophyceae
    yellow-green algae
  15382. Xanthorrhoeaceae
    one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
  15383. Xanthorroea
    grass trees; sometimes placed in family Xanthorrhoeaceae
  15384. Xanthosoma
    tropical American tuberous perennials
  15385. Xantusiidae
    night lizards
  15386. Xenarthra
    armadillos; American anteaters; sloths
  15387. Xenicidae
    alternative names for the family comprising the New Zealand wrens
  15388. Xenicus
    type genus for the Xenicidae
  15389. Xenopodidae
    in some classifications the family of the genus Xenopus which is otherwise included in the family Pipidae
  15390. Xenopus
    an African clawed frog
  15391. Xenorhyncus
    East Indian and Australian storks
  15392. Xenosauridae
    monotypic family of Mexican lizards
  15393. Xenosaurus
    type and sole genus of Xenosauridae: slender-bodied Mexican lizards having the upper surface covered with tiny granules and tubercles
  15394. Xerobates
    possible new genus for desert and Texas tortoises based on recent research
  15395. Xerophyllum
    small genus of North American herbs having grasslike basal leaves: squaw grass; sometimes placed in family Melanthiaceae
  15396. Xhosa
    a community of the Nguni people in South Africa
  15397. Xiphias
    type genus of the Xiphiidae
  15398. Xiphiidae
    comprising the common swordfishes
  15399. Xiphosura
    horseshoe crabs and extinct forms
  15400. Xylaria
    type genus of Xylariaceae
  15401. Xylariaceae
    family of fungi characterized by dark brown to black spores
  15402. Xylocopa
    carpenter bees
  15403. Xylomelum
    small species of Australian trees or shrubs
  15404. Xylopia
    tropical evergreen trees or shrubs; chiefly African
  15405. Xyphophorus
    swordtails
  15406. Xyridaceae
    plants of tropical to temperate regions
  15407. Xyridales
    an order of monocotyledonous herbs
  15408. Xyris
    chiefly American marsh plants, having usually yellow flowers
  15409. Y-linked gene
    a gene located on a Y chromosome
  15410. yacht club
    club that promotes and supports yachting and boating
  15411. yakuza
    organized crime in Japan
  15412. Yalta Conference
    a conference held in Yalta in February 1945 where Roosevelt, Stalin, and Churchill planned the final stages of World War II and agreed to the territorial division of Europe
  15413. yam family
    yams
  15414. year
    the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun
  15415. Yellow race
    an Asian race
  15416. yellow-eyed grass family
    plants of tropical to temperate regions
  15417. yeomanry
    class of small freeholders who cultivated their own land
  15418. yes-no question
    a question that can be answered by yes or no
  15419. yeshiva
    an academy for the advanced study of Jewish texts
  15420. yeshivah
    an academy for the advanced study of Jewish texts
  15421. yew family
    sometimes classified as member of order Taxales
  15422. yoke
    a wooden frame across the shoulders for carrying buckets
  15423. York
    the English royal house that reigned from 1461 to 1485
  15424. young
    any immature animal
  15425. youth
    a person who is not yet old
  15426. youth culture
    young adults considered as a cultural class or subculture
  15427. youth gang
    a gang whose members are teenagers
  15428. youth subculture
    a minority youth culture whose distinctiveness depended largely on the social class and ethnic background of its members; often characterized by its adoption of a particular music genre
  15429. Yuan
    the imperial dynasty of China from 1279 to 1368
  15430. Yuan dynasty
    the imperial dynasty of China from 1279 to 1368
  15431. Zaglossus
    a genus of Tachyglossidae
  15432. Zalophus
    sea lions
  15433. zamia family
    a family of cycads often included in the family Cycadaceae: zamias
  15434. Zamiaceae
    a family of cycads often included in the family Cycadaceae: zamias
  15435. Zannichellia
    horned pondweed: completely submerged herbs
  15436. Zannichelliaceae
    alternative classification for some genera included in Potamogetonaceae; one species
  15437. Zantedeschia
    calla lily
  15438. Zanthoxylum
    deciduous or evergreen trees or shrubs: prickly ash
  15439. Zapodidae
    jumping mice
  15440. Zapus
    type genus of the Zapodidae
  15441. Zea
    corn
  15442. zebrawood family
    mostly tropical climbing shrubs or small trees
  15443. Zeidae
    a family of fish in the order Zeomorphi
  15444. Zen
    school of Mahayana Buddhism asserting that enlightenment can come through meditation and intuition rather than faith; China and Japan
  15445. Zen Buddhism
    school of Mahayana Buddhism asserting that enlightenment can come through meditation and intuition rather than faith; China and Japan
  15446. Zenaidura
    mourning doves
  15447. Zeomorphi
    dories
  15448. Zeus
    the supreme god of ancient Greek mythology
  15449. Zhou
    the imperial dynasty of China from 1122 to 221 BC
  15450. Zhou dynasty
    the imperial dynasty of China from 1122 to 221 BC
  15451. Zigadenus
    genus of mostly North American poisonous plants
  15452. Zingiber
    tropical Asiatic and Polynesian perennial plants: ginger
  15453. Zingiberaceae
    a family of tropical monocotyledonous plants of order Musales
  15454. Zionism
    a policy for establishing and developing a national homeland for Jews in Palestine
  15455. Zionist movement
    a movement of world Jewry that arose late in the 19th century with the aim of creating a Jewish state in Palestine
  15456. Ziphiidae
    beaked whales
  15457. Zizania
    wild rice
  15458. Ziziphus
    spiny chiefly tropical American and Asiatic shrubs: jujubes
  15459. Zoarces
    type genus of the Zoarcidae
  15460. Zoarcidae
    eelpouts
  15461. Zoisia
    lawn grasses native to southeastern Asia and New Zealand
  15462. zoning board
    a board of officials who divide an area into zones that are subject to different restrictions
  15463. zoning commission
    a commission delegated to supervise the zoning of areas for residential or commercial use
  15464. Zonotrichia
    large New World sparrows
  15465. zoology
    the branch of biology that studies animals
  15466. Zoomastigina
    in some classifications considered a phylum of the kingdom Protista; holozoic or saprozoic flagellates
  15467. Zostera
    small genus of widely distributed marine plants
  15468. Zosteraceae
    used in some classifications: essentially equivalent to Potamogetonaceae
  15469. Zulu
    a member of an eastern South African community
  15470. Zurvanism
    a Zoroastrian sect that claims Zurvan was the ultimate source of the universe
  15471. Zygnema
    type genus of the family Zygnemataceae
  15472. Zygnemales
    pond scums; desmids
  15473. Zygnemataceae
    pond scums: common freshwater algae forming green slimy masses
  15474. Zygnematales
    pond scums; desmids
  15475. Zygocactus
    small genus of Brazilian cacti having flat fleshy usually branched joints and showy red or pink flowers followed by red fleshy fruits
  15476. Zygomycetes
    class of fungi coextensive with subdivision Zygomycota
  15477. Zygomycota
    division of fungi having sexually produced zygospores
  15478. Zygomycotina
    division of fungi having sexually produced zygospores
  15479. Zygophyllaceae
    small trees, shrubs, and herbs of warm arid and saline regions; often resinous; some poisonous: genera Zygophyllum, Tribulus, Guaiacum, Larrea
  15480. Zygophyllum
    usually tropical herbs or shrubs having ill-smelling foliage and flower buds that are used as capers: bean capers
  15481. Zygoptera
    damselflies
Created on Thu Aug 04 19:24:39 EDT 2011

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