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-or

Words ending in -or
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  1. abator
    a person who abates a nuisance
  2. abbreviator
    one who shortens or abridges or condenses a written work
  3. abdicator
    one who formally relinquishes an office or responsibility
  4. abductor
    a muscle that draws a body part away from the median line
  5. abettor
    one who helps, encourages, incites another
  6. abhor
    feel hatred or disgust toward
  7. abnegator
    one who gives up or relinquishes or renounces something
  8. abominator
    one who hates or loathes
  9. absorption factor
    (physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body
  10. abstractor
    one who makes abstracts or summarizes information
  11. accelerator
    a pedal that controls the throttle valve
  12. accentor
    small sparrow-like songbird of mountainous regions of Eurasia
  13. acceptor
    the person (or institution) who accepts a check or draft and becomes responsible for paying the party named in the draft when it matures
  14. accommodator
    someone who performs a service or does a favor
  15. accumulator
    a voltaic battery that stores electric charge
  16. ACE inhibitor
    an antihypertensive drug that blocks the formation of angiotensin II in the kidney, leading to relaxation of the arteries; promotes the excretion of salt and water by inhibiting the activity of the angiotensin converting enzyme; also used to treat congestive heart failure
  17. activator
    any agency bringing about activation
  18. actor
    a performer in theater, television, or film
  19. actuator
    a mechanism that puts something into automatic action
  20. adaptor
    device that enables something to be used in a way different from that for which it was intended or makes different pieces of apparatus compatible
  21. adductor
    a muscle that draws a body part toward the median line
  22. adjudicator
    a person who studies and settles conflicts and disputes
  23. adjustor
    one who investigates insurance claims or claims for damages and recommends an effective settlement
  24. administrator
    someone who manages a government agency or department
  25. adulator
    a person who uses flattery
  26. adulterator
    any substance that lessens the purity or effectiveness of a substance
  27. advisor
    an expert who gives guidance
  28. advocator
    a person who pleads for a cause or propounds an idea
  29. aerator
    an apparatus for exposing something to the air (as sewage)
  30. aerogenerator
    generator that extracts usable energy from winds
  31. agglomerator
    a device that causes material to gather into rounded balls
  32. aggravator
    an unpleasant person who is annoying or exasperating
  33. aggressor
    someone who attacks
  34. agitator
    a political troublemaker
  35. alienor
    someone from whom the title of property is transferred
  36. alleviator
    a therapist who makes suffering more endurable
  37. alligator
    an amphibious reptile related to crocodiles
  38. alligator clip
    a clip with a spring that closes the metal jaws
  39. alligator lizard
    slim short-limbed lizard having a distinctive fold on each side that permits expansion; of western North America
  40. alligator pear
    a pear-shaped tropical fruit with green or blackish skin and rich yellowish pulp enclosing a single large seed
  41. alligator snapper
    large species having three ridges on its back
  42. alligator weed
    prolific South American aquatic weed having grasslike leaves and short spikes of white flowers; clogs waterways with dense floating masses
  43. alligator wrench
    a wrench with a v-shaped jaw and serrations on one side
  44. alliterator
    a speaker or writer who makes use of alliteration
  45. allocator
    a person with authority to allot or deal out or apportion
  46. alpha receptor
    receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasoconstriction and relaxation of intestinal muscles and contraction of smooth muscles)
  47. alternator
    a device that converts mechanical energy into electric energy (especially in cars)
  48. amalgamator
    a businessman who arranges an amalgamation of two or more commercial companies
  49. ambassador
    a diplomat of the highest rank
  50. American alligator
    large alligator of the southeastern United States
  51. Amor
    (Roman mythology) god of love; counterpart of Greek Eros
  52. amputator
    a surgeon who removes part or all of a limb
  53. ancestor
    someone from whom you are descended
  54. anchor
    a mechanical device that prevents a vessel from moving
  55. anchor light
    a light in the rigging of a ship that is riding at anchor
  56. anchor ring
    a toroidal shape
  57. angiotensin-converting enzyme inhibitor
    an antihypertensive drug that blocks the formation of angiotensin II in the kidney, leading to relaxation of the arteries; promotes the excretion of salt and water by inhibiting the activity of the angiotensin converting enzyme; also used to treat congestive heart failure
  58. animator
    someone who imparts energy and vitality and spirit to others
  59. annihilator
    a total destroyer
  60. annotator
    a commentator who writes notes to a text
  61. annunciator
    an indicator that announces which electrical circuit has been active (as on a telephone switchboard)
  62. anterior
    of or near the head end or toward the front plane of a body
  63. anterior crural nerve
    one of a pair of nerves that originate from lumbar nerves and supply the muscles and skin of the anterior part of the thigh
  64. anterior horn
    one of two the two roots of a spinal nerve that passes ventrally from the spinal cord and that consists of motor fibers
  65. anti-torque rotor
    rotor consisting of a rotating airfoil on the tail of a single-rotor helicopter; keeps the helicopter from spinning in the direction opposite to the rotation of the main rotor
  66. anticipator
    one who anticipates
  67. antihemophilic factor
    a coagulation factor (trade name Hemofil) whose absence is associated with hemophilia A
  68. antipernicious anemia factor
    a B vitamin that is used to treat pernicious anemia
  69. antitumor
    used in the treatment of cancer
  70. applicator
    a device for applying a substance
  71. appreciator
    a person who is fully aware of something and understands it
  72. appropriator
    someone who takes for his or her own use
  73. aqueous humor
    the limpid fluid within the eyeball between the cornea and the lens
  74. arbitrator
    someone chosen to judge and decide a disputed issue
  75. arbor
    a framework that supports climbing plants
  76. Arbor Day
    a day designated for planting trees
  77. ardor
    feelings of great warmth and intensity
  78. armor
    protective covering made of metal and used in combat
  79. armor-bearer
    a squire carrying the armor of a knight
  80. armor-clad
    covered with heavy steel
  81. armor-plated
    covered with heavy steel
  82. art director
    the director in charge of the artistic features of a theatrical production (costumes and scenery and lighting)
  83. art editor
    an editor who is responsible for illustrations and layouts in printed matter
  84. articulator
    a movable speech organ
  85. asphyxiator
    a manually operated device for extinguishing small fires
  86. aspirator
    a pump that draws air or another gas through a liquid
  87. assessor
    an official who evaluates property in order to tax it
  88. assignor
    (law) the party who makes an assignment
  89. assimilator
    someone who learns or takes up knowledge or beliefs
  90. assistant professor
    a teacher or lower rank than an associate professor
  91. associate professor
    a teacher lower in rank than a full professor but higher than an assistant professor
  92. astrogator
    the navigator of a spacecraft
  93. athanor
    a furnace that feeds itself so as to maintain a uniform temperature; used by alchemists
  94. attenuator
    an electrical device for attenuating the strength of an electrical signal
  95. attestator
    (law) a person who attests to the genuineness of a document or signature by adding their own signature
  96. attestor
    (law) a person who attests to the genuineness of a document or signature by adding their own signature
  97. attractor
    a characteristic that provides pleasure and attracts
  98. auditor
    a qualified accountant who inspects accounting records
  99. authenticator
    one who determines authenticity or who guarantees validity
  100. author
    a person who writes professionally
  101. aviator
    someone who operates an aircraft
  102. bachelor
    a man who has never been married
  103. Bachelor of Arts
    a bachelor's degree in arts and sciences
  104. Bachelor of Science
    a bachelor's degree in science
  105. bachelor's button
    an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers
  106. back door
    an entrance at the rear of a building
  107. backdoor
    an entrance at the rear of a building
  108. bailor
    the person who delivers personal property (goods or money) in trust to the bailee in a bailment
  109. Bangor
    a town in east central Maine on the Penobscot River
  110. barn door
    the large sliding door of a barn
  111. barndoor skate
    one of the largest skates ; an active skate easy to hook
  112. baroreceptor
    a sensory receptor that responds to pressure
  113. barrator
    someone guilty of barratry
  114. basic color
    a dye that is considered to be a base because the chromophore is part of a positive ion
  115. beauty parlor
    a shop where hairdressers and beauticians work
  116. beggar-my-neighbor
    a card game for two players in which the object is to win all of the other player's cards
  117. behavior
    the way a person acts toward other people
  118. behavior modification
    psychotherapy that seeks to extinguish or inhibit abnormal or maladaptive behavior by reinforcing desired behavior and extinguishing undesired behavior
  119. belabor
    beat soundly
  120. benefactor
    a person who helps people or institutions
  121. beta receptor
    receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)
  122. beta-adrenergic receptor
    receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)
  123. bettor
    someone who bets
  124. bicolor
    having two colors
  125. bicolor lespediza
    Asian shrub having conspicuous racemose rose-purple flowers widely used as an ornamental and in erosion control and as a source of feed for wild birds
  126. billiard parlor
    a room in which billiards is played
  127. black humor
    the juxtaposition of morbid and farcical elements (in writing or drama) to give a disturbing effect
  128. blackamoor
    a person with dark skin who comes from Africa
  129. bleach liquor
    a solution containing bleaching agents that is used to bleach textiles or paper pulp
  130. blood donor
    someone who gives blood to be used for transfusions
  131. boa constrictor
    very large boa of tropical America and West Indies
  132. body odor
    malodorousness resulting from a failure to bathe
  133. boor
    a crude uncouth ill-bred person lacking refinement
  134. breeder reactor
    a nuclear reactor that produces more fissile material than it burns
  135. bronchodilator
    a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs
  136. C major
    (music) the major scale having no sharps or flats
  137. calculator
    a small machine that is used for mathematical calculations
  138. California condor
    North American condor; chiefly dull black; almost extinct
  139. call for
    express the need or desire for; ask for
  140. camphor
    a resin obtained from the camphor tree
  141. camphor ice
    a cerate made of camphor and wax and spermaceti and castor oil
  142. camphor oil
    oil distilled from camphor resin
  143. camphor tree
    large evergreen tree of warm regions whose aromatic wood yields camphor
  144. candor
    the quality of being honest and straightforward
  145. cantor
    the official of a synagogue who conducts the liturgical part of the service and sings or chants the prayers intended to be performed as solos
  146. capacitor
    an electrical device characterized by its capacity to store an electric charge
  147. captor
    a person who entraps and holds someone else
  148. carburetor
    the part of a combustion engine that mixes air with gasoline
  149. carburettor
    mixes air with gasoline vapor prior to explosion
  150. cast anchor
    secure a vessel with an anchor
  151. castor
    a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
  152. castor bean
    the toxic seed of the castor-oil plant; source of castor oil
  153. castor oil
    a purgative extracted from the seed of the castor-oil plant
  154. castor sugar
    very finely granulated sugar that was formerly sprinkled from a castor
  155. castor-oil plant
    large shrub of tropical Africa and Asia having large palmate leaves and spiny capsules containing seeds that are the source of castor oil and ricin; widely naturalized throughout the tropics
  156. caveat emptor
    the principle that the buyer takes on the risk of a purchase
  157. cavity resonator
    a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves
  158. celebrator
    a person who is celebrating
  159. celestial equator
    the great circle on the celestial sphere midway between the celestial poles
  160. censor
    a person authorized to suppress unacceptable material
  161. chador
    a cloth used as a head and body covering by Muslim women
  162. chain armor
    (Middle Ages) flexible armor made of interlinked metal rings
  163. chain reactor
    a nuclear reactor that uses controlled nuclear fission to generate energy
  164. chancellor
    the person who is head of state (in several countries)
  165. Chancellor of the Exchequer
    the British cabinet minister responsible for finance
  166. chemoreceptor
    a sensory receptor that responds to chemical stimuli
  167. Chinese alligator
    small alligator of the Yangtze valley of China having unwebbed digits
  168. chiropractor
    a therapist who manipulates the body to ease pain
  169. Christian Dior
    French couturier whose first collection in 1947 created a style that became known as the New Look (1905-1957)
  170. city editor
    the newspaper editor in charge of editing local news
  171. clamor
    utter or proclaim insistently and noisily
  172. clangor
    a loud resonant repeating noise
  173. closed-door
    not open to the public
  174. clotting factor
    any of the factors in the blood whose actions are essential for blood coagulation
  175. coadjutor
    an assistant to a bishop
  176. coagulator
    an agent that produces coagulation
  177. coauthor
    a writer who collaborates with others in writing something
  178. coconspirator
    a member of a conspiracy
  179. code of behavior
    a set of conventional principles and expectations that are considered binding on any person who is a member of a particular group
  180. cofactor
    a substance (as a coenzyme) that must join with another to produce a given result
  181. collaborator
    an associate in an activity or endeavor or sphere of common interest
  182. collector
    a person who gathers and saves things
  183. collimator
    optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam
  184. color
    a visual attribute of things from the light they emit
  185. color bar
    barrier preventing blacks from participating in various activities with whites
  186. color bearer
    the soldier who carries the standard of the unit in military parades or in battle
  187. color blindness
    genetic inability to distinguish differences in hue
  188. color chart
    a chart displaying colors
  189. color circle
    a chart in which complementary colors (or their names) are arranged on opposite sides of a circle
  190. color code
    system using colors to designate classifications
  191. color constancy
    the tendency for a color to look the same under widely different viewing conditions
  192. color guard
    a ceremonial escort for the (regimental) colors
  193. color line
    barrier preventing blacks from participating in various activities with whites
  194. color scheme
    a planned combination of colors
  195. color sergeant
    a sergeant in a color guard who carries one of the colors
  196. color vision
    the normal ability to see colors
  197. color wash
    a wash of whitewash or other water-base paint tinted with a colored pigment
  198. color wheel
    a chart in which complementary colors (or their names) are arranged on opposite sides of a circle
  199. color-blind
    unable to distinguish one or more chromatic colors
  200. command sergeant major
    a noncommissioned officer serving as chief administrative officer of a headquarters unit of the Army
  201. commentator
    an expert who observes and remarks on something
  202. common denominator
    a shared multiple of the bottom number of two or more fractions
  203. common divisor
    an integer that divides two (or more) other integers evenly
  204. common factor
    an integer that divides two (or more) other integers evenly
  205. communicator
    a person who communicates with others
  206. commutator
    switch for reversing the direction of an electric current
  207. competitor
    the contestant you hope to defeat
  208. compositor
    one who puts written material into type
  209. compressor
    a mechanical device that compresses gasses
  210. conciliator
    someone who tries to bring peace
  211. condor
    the largest flying bird in the western hemisphere
  212. conductor
    the person who leads a musical group
  213. confessor
    someone who confesses
  214. congenator
    an animal or plant that bears a relationship to another
  215. conjuror
    someone who performs magic tricks to amuse an audience
  216. connector
    an instrumentality that connects
  217. conqueror
    someone who is victorious by force of arms
  218. conquistador
    a 16th-century Spanish conqueror of Peru and Mexico
  219. conscientious objector
    one who refuses to serve in the army on moral grounds
  220. conservator
    the curator of a collection, as in a museum or library
  221. consignor
    the person who delivers over or commits merchandise
  222. conspirator
    a member of a plot to carry out some harmful or illegal act
  223. constrictor
    a large snake that kills its prey by crushing it in its coils
  224. constructor
    someone who contracts for and supervises construction
  225. contractor
    someone who is hired to build things
  226. contributor
    a writer published in a periodical or as part of a book
  227. convector
    a space heater that transfers heat to the surrounding air by convection
  228. convertor
    a device for changing one substance or form or state into another
  229. conveyor
    a person who conveys (carries or transmits)
  230. conveyor belt
    a moving loop of material that transports objects
  231. conveyor belt
    a moving loop of material that transports objects
  232. cooperator
    an associate in an activity or endeavor or sphere of common interest
  233. coordinator
    someone whose task is to see that work goes harmoniously
  234. copy editor
    an editor who prepares text for publication
  235. cor anglais
    a double-reed woodwind instrument similar to an oboe but lower in pitch
  236. cor pulmonale
    enlargement of the right ventricle of the heart due to disease of the lungs or of the pulmonary blood vessels
  237. corn liquor
    whiskey illegally distilled from a corn mash
  238. Corregidor
    the peninsula and island in the Philippines where Japanese forces besieged American forces in World War II; United States forces surrendered in 1942 and recaptured the area in 1945
  239. corridor
    an enclosed passageway
  240. cosponsor
    sponsor together with another sponsor
  241. councillor
    a member of a council
  242. counsellor
    someone who gives advice about problems
  243. counselor
    someone who gives advice about problems
  244. counselor-at-law
    a lawyer who pleads cases in court
  245. countertenor
    the highest adult male singing voice
  246. creator
    a person who grows or makes or invents things
  247. creditor
    a person to whom money is owed by a debtor
  248. crystal detector
    a detector consisting of a fine wire in contact with a galena crystal; acts as a rectifier
  249. cultivator
    a farm implement used to break up the surface of the soil
  250. curator
    the custodian of a collection, as a museum or library
  251. curry favor
    seek favor by fawning or flattery
  252. cursor
    (computer science) indicator consisting of a movable spot of light (an icon) on a visual display; moving it allows the user to point to commands or screen positions
  253. cuspidor
    a receptacle for spit (usually in a public place)
  254. dance floor
    a bare floor polished for dancing
  255. data processor
    a machine for performing calculations automatically
  256. dead metaphor
    a metaphor that has occurred so often that it has become a new meaning of the expression (e.g., `he is a snake' may once have been a metaphor but after years of use it has died and become a new sense of the word `snake')
  257. debitor
    a person who owes a creditor
  258. debtor
    a person who owes a creditor
  259. decolor
    remove color from
  260. decor
    the style, furnishing, and layout of an interior space
  261. decorator
    someone who decorates
  262. defalcator
    someone who violates a trust by taking for his own use
  263. defecator
    a person who defecates
  264. defector
    a person who abandons their duty, country, or cause
  265. defibrillator
    electronic device to restore the normal rhythm of the heart
  266. deflator
    a statistical factor designed to remove the effect of inflation; inflation adjusted variables are in constant dollars
  267. deflector
    a device intended to turn aside the flow of something
  268. defoliator
    an insect that strips the leaves from plants
  269. demeanor
    the way a person behaves toward other people
  270. demodulator
    rectifier that extracts modulation from a radio carrier wave
  271. demonstrator
    someone participating in a public display of group feeling
  272. denominator
    the divisor of a fraction
  273. depositor
    a person who has deposited money in a bank or similar institution
  274. depreciator
    one who disparages or belittles the worth of something
  275. depressor
    any skeletal muscle that draws a body part down
  276. depressor nerve
    any nerve whose activity tends to reduce the activity or tone of the body part it serves
  277. Dermacentor
    vectors of important diseases of man and animals
  278. descriptor
    the phonological or orthographic sound or appearance of a word that can be used to describe or identify something
  279. detector
    a device that receives a signal and responds to it
  280. detonator
    a mechanical or electrical explosive device or a small amount of explosive; can be used to initiate the reaction of a disrupting explosive
  281. detractor
    one who disparages or belittles the worth of something
  282. devisor
    someone who devises real property in a will
  283. dictator
    a ruler who is unconstrained by law
  284. differentiator
    a person who (or that which) differentiates
  285. diffusor
    baffle that distributes sound waves evenly
  286. dilator
    a muscle or nerve that dilates or widens a body part
  287. director
    someone who manages an organization
  288. discolor
    cause to lose or change hue
  289. discriminator
    a person who (or that which) differentiates
  290. disfavor
    put at a disadvantage
  291. dishonor
    a state of shame or disgrace
  292. disseminator
    someone who spreads the news
  293. dissimulator
    a person who professes beliefs and opinions that he or she does not hold in order to conceal his or her real feelings or motives
  294. distributor
    a person with authority to allot or deal out or apportion
  295. divisor
    an integer that is a factor of another integer
  296. doctor
    a person who holds Ph.D. degree from an academic institution
  297. dolor
    (poetry) painful grief
  298. done for
    destroyed or killed
  299. donor
    a person who makes a gift of money, property, etc.
  300. door
    a swinging or sliding barrier that will close the entrance to a room or building or vehicle
  301. door prize
    tickets are passed out at the entrance to a dance or party or other social function and a prize is awarded to the holder of the winning ticket
  302. door-to-door
    direct from point of origin to point of destination
  303. double door
    two vertical doors that meet in the middle of the door frame when closed
  304. drum major
    the leader of a marching band or drum corps
  305. duplicator
    apparatus that makes copies of typed, written or drawn material
  306. Dutch door
    an exterior door divided in two horizontally
  307. earth color
    a colored mineral used as a pigment
  308. earth tremor
    a small earthquake
  309. Ecuador
    a republic in northwestern South America
  310. editor
    the person who determines the final content of a text
  311. editor in chief
    a person responsible for the editorial aspects of publication; the person who determines the final content of a text (especially of a newspaper or magazine)
  312. educator
    someone who educates young people
  313. effector
    one who brings about a result or event
  314. egg-and-anchor
    a decorative molding
  315. ejaculator
    a man who ejaculates semen
  316. ejector
    a person who ousts or supplants someone else
  317. El Salvador
    a republic on the Pacific coast of Central America
  318. elector
    a citizen who has a legal right to vote
  319. electrostatic generator
    electrical device that produces a high voltage by building up a charge of static electricity
  320. electrostatic precipitator
    removes dust particles from gases by electrostatic precipitation
  321. elevator
    lifting device consisting of a platform or cage that is raised and lowered mechanically in a vertical shaft in order to move people from one floor to another in a building
  322. eliminator
    an agent that eliminates something
  323. emancipator
    someone who frees others from bondage
  324. embassador
    a diplomat of the highest rank
  325. emperor
    the male ruler of an empire
  326. emperor butterfly
    large richly colored butterfly
  327. emperor moth
    large moth of temperate forests of Eurasia having heavily scaled transparent wings
  328. emperor penguin
    the largest penguin; an Antarctic penguin
  329. emptor
    a person who buys
  330. emulator
    someone who copies the words or behavior of another
  331. enamor
    attract
  332. endeavor
    attempt by employing effort
  333. enumerator
    someone who collects census data by visiting individual homes
  334. epilator
    a cosmetic for temporary removal of undesired hair
  335. equator
    an imaginary line around the Earth forming a great circle
  336. equivocator
    a respondent who avoids giving a clear direct answer
  337. eradicator
    someone who exterminates
  338. error
    a wrong action attributable to bad judgment or ignorance
  339. escalator
    a stairway whose steps move continuously on a circulating belt
  340. estimator
    an expert at calculation
  341. evaluator
    an authority who is able to estimate worth or quality
  342. Ewing's tumor
    malignant tumor in bone marrow
  343. excavator
    a workman who excavates for foundations of buildings or for quarrying
  344. excelsior
    thin curly wood shavings used for packing or stuffing
  345. executor
    a person appointed to carry out the terms of the will
  346. exhibitor
    someone who organizes an exhibit for others to see
  347. existential operator
    a logical quantifier of a proposition that asserts the existence of at least one thing for which the proposition is true
  348. Exmoor
    horned sheep of Devon; valued for mutton
  349. expectorator
    a person who spits (ejects saliva or phlegm from the mouth)
  350. expositor
    a person who explains
  351. expurgator
    a person who edits a text by removing obscene or offensive words or passages
  352. extensor
    a skeletal muscle whose contraction extends or stretches a body part
  353. exterior
    situated in the outdoors or outside of a building
  354. exterior angle
    the supplement of an interior angle of a polygon
  355. exterminator
    someone who exterminates
  356. exteroceptor
    any receptor that responds to stimuli outside the body
  357. extractor
    a mechanism in a firearm that pulls an empty shell case out of the chamber and passes it to the ejector
  358. eye doctor
    a medical doctor specializing in the diagnosis and treatment of diseases of the eye
  359. fabricator
    someone who tells lies
  360. facilitator
    someone who makes progress easier
  361. factor
    anything that contributes causally to a result
  362. factor analysis
    any of several methods for reducing correlational data to a smaller number of dimensions or factors; beginning with a correlation matrix a small number of components or factors are extracted that are regarded as the basic variables that account for the interrelations observed in the data
  363. factor of safety
    the ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use
  364. factor V
    a coagulation factor
  365. factor VIII
    a coagulation factor (trade name Hemofil) whose absence is associated with hemophilia A
  366. false labor
    painless contractions of the muscles of the uterus that continue throughout pregnancy with increasing frequency
  367. family doctor
    a general practitioner who treats all the family members
  368. favor
    an act of gracious kindness
  369. fervor
    feelings of great warmth and intensity
  370. fetor
    a distinctive odor that is offensively unpleasant
  371. field of honor
    a region where a battle is being (or has been) fought
  372. field-effect transistor
    a transistor in which most current flows in a channel whose effective resistance can be controlled by a transverse electric field
  373. fire door
    a fire-resistant door that can be closed to stop the spread of a fire
  374. first floor
    the floor of a building that is at or nearest to the level of the ground around the building
  375. flavor
    the taste experience when a savory condiment is taken into the mouth
  376. flexor
    a skeletal muscle whose contraction bends a joint
  377. flight simulator
    simulator consisting of a machine on the ground that simulates the conditions of flying a plane
  378. floor
    the inside lower horizontal surface
  379. floor lamp
    a lamp that stands on the floor
  380. floor leader
    the legislator who organizes his party's strategy
  381. floor plan
    scale drawing of a horizontal section through a building at a given level; contrasts with elevation
  382. floor show
    a series of acts at a night club
  383. floor wax
    a preparation containing wax and used to polish and preserve the finish of floors
  384. fluor
    a soft mineral that is fluorescent in ultraviolet light
  385. fly floor
    a narrow raised platform at the side of a stage in a theater
  386. foetor
    a distinctive odor that is offensively unpleasant
  387. folding door
    an interior door that opens by folding back in sections
  388. Fomor
    one of a group of Celtic sea demons sometimes associated with the hostile power of nature
  389. food color
    a digestible substance used to give color to food
  390. food processor
    a kitchen appliance with interchangeable blades
  391. fornicator
    someone who commits adultery or fornication
  392. French door
    a light door with transparent or glazed panels extending the full length
  393. front door
    exterior door (at the entrance) at the front of a building
  394. fudge factor
    a quantity that is added or subtracted in order to increase the accuracy of a scientific measure
  395. fumigator
    a device that generates a gas for the purpose of disinfecting or eradicating pests
  396. funeral director
    one whose business is the management of funerals
  397. funeral parlor
    a mortuary where those who knew the deceased can come to pay their last respects
  398. furor
    an interest followed with exaggerated zeal
  399. gator
    either of two amphibious reptiles related to crocodiles but with shorter broader snouts
  400. generator
    someone who originates, causes, or initiates something
  401. genitor
    a natural father or mother
  402. gladiator
    a professional combatant in ancient Rome
  403. glamor
    alluring beauty or charm (often with sex-appeal)
  404. go for
    intend with some possibility of fulfilment
  405. governor
    the head of a state authority
  406. governor general
    a governor of high rank
  407. governor's plum
    small shrubby tree of Madagascar cultivated in tropical regions as a hedge plant and for its deep red acid fruits resembling small plums
  408. Grand Inquisitor
    director of the court of Inquisition
  409. grantor
    a person who makes a grant in legal form
  410. greatest common divisor
    the largest integer that divides without remainder into a set of integers
  411. greatest common factor
    the largest integer that divides without remainder into a set of integers
  412. ground floor
    the floor of a building that is at or nearest to the level of the ground around the building
  413. growth factor
    a protein that is involved in cell differentiation and growth
  414. growth regulator
    (botany) a plant product that acts like a hormone
  415. guarantor
    one who promises to pay back a borrower's debt if necessary
  416. guard of honor
    an escort for a distinguished guest or for the casket at a military funeral
  417. guest of honor
    the person in whose honor a gathering is held
  418. half door
    an exterior door divided in two horizontally
  419. harbor
    a sheltered port where ships can take on or discharge cargo
  420. harbor porpoise
    the common porpoise of the northern Atlantic and Pacific
  421. harbor seal
    small spotted seal of coastal waters of the northern hemisphere
  422. hard liquor
    an alcoholic beverage that is distilled rather than fermented
  423. hector
    talk to or treat someone in a bossy or bullying way
  424. herb doctor
    a therapist who heals by the use of herbs
  425. heritor
    a person who is entitled by law or by the terms of a will to inherit the estate of another
  426. hesitator
    one who hesitates (usually out of fear)
  427. highest common factor
    the largest integer that divides without remainder into a set of integers
  428. honor
    a tangible symbol signifying approval or distinction
  429. honor guard
    an escort for a distinguished guest or for the casket at a military funeral
  430. honor system
    a system of conduct in which participants are trusted not to take unfair advantage of others
  431. horror
    intense and profound fear
  432. horror-struck
    stricken with horror
  433. horse doctor
    a veterinarian who treats horses
  434. humor
    a message that has the power to evoke laughter
  435. hybrid vigor
    the tendency for better qualities to result from crossbreeding
  436. ichor
    the rarified fluid said to flow in the veins of the Gods
  437. ignitor
    a device for lighting or igniting fuel or charges or fires
  438. ill humor
    an angry and disagreeable mood
  439. illustrator
    an artist who makes illustrations
  440. imitator
    someone who copies the words or behavior of another
  441. impersonator
    someone who (fraudulently) assumes the appearance of another
  442. impostor
    a person who makes deceitful pretenses
  443. in for
    certain to get or have
  444. incinerator
    a furnace for incinerating (especially to dispose of refuse)
  445. incisor
    a tooth for cutting or gnawing
  446. incubator
    apparatus consisting of a box designed to maintain a constant temperature by the use of a thermostat; used for chicks or premature infants
  447. indicator
    a device for showing the operating condition of some system
  448. indoor
    located, suited for, or taking place within a building
  449. induction accelerator
    accelerates a continuous beam of electrons to high speeds by means of the electric field produced by changing magnetic flux
  450. inductor
    an electrical device (typically a conducting coil) that introduces inductance into a circuit
  451. inferior
    of or characteristic of low rank or importance
  452. inferior alveolar artery
    the alveolar artery that goes through the mandibular canal to supply the lower teeth
  453. inferior colliculus
    an essential auditory center in the midbrain
  454. inferior conjunction
    (astronomy) the alignment of the Earth and a planet on the same side of the sun
  455. inferior court
    any court whose decisions can be appealed to a higher court
  456. inferior planet
    any of the planets whose orbit lies inside the earth's orbit
  457. infiltrator
    someone who takes up a position surreptitiously for the purpose of espionage
  458. inflator
    an air pump operated by hand to inflate something
  459. inhalator
    a breathing device for administering long-term artificial respiration
  460. inheritor
    a person who is entitled by law or by the terms of a will to inherit the estate of another
  461. inhibitor
    a substance that slows or stops an activity
  462. initiator
    a person who starts a course of action
  463. injector
    a contrivance for injecting
  464. innovator
    someone who helps to open up a new line of technology or art
  465. inoculator
    a medical practitioner who inoculates people against diseases
  466. inquisitor
    a questioner who is excessively harsh
  467. inspector
    an investigator who observes carefully
  468. inspector general
    a military officer responsible for investigations
  469. instigator
    someone who deliberately foments trouble
  470. instructor
    a person whose occupation is teaching
  471. insulator
    a material with little electrical or thermal conductivity
  472. integrator
    a measuring instrument for measuring the area of an irregular plane figure
  473. interceptor
    a fast maneuverable fighter plane designed to intercept enemy aircraft
  474. intercessor
    a negotiator who acts as a link between parties
  475. interior
    inside and toward a center
  476. interior angle
    the angle inside two adjacent sides of a polygon
  477. interior decoration
    the trade of planning the layout and furnishings of an architectural interior
  478. interior decorator
    a person who specializes in designing architectural interiors and their furnishings
  479. interior design
    the trade of planning the layout and furnishings of an architectural interior
  480. interior designer
    a person who specializes in designing architectural interiors and their furnishings
  481. interior live oak
    a small shrubby evergreen tree of western North America similar to the coast live oak but occurring chiefly in foothills of mountain ranges removed from the coast; an important part of the chaparral
  482. interior monologue
    a literary genre that presents a fictional character's sequence of thoughts in the form of a monologue
  483. interlocutor
    a person who takes part in a conversation
  484. intermediate vector boson
    a gauge boson that mediates weak interactions between particles
  485. intermediator
    a negotiator who acts as a link between parties
  486. interoceptor
    any receptor that responds to stimuli inside the body
  487. interrogator
    a questioner who is excessively harsh
  488. intervenor
    (law) a party who interposes in a pending proceeding
  489. intrinsic factor
    a substance produced by the mucosa of the stomach and intestines that is essential for the absorption of vitamin B12
  490. inventor
    someone who is the first to think of or make something
  491. investigator
    someone who inquires carefully
  492. investor
    someone who commits capital to gain financial returns
  493. invigilator
    someone who watches examination candidates to prevent cheating
  494. invigorator
    an agent that gives or restores life or vigor
  495. jailor
    someone who guards prisoners
  496. janitor
    someone employed to clean and maintain a building
  497. joint author
    a writer who collaborates with others in writing something
  498. junior
    including or intended for youthful persons
  499. junior college
    a college that offers only the first two years terminating in an associate degree
  500. junior high school
    a secondary school usually including 7th and 8th grades
  501. junior school
    British school for children aged 7-11
  502. junior varsity
    a college or university team that competes at a level below the varsity team
  503. juror
    a member of a group that delivers a verdict at a trial
  504. knight bachelor
    a knight of the lowest order; could display only a pennon
  505. komondor
    Hungarian breed of large powerful shaggy-coated white dog
  506. kor
    an ancient Hebrew unit of capacity equal to 10 baths or 10 ephahs
  507. kwashiorkor
    severe malnutrition in children resulting from a diet excessively high in carbohydrates and low in protein
  508. labor
    any piece of work that is undertaken or attempted
  509. labor camp
    a penal institution for political prisoners who are used as forced labor
  510. Labor Day
    first Monday in September in the United States and Canada
  511. labor force
    the source of trained people from which workers can be hired
  512. labor market
    the market in which workers compete for jobs and employers compete for workers
  513. labor movement
    an organized attempt by workers to improve their status by united action (particularly via labor unions) or the leaders of this movement
  514. labor of love
    productive work performed voluntarily without material reward or compensation
  515. labor union
    an employee organization that bargains with an employer
  516. labor-intensive
    requiring a large expenditure of labor but not much capital
  517. Labrador
    the mainland part of the province of Newfoundland and Labrador in the eastern part of the large Labrador-Ungava Peninsula in northeastern Canada
  518. Labrador retriever
    breed originally from Labrador having a short black or golden-brown coat
  519. Labrador tea
    evergreen shrub of eastern North America having white or creamy bell-shaped flowers and dark green hairy leaves used for tea during American Revolution
  520. lachrymator
    a gas that makes the eyes fill with tears but does not damage them; used in dispersing crowds
  521. lacrimator
    a gas that makes the eyes fill with tears but does not damage them; used in dispersing crowds
  522. laminator
    a person who makes laminates (especially plastic laminates)
  523. languor
    inactivity; showing an unusual lack of energy
  524. laudator
    someone who communicates high praise
  525. leading indicator
    one of 11 indicators for different sections of the economy
  526. lector
    someone who reads the lessons in a church service
  527. legislator
    someone who makes or enacts laws
  528. lessor
    someone who grants a lease
  529. levator
    a muscle that serves to lift some body part
  530. liberator
    someone who releases people from captivity or bondage
  531. lie detector
    a polygraph that records bodily changes sometimes associated with lying
  532. lieutenant governor
    an elected official serving as deputy to the governor of a state of the United States
  533. lieutenant junior grade
    an officer holding a commissioned rank in the United States Navy or United States Coast Guard; below lieutenant and above ensign
  534. lightning conductor
    a metallic conductor that is attached to a high point and leads to the ground; protects the building from destruction by lightning
  535. linear accelerator
    ions are accelerated along a linear path by voltage differences on electrodes along the path
  536. liquidator
    (law) a person (usually appointed by a court of law) who liquidates assets or preserves them for the benefit of affected parties
  537. liquor
    an alcoholic beverage that is distilled rather than fermented
  538. litigator
    (law) a party to a lawsuit; someone involved in litigation
  539. load factor
    the ratio of an external load to the weight of the aircraft
  540. lobster thermidor
    diced lobster mixed with Mornay sauce placed back in the shell and sprinkled with grated cheese and browned
  541. locator
    a person who fixes the boundaries of land claims
  542. locomotor
    of or relating to locomotion
  543. locomotor ataxia
    syphilis of the spinal cord characterized by degeneration of sensory neurons and stabbing pains in the trunk and legs and unsteady gait and incontinence and impotence
  544. look for
    try to locate or discover, or try to establish the existence of
  545. Lord Chancellor
    the highest officer of the Crown who is head of the judiciary and who presides in the House of Lords
  546. Lord High Chancellor
    the highest officer of the Crown who is head of the judiciary and who presides in the House of Lords
  547. louis d'or
    a former French gold coin
  548. lubricator
    a substance that makes things move more easily
  549. machinator
    a member of a conspiracy
  550. magnetic equator
    an imaginary line paralleling the equator where a magnetic needle has no dip
  551. maid of honor
    an unmarried woman who attends the bride at a wedding
  552. major
    greater in scope or effect
  553. major axis
    the longest axis of an ellipse or ellipsoid
  554. major form class
    any of the major parts of speech of traditional grammar
  555. major key
    a key whose harmony is based on the major scale
  556. major league
    the most important league in any sport (especially baseball)
  557. major league
    the most important league in any sport (especially baseball)
  558. major planet
    (astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction
  559. major premise
    the premise of a syllogism that contains the major term
  560. major suit
    a suit of superior scoring value, either spades or hearts
  561. major surgery
    any surgical procedure that involves anesthesia or respiratory assistance
  562. major term
    the term in a syllogism that is the predicate of the conclusion
  563. major-general
    a general officer ranking above a brigadier general and below a lieutenant general
  564. malefactor
    someone who has committed a crime
  565. malignant tumor
    a tumor that is malignant and tends to spread to other parts of the body
  566. malodor
    a distinctive odor that is offensively unpleasant
  567. malt liquor
    a lager of high alcohol content
  568. managing director
    someone who controls resources and expenditures
  569. managing editor
    the editor in charge of all editorial activities of a newspaper or magazine
  570. mandator
    an authority who issues a mandate
  571. manipulator
    an agent that operates some apparatus or machine
  572. manor
    the landed estate of a lord, including the house on it
  573. manor house
    the mansion of a lord or wealthy person
  574. markhoor
    large Himalayan goat with large spiraled horns
  575. markhor
    large Himalayan goat with large spiraled horns
  576. masturbator
    a person who practices masturbation
  577. matador
    the principal bullfighter who is appointed to make the final passes and kill the bull
  578. matron of honor
    a married woman serving as the attendant to the bride at a wedding
  579. mayor
    the head of a city government
  580. mediator
    a negotiator who acts as a link between parties
  581. mentor
    a wise and trusted guide and advisor
  582. Mercator
    Flemish geographer who lived in Germany
  583. Mercator projection
    a map projection of the earth onto a cylinder
  584. mercury-vapor lamp
    ultraviolet lamp that emits a strong bluish light (rich in ultraviolet radiation) as electric current passes through mercury vapor
  585. metaphor
    a figure of speech that suggests a non-literal similarity
  586. meteor
    a small, solid space object that has entered Earth's atmosphere
  587. meteor shower
    a transient shower of meteors when a meteor swarm enters the earth's atmosphere
  588. meteor swarm
    a group of meteoroids with similar paths
  589. mezzanine floor
    intermediate floor just above the ground floor
  590. microprocessor
    a tiny electronic device handling a computer's logical functions
  591. migrator
    traveler who moves from one region or country to another
  592. military governor
    the head of a government established by the military
  593. mine detector
    detector consisting of an electromagnetic device
  594. minor
    inferior in number or size or amount
  595. minor axis
    the shorter or shortest axis of an ellipse or ellipsoid
  596. minor key
    a key based on the minor scale
  597. minor league
    a league of teams that do not belong to a major league
  598. minor league
    a league of teams that do not belong to a major league
  599. minor mode
    a key based on the minor scale
  600. minor planet
    any of numerous small celestial bodies that move around the sun
  601. minor premise
    the premise of a syllogism that contains the minor term
  602. minor suit
    a suit of inferior scoring value, either diamonds or clubs
  603. minor surgery
    any surgical procedure that does not involve anesthesia or respiratory assistance
  604. minor term
    the term in a syllogism that is the subject of the conclusion
  605. mirror
    polished surface that forms images by reflecting light
  606. mirror carp
    domestic carp with some large shining scales
  607. mirror image
    a likeness in which left and right are reversed
  608. misbehavior
    improper or wicked or immoral behavior
  609. misdemeanor
    a crime less serious than a felony
  610. mixed metaphor
    a combination of two or more metaphors that together produce a ridiculous effect
  611. moderator
    someone who presides over a debate or meeting
  612. monitor
    someone who observes to ensure fairness or prevent mistakes
  613. monitor lizard
    any of various large tropical carnivorous lizards of Africa and Asia and Australia; fabled to warn of crocodiles
  614. Monsignor
    an ecclesiastical title of honor bestowed on some priests
  615. moor
    come into or dock at a wharf
  616. mooring anchor
    an anchor used to hold a mooring buoy or a channel marker in place
  617. mortgagor
    the person who gives a mortgage in return for money to be repaid
  618. mother superior
    the superior of a group of nuns
  619. motor
    machine that creates mechanical energy and imparts movement
  620. motor aphasia
    aphasia in which expression by speech or writing is severely impaired
  621. motor area
    the cortical area that influences motor movements
  622. motor cortex
    the cortical area that influences motor movements
  623. motor end plate
    the flattened end of a motor neuron that transmits neural impulses to a muscle
  624. motor fiber
    a nerve fiber that carries impulses toward the muscles or glands
  625. motor home
    a recreational vehicle equipped for outdoor living while traveling
  626. motor horn
    a device on an automobile for making a warning noise
  627. motor inn
    a hotel for motorists
  628. motor pool
    a fleet of military vehicles controlled by a single agency and available for use as needed
  629. motor scooter
    a wheeled vehicle with small wheels and a low-powered gasoline engine geared to the rear wheel
  630. motor torpedo boat
    a small fast unarmored and lightly armed torpedo boat
  631. motor vehicle
    a self-propelled wheeled vehicle that does not run on rails
  632. mucor
    any mold of the genus Mucor
  633. multicolor
    having sections or patches colored differently and usually brightly
  634. multiprocessor
    a computer that uses two or more processing units under integrated control
  635. mushroom anchor
    an anchor used for semipermanent moorings
  636. music director
    the person who leads a musical group
  637. mutilator
    a person who mutilates or destroys or disfigures or cripples
  638. Myocastor
    a genus of Capromyidae
  639. narrator
    someone who tells a story
  640. natator
    a person who travels through the water by swimming
  641. navigator
    the officer in charge of guiding a ship
  642. negotiator
    someone who confers with others to reach a settlement
  643. neighbor
    a person who lives near another
  644. nerve growth factor
    a protein that is involved in the growth of peripheral nerve cells
  645. Nestor
    (Greek mythology) a wise old counselor to the Greeks at Troy
  646. neuromotor
    relating to a nerve fiber or impulse passing toward motor effectors
  647. newsvendor
    someone who sells newspapers
  648. next door
    at or in or to the adjacent residence
  649. night terror
    an emotional episode (usually in young children) in which the person awakens in terror with feelings of anxiety and fear but is unable to remember any incident that might have provoked those feelings
  650. nominator
    someone who proposes a candidate for appointment or election
  651. nonconductor
    a material such as glass or porcelain with negligible electrical or thermal conductivity
  652. nuclear reactor
    (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements
  653. numerator
    the dividend of a fraction
  654. objector
    a person who dissents from some established policy
  655. obliterator
    an eliminator that does away with all traces
  656. obstructor
    someone who systematically obstructs some action that others want to take
  657. obturator
    a prosthesis used to close an opening
  658. obturator vein
    a vein formed by the union of tributaries that drain the hip joints and thigh muscles; empties into the internal iliac vein
  659. Occam's Razor
    the principle that entities should not be multiplied needlessly; the simplest of two competing theories is to be preferred
  660. Ockham's Razor
    the principle that entities should not be multiplied needlessly; the simplest of two competing theories is to be preferred
  661. oculomotor
    supplies extrinsic muscles of the eye
  662. oculomotor nerve
    supplies extrinsic muscles of the eye
  663. odor
    any property detected by the sense of smell
  664. off-axis reflector
    a reflecting telescope with the mirror slightly tilted to throw the image to the side where it can be viewed
  665. off-color
    in violation of good taste even verging on the indecent
  666. offeror
    someone who presents something to another for acceptance or rejection
  667. oil color
    oil paint containing pigment that is used by an artist
  668. open door
    freedom of access
  669. operator
    an agent that operates some apparatus or machine
  670. oppressor
    a person of authority who subjects others to undue pressures
  671. orator
    a person who delivers a speech
  672. orator
    a person who delivers a speech
  673. orchestrator
    an arranger who writes for orchestras
  674. originator
    someone who creates new things
  675. oscillator
    generator that produces sonic oscillations or alternating current
  676. osmoreceptor
    sensory end organ that responds to changes in osmotic pressure
  677. out-of-door
    located, suited for, or taking place in the open air
  678. outboard motor
    internal-combustion engine that mounts at stern of small boat
  679. outdoor
    pertaining to or concerning the outdoors or outdoor activities
  680. ovipositor
    egg-laying tubular structure at the end of the abdomen in many female insects and some fishes
  681. pallor
    an unnatural lack of color in the skin
  682. parabolic mirror
    a parabolic reflector for light radiation
  683. parabolic reflector
    a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beam
  684. parlor
    a room in a house where people can sit, relax, and talk
  685. parlor car
    a passenger car for day travel
  686. parlor game
    a game suitable for playing in a parlor
  687. parlor grand
    a small grand piano
  688. parti-color
    make motley; color with different colors
  689. particle accelerator
    a scientific instrument that increases the kinetic energy of charged particles
  690. pastor
    a person authorized to conduct religious worship
  691. pavior
    a machine for laying pavement
  692. pay for
    have as a guest
  693. Pearl Harbor
    a harbor on Oahu to the west of Honolulu
  694. peculator
    someone who violates a trust by taking for his own use
  695. penetrator
    an intruder who passes into or through
  696. perambulator
    a small wheeled vehicle in which a baby is pushed around
  697. percolator
    a coffeepot in which boiling water ascends through a central tube and filters back down through a basket of ground coffee beans
  698. percussor
    (medicine) a small hammer with a rubber head used in percussive examinations of the chest and in testing reflexes
  699. perpetrator
    someone who commits wrongdoing
  700. persecutor
    someone who torments
  701. person of color
    (formal) any non-European non-white person
  702. petit juror
    a member of a petit jury
  703. phosphor
    a synthetic substance that is fluorescent or phosphorescent
  704. phosphor bronze
    a corrosion-resistant bronze containing phosphorus
  705. photocoagulator
    surgical instrument containing a laser for use in photocoagulation
  706. picador
    a horseman who pricks the bull with a lance in a bullfight
  707. pipe major
    the chief piper in a band of bagpipes
  708. plaintiff in error
    the person or party seeking a reversal of a lower court's decision
  709. plate armor
    specially hardened steel plate used to protect fortifications or vehicles from enemy fire
  710. playactor
    an actor who travels around the country presenting plays
  711. plessor
    (medicine) a small hammer with a rubber head used in percussive examinations of the chest and in testing reflexes
  712. plexor
    (medicine) a small hammer with a rubber head used in percussive examinations of the chest and in testing reflexes
  713. pollinator
    an insect that helps fertilize plants
  714. poor
    having little money or few possessions
  715. poor box
    box for collecting alms, especially one in a church
  716. poor boy
    a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States
  717. poor law
    a law providing support for the poor
  718. poor man's orchid
    any plant of the genus Schizanthus having finely divided leaves and showy variegated flowers
  719. poor man's weatherglass
    herb with scarlet or white or purple blossoms that close at approach of rainy weather
  720. poor-spirited
    lacking in courage and manly strength and resolution
  721. possessor
    a person who owns something
  722. poster color
    paint made of pigment mixed with a water-soluble binder like egg yolk
  723. posterior
    located at or near the end of a structure
  724. posterior naris
    either one of the two posterior openings at the back of the nasal cavity leading to the nasopharynx
  725. postulator
    someone who assumes or takes something for granted as the basis of an argument
  726. pot liquor
    the liquid in which vegetables or meat have be cooked
  727. praetor
    an annually elected magistrate of the ancient Roman Republic
  728. precentor
    the musical director of a choir
  729. preceptor
    a teacher or tutor, especially at Cambridge or Oxford
  730. precipitator
    removes dust particles from gases by electrostatic precipitation
  731. precursor
    something indicating the approach of something or someone
  732. predator
    any animal that lives by preying on other animals
  733. predecessor
    one who goes before you in time
  734. predicator
    an expression that predicates
  735. predictor
    information that supports a probabilistic estimate of future events
  736. preemptor
    someone who acquires land by preemption
  737. premature labor
    labor beginning prior to the 37th week of gestation
  738. pressor
    increasing (or tending to increase) blood pressure
  739. prestidigitator
    someone who performs magic tricks to amuse an audience
  740. pretor
    an annually elected magistrate of the ancient Roman Republic
  741. prevaricator
    a person who has lied or who lies repeatedly
  742. primary color
    any of three colors from which all others can be obtained by mixing
  743. prime factor
    the prime factors of a quantity are all of the prime quantities that will exactly divide the given quantity
  744. primogenitor
    an ancestor in the direct line
  745. prior
    earlier in time
  746. private investigator
    someone who can be employed as a detective to collect information
  747. privilege of the floor
    the right to be admitted onto the floor of a legislative assembly while it is in session
  748. processor
    someone who processes things
  749. procrastinator
    someone who postpones work
  750. proctor
    someone who supervises (an examination)
  751. procurator
    a person authorized to act for another
  752. professor
    a member of the faculty at a college or university
  753. progenitor
    an ancestor in the direct line
  754. prognosticator
    someone who makes predictions of the future
  755. projector
    an optical device for projecting a beam of light
  756. promisor
    a person who makes a promise
  757. promulgator
    one who promulgates laws
  758. pronator
    a muscle that produces or assists in pronation
  759. propagator
    someone who spreads the news
  760. propellor
    a mechanical device that rotates to push against air or water
  761. proprietor
    someone who owns a business
  762. proprioceptor
    special nerve endings in the muscles and tendons and other organs that respond to stimuli regarding the position and movement of the body
  763. prosecutor
    an official conducting criminal cases on behalf of the state
  764. prospector
    someone who explores an area for mineral deposits
  765. protease inhibitor
    an antiviral drug used against HIV
  766. protector
    a person who cares for persons or property
  767. protractor
    drafting instrument used to draw or measure angles
  768. psychomotor
    of or relating to or characterizing mental events that have motor consequences or vice versa
  769. public prosecutor
    a government official who conducts criminal prosecutions on behalf of the state
  770. purple emperor
    large European butterfly the male of which has wings shaded with purple
  771. purveyor
    someone who supplies provisions, especially food
  772. quaestor
    any of several public officials of ancient Rome
  773. radiator
    heater consisting of a series of pipes for circulating steam
  774. radius vector
    a line connecting a point in space to the origin of a polar coordinate system
  775. rancor
    a feeling of deep and bitter anger and ill-will
  776. raptor
    a carnivorous bird that hunts other animals
  777. ratiocinator
    someone who reasons logically
  778. razor
    edge tool used in shaving
  779. razor clam
    marine clam having a long narrow curved thin shell
  780. razor edge
    an edge that is as sharp as the cutting side of a razor
  781. razor fish
    any of several small wrasses with compressed sharp-edged heads of the West Indies and Mediterranean
  782. razor-backed
    having a sharp narrow back
  783. razor-sharp
    as sharp as a razor
  784. reactor
    apparatus to maintain and control a nuclear reaction
  785. Realtor
    a licensed agent who helps people buy, sell, or rent property
  786. rearview mirror
    car mirror that reflects the view out of the rear window
  787. receptor
    a cellular structure that connects with a specific chemical agent
  788. rector
    a person authorized to conduct religious worship
  789. redactor
    someone who puts text into appropriate form for publication
  790. reenactor
    a person who enacts a role in an event that occurred earlier
  791. reflection factor
    the fraction of radiant energy that is reflected from a surface
  792. reflector
    device that reflects radiation
  793. refrigerator
    appliance in which food can be stored at low temperatures
  794. refrigerator car
    a freight car that is equipped with refrigeration system
  795. Regius professor
    holder of a British professorship created by a royal patron
  796. regulator
    a device for controlling flow, pressure, temperature, etc.
  797. reign of terror
    any period of brutal suppression thought to resemble the Reign of Terror in France
  798. remunerator
    a person who pays money for something
  799. renovator
    a skilled worker who is employed to restore or refinish buildings or antique furniture
  800. repressor
    an agent that represses
  801. resistor
    an electrical device that resists the flow of electrical current
  802. resonator
    an electrical circuit that combines capacitance and inductance in such a way that a periodic electric oscillation will reach maximum amplitude
  803. respirator
    a breathing device for administering long-term artificial respiration
  804. resuscitator
    a breathing apparatus used for resuscitation by forcing oxygen into the lungs of a person who has undergone asphyxia or arrest of respiration
  805. retaliator
    someone who takes vengeance
  806. retractor
    surgical instrument that holds back the edges of a surgical incision
  807. 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
  808. rhesus factor
    a blood group antigen possessed by Rh-positive people
  809. rheumatoid factor
    autoantibody that is usually present in the serum of people with rheumatoid arthritis
  810. rigor
    excessive sternness
  811. rigor mortis
    temporary stiffness of joints and muscles after death
  812. rose-colored pastor
    glossy black bird with pink back and abdomen; chiefly Asian
  813. rotator cuff
    a supporting structure of the shoulder consisting of the muscles and tendons that attach the arm to the shoulder joint and enable the arm to move
  814. rotor
    rotating mechanism consisting of an assembly of rotating airfoils
  815. rotor blade
    the long airfoil that rotates to provide the lift that supports a helicopter in the air
  816. rubor
    a response of body tissues to injury or irritation
  817. ruminator
    a reflective thinker characterized by quiet contemplation
  818. rumor
    gossip passed around by word of mouth
  819. safe harbor
    the target company defends itself by acquiring a company so onerously regulated that it makes the target less attractive
  820. safety factor
    the ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use
  821. safety razor
    a razor with a guard to prevent deep cuts in the skin
  822. sailor
    any member of a ship's crew
  823. sailor suit
    a boy's ensemble; copied from a sailor's uniform
  824. Salvador
    a republic on the Pacific coast of Central America
  825. salvor
    someone who salvages
  826. San Salvador
    the capital and largest city of El Salvador
  827. savior
    a person who rescues you from harm or danger
  828. savor
    a particular taste or smell, especially an appealing one
  829. scissor
    cut with or as if with scissors
  830. scissor-tailed
    (of birds) having a deeply forked tail
  831. sculptor
    an artist who creates three-dimensional artwork
  832. sea anchor
    restraint consisting of a canvas covered frame that floats behind a vessel; prevents drifting or maintains the heading into a wind
  833. secretor
    any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream
  834. sector
    a particular aspect of life or activity
  835. seignior
    a man of rank in the ancient regime
  836. selector
    a person who chooses
  837. selector switch
    a switch that is used to select among alternatives
  838. semiconductor
    a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity increases with temperature and in the presence of impurities
  839. semimajor axis
    one-half the major axis of an ellipse
  840. semiminor axis
    one-half the minor axis of an ellipse
  841. senator
    a member of a legislative assembly
  842. send for
    order, request, or command to come
  843. Senhor
    a Portuguese title of respect; equivalent to English `Mr'
  844. senior
    advanced in years
  845. senior chief petty officer
    a senior noncommissioned officer in the Navy or Coast Guard with a rank comparable to master sergeant in the Army
  846. senior citizen
    an elderly person
  847. senior high school
    a public secondary school usually including grades 9 through 12
  848. senior master sergeant
    a senior noncommissioned officer in the Air Force with a rank comparable to master sergeant in the Army
  849. Senor
    a Spanish title or form of address for a man
  850. sense of humor
    the trait of appreciating the humorous
  851. sensor
    a device that responds to a signal or stimulus
  852. sensorimotor
    of or relating to the sensory and motor coordination of an organism or to the controlling nerves
  853. separator
    an apparatus that uses centrifugal force to separate particles from a suspension
  854. sergeant major
    a noncommissioned officer serving as chief administrative officer of a headquarters unit of the Army
  855. serratus anterior
    muscles that rotate the scapula and elevate the rib cage
  856. service door
    an entrance intended for the use of servants or for delivery of goods and removal of refuse
  857. servitor
    someone who performs the duties of an attendant for someone else
  858. settlor
    (law) a person who creates a trust by giving real or personal property in trust to a trustee for the benefit of a beneficiary; a person who gives such property is said to settle it on the trustee
  859. sheet anchor
    spare anchor for use in emergency
  860. shoot for
    have an ambitious plan or a lofty goal
  861. show the door
    ask to leave
  862. side door
    an exterior door at one side of a building
  863. signior
    used as an Italian courtesy title
  864. signor
    used as an Italian courtesy title
  865. simulator
    machine that models an environment for training or research
  866. snake doctor
    slender-bodied non-stinging insect having iridescent wings that are outspread at rest; adults and nymphs feed on mosquitoes etc.
  867. sodium-vapor lamp
    lamp in which an electric current passed through a tube of sodium vapor makes a yellow light; used is street lighting
  868. solar collector
    a concave mirror that concentrates the rays of the sun
  869. solicitor
    a British lawyer who gives legal advice
  870. solicitor general
    a law officer appointed to assist an attorney general
  871. sopor
    a torpid state resembling deep sleep
  872. spectator
    a close observer; someone who looks at something
  873. speculator
    one who makes risky investments in the hopes of high profits
  874. speed indicator
    a device on vehicles that measures how fast one is going
  875. spin doctor
    a public relations person who tries to forestall negative publicity by publicizing a favorable interpretation of the words or actions of a company or political party or famous person
  876. splendor
    the quality of being magnificent or grand
  877. sponsor
    an advocate who presents a person
  878. spoor
    the trail left by a person or an animal
  879. sports editor
    the newspaper editor responsible for sports news
  880. spreading factor
    an enzyme (trade name Hyazyme) that splits hyaluronic acid and so lowers its viscosity and increases the permeability of connective tissue and the absorption of fluids
  881. squalor
    sordid dirtiness
  882. stage director
    someone who supervises the actors and directs the action in the production of a stage show
  883. stage door
    an entrance to the backstage area of theater
  884. stand for
    express indirectly by an image, form, or model; be a symbol
  885. stator
    mechanical device consisting of the stationary part of a motor or generator in or around which the rotor revolves
  886. stentor
    any of several trumpet-shaped ciliate protozoans that are members of the genus Stentor
  887. stepping motor
    a motor that moves or rotates in small discrete steps
  888. sternutator
    a chemical substance that causes sneezing and coughing and crying
  889. stertor
    the act of snoring or producing a snoring sound
  890. storm door
    an extra outer door for protection against severe weather or winter
  891. straight razor
    a razor with a straight cutting edge enclosed in a case that forms a handle when the razor is opened for use
  892. stressor
    any agent that causes stress to an organism
  893. stretch receptor
    a receptor in a muscle that responds to stretching of the muscle tissue
  894. stridor
    a whistling sound when breathing
  895. stupor
    a state of being half-awake
  896. subcontractor
    someone who enters into a subcontract with the primary contractor
  897. subeditor
    an assistant editor
  898. subjugator
    a conqueror who defeats and enslaves
  899. successor
    a person who follows next in order
  900. succor
    assistance in time of difficulty
  901. suitor
    a man who courts a woman
  902. sun parlor
    a room enclosed largely with glass and affording exposure to the sun
  903. sun protection factor
    the degree to which a sunscreen protects the skin from the direct rays of the sun
  904. sun visor
    a shade affixed above the windshield of an automobile
  905. superior
    of high quality or performance
  906. superior colliculus
    an essential visual center between the retina and the striate cortex
  907. superior conjunction
    (astronomy) the alignment of the Earth and a planet on the opposite side of the sun
  908. superior court
    any court that has jurisdiction above an inferior court
  909. superior general
    the head of a religious order or congregation
  910. superior planet
    any of the planets whose orbit lies outside the earth's orbit
  911. superior vena cava
    receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins
  912. supervisor
    one who has charge and direction of
  913. supinator
    a muscle that produces or assists in supination
  914. suppressor
    someone who suppresses
  915. surge protector
    electrical device inserted in a power line to protect equipment from sudden fluctuations in current
  916. surge suppressor
    electrical device inserted in a power line to protect equipment from sudden fluctuations in current
  917. surveyor
    an engineer who determines boundaries and elevations of land
  918. survivor
    one who lives through affliction
  919. suspensor
    a support for the genitals worn by men engaging in strenuous exercise
  920. swing door
    a door that swings on a double hinge
  921. swinging door
    a door that swings on a double hinge
  922. synchronous motor
    electric motor in which the speed of rotation is proportional to the frequency of the A.C. power
  923. syncopator
    a musician who plays syncopated jazz music
  924. syndicator
    a businessman who forms a syndicate
  925. tabor
    a small drum with one head of soft calfskin
  926. tabor pipe
    a small fipple flute that is played with the left hand while the right hand is free to beat a tabor
  927. tabulator
    a calculator that keeps a record of the number of times something happens
  928. tailor
    a person whose occupation is making and altering garments
  929. tailor-made
    (of clothing) custom-made
  930. tailor-make
    create (clothes) with cloth
  931. take for
    keep in mind or convey as a conviction or view
  932. take the floor
    rise in order to make a speech or motion
  933. tandoor
    a clay oven used in northern India and Pakistan
  934. tangor
    large citrus tree having large sweet deep orange fruit that is easily peeled; widely cultivated in Florida
  935. Taylor
    12th President of the United States; died in office
  936. technicolor
    a trademarked method of making color motion pictures
  937. temblor
    vibration from underground movement along a fault plane
  938. tenor
    the adult male singing voice above baritone
  939. tenor clef
    a clef that puts middle C on the fourth line of the staff
  940. tensor
    any of several muscles that cause an attached structure to become tense or firm
  941. teres minor
    teres muscle that adducts the arm and rotates it laterally
  942. tergiversator
    a respondent who avoids giving a clear direct answer
  943. terminator
    someone who exterminates
  944. terror
    an overwhelming feeling of fear and anxiety
  945. testator
    a person who makes a will
  946. thalassemia major
    a fatal form of homozygous thalassemia (inherited from both parents) in which there is no hemoglobin; skeletal deformations; heart and spleen and liver enlarged
  947. therefor
    (in formal usage, especially legal usage) for that or for it
  948. Thermidor
    eleventh month of the Revolutionary calendar
  949. thermistor
    a semiconductor device made of materials whose resistance varies as a function of temperature; can be used to compensate for temperature variation in other components of a circuit
  950. thermoreceptor
    a sensory receptor that responds to heat and cold
  951. thermoregulator
    a regulator for automatically regulating temperature by starting or stopping the supply of heat
  952. Thor
    god of thunder and rain and farming
  953. threshing floor
    a floor or ground area for threshing or treading out grain
  954. thyme camphor
    a colorless crystalline solid used in perfume or preserving biological specimens or in embalming or medically as a fungicide or antiseptic
  955. thyrotropin-releasing factor
    hormone released by the hypothalamus that controls the release of thyroid-stimulating hormone from the anterior pituitary
  956. tibialis anterior
    a muscle running from the tibia to the first metatarsal and cuneiform bones
  957. tibialis posterior
    a deep muscle of the leg
  958. tissue plasminogen activator
    a thrombolytic agent (trade name Activase) that causes fibrinolysis at the site of a blood clot; used in treating acute myocardial infarction
  959. toll collector
    someone employed to collect tolls
  960. tongue depressor
    a thin depressor used to press the tongue down during an examination of the mouth and throat
  961. tor
    a prominent rock or pile of rocks on a hill
  962. toreador
    someone who fights bulls
  963. tormentor
    someone who causes others to suffer
  964. torpor
    a state of motor and mental inactivity
  965. tort-feasor
    a party who has committed a tort
  966. tortfeasor
    a party who has committed a tort
  967. totalisator
    computer that registers bets and divides the total amount bet among those who won
  968. totalizator
    computer that registers bets and divides the total amount bet among those who won
  969. tractor
    a wheeled vehicle with large wheels
  970. trafficator
    a blinking light on a motor vehicle that indicates the direction in which the vehicle is about to turn
  971. traitor
    a person who says one thing and does another
  972. transactor
    someone who conducts or carries on business or negotiations
  973. transferor
    (law) someone who conveys a title or property to another
  974. transgressor
    someone who violates a law or command
  975. transistor
    a semiconductor device capable of amplification
  976. translator
    a person who renders written messages in another language
  977. trap-door spider
    American spider that constructs a silk-lined nest with a hinged lid
  978. tremor
    an involuntary vibration, as if from illness or fear
  979. trial and error
    experimenting until a solution is found
  980. tricolor
    having or involving three colors
  981. trustor
    (law) a person who creates a trust by giving real or personal property in trust to a trustee for the benefit of a beneficiary; a person who gives such property is said to settle it on the trustee
  982. Tudor
    an English dynasty descended from Henry Tudor
  983. Tudor arch
    a low elliptical or pointed arch
  984. tumor
    an abnormal new mass of tissue that serves no purpose
  985. tumor necrosis factor
    a proinflammatory cytokine that is produced by white blood cells (monocytes and macrophages); has an antineoplastic effect but causes inflammation (as in rheumatoid arthritis)
  986. tumor virus
    a cell-free filtrate held to be a virus responsible for a specific neoplasm
  987. turbogenerator
    generator consisting of a steam turbine coupled to an electric generator for the production of electric power
  988. turgor
    (biology) the normal rigid state of fullness of a cell or blood vessel or capillary resulting from pressure of the contents against the wall or membrane
  989. turn indicator
    a blinking light on a motor vehicle that indicates the direction in which the vehicle is about to turn
  990. tutor
    a person who gives private instruction
  991. Ulan Bator
    the capital and largest city of Mongolia
  992. ulterior
    lying beyond what is openly revealed or avowed
  993. uncalled-for
    not required or requested
  994. uncared-for
    lacking needed care and attention
  995. unhoped-for
    so unexpected as to have not been imagined
  996. uniform resource locator
    the address of a web page on the world wide web
  997. universal donor
    a person whose type O Rh-negative blood may be safely transfused into persons with other blood types
  998. universal resource locator
    the address of a web page on the world wide web
  999. unlooked-for
    not anticipated
  1000. unwished-for
    not welcome
  1001. urinator
    a person who urinates
  1002. vaccinator
    a medical practitioner who inoculates people against diseases
  1003. vacillator
    one who hesitates (usually out of fear)
  1004. valor
    courage when facing danger
  1005. valuator
    one who estimates officially the worth or value or quality of things
  1006. Van de Graaff generator
    electrical device that produces a high voltage by building up a charge of static electricity
  1007. vapor
    a visible suspension in the air of particles of a substance
  1008. vapor density
    the density of a gas relative to the density of hydrogen
  1009. vapor lock
    a stoppage in a pipeline caused by gas bubbles
  1010. vapor pressure
    the pressure exerted by a vapor
  1011. vasoconstrictor
    any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure
  1012. vasodilator
    a drug that causes dilation of blood vessels
  1013. vasomotor
    relating to the nerves and muscles that cause the blood vessels to constrict or dilate
  1014. vasopressor
    any agent that produces vasoconstriction and a rise in blood pressure (usually understood as increased arterial pressure)
  1015. vat color
    a water-insoluble dye that is applied by reducing the dye to an alkaline form, applying the dye, then regenerating the insoluble dye by oxidation in the material; used for dyeing cotton
  1016. vaticinator
    an authoritative person who divines the future
  1017. vector
    a quantity that has magnitude and direction
  1018. vector algebra
    the part of algebra that deals with the theory of vectors and vector spaces
  1019. vector product
    a vector that is the product of two other vectors
  1020. vector sum
    a vector that is the sum of two or more other vectors
  1021. velociraptor
    small active carnivore that probably fed on protoceratops
  1022. vendor
    someone who exchanges goods or services for money
  1023. venerator
    someone who regards with deep respect or reverence
  1024. ventilator
    a device that introduces fresh air or expels foul air
  1025. vibrator
    a mechanical device that vibrates
  1026. vice chancellor
    a deputy or assistant to someone bearing the title of chancellor
  1027. victor
    a combatant who is able to defeat rivals
  1028. vigor
    forceful exertion
  1029. vindicator
    a person who argues to defend or justify some policy or institution
  1030. violator
    someone who breaks the law
  1031. vis major
    a natural and unavoidable catastrophe that interrupts the expected course of events
  1032. visiting professor
    a professor visiting another college or university to teach for a limited time
  1033. visitor
    someone who visits
  1034. visor
    a brim that projects to the front to shade the eyes
  1035. vitreous humor
    the clear colorless transparent jelly that fills the posterior chamber of the eyeball
  1036. vizor
    a brim that projects to the front to shade the eyes
  1037. vociferator
    a loud and vehement speaker (usually in protest)
  1038. voltage regulator
    a transformer whose voltage ratio of transformation can be adjusted
  1039. waist anchor
    spare anchor for use in emergency
  1040. warrantor
    one who provides a warrant or guarantee to another
  1041. warrior
    someone engaged in or experienced in warfare
  1042. water vapor
    water in a vaporous form diffused in the atmosphere but below boiling temperature
  1043. watercolor
    water-soluble pigment
  1044. weekend warrior
    a homeowner who acts as a contractor and tries to do major improvement projects on weekends (often without understanding the scope of the work to be done)
  1045. weigh anchor
    heave up an anchor in preparation for sailing
  1046. what for
    a strong reprimand
  1047. wicket door
    small gate or door
  1048. Wilms' tumor
    malignant renal tumor of young children characterized by hypertension and blood in the urine and the presence of a palpable mass
  1049. Windsor
    the British royal family since 1917
  1050. Windsor chair
    straight chair having a shaped seat and a back of many spindles
  1051. Windsor green
    a light chrome green pigment
  1052. Windsor knot
    a wide triangular slipknot for tying a tie
  1053. Windsor tie
    a wide necktie worn in a loose bow
  1054. witch doctor
    someone who is believed to heal through magical powers
  1055. word of honor
    a promise
  1056. word processor
    an application that provides the user with tools needed to write and edit and format text and to send it to a printer
  1057. writ of error
    a judicial writ from an appellate court ordering the court of record to produce the records of trial
  1058. zone of interior
    the part of the theater of war not included in the theater of operations
Created on Sat Aug 28 23:42:17 EDT 2010 (updated Sun Aug 29 21:19:43 EDT 2010)

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