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Science words in the EU nomenclature - ALL

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  1. abdominal
    relating to or near the middle region of the body
  2. absorbent
    having power or capacity or tendency to absorb or soak up something (liquids or energy etc.)
  3. accelerator
    a pedal that controls the throttle valve
  4. accumulator
    a voltaic battery that stores electric charge
  5. acebutolol
    an oral beta blocker used in treating hypertension
  6. acetamide
    a colorless solid amide of acetic acid used as a solvent and in the synthesis of organic compounds
  7. acetanilide
    a white crystalline compound used as an analgesic and also as an antipyretic
  8. acetate
    a fabric made from fibers of cellulose acetate
  9. acetic acid
    a colorless pungent liquid widely used in manufacturing plastics and pharmaceuticals
  10. acetone
    the simplest ketone
  11. acetous
    tasting or smelling like vinegar
  12. acetyl
    the organic group of acetic acid (CH3CO-)
  13. acetyl group
    the organic group of acetic acid (CH3CO-)
  14. acetylcholine
    a neurotransmitter that is a derivative of choline
  15. acid
    a sour water-soluble compound with a pH of less than 7
  16. acidity
    the property of being acidic
  17. acrylate
    a salt or ester of propenoic acid
  18. activate
    put in motion
  19. activator
    any agency bringing about activation
  20. acute
    ending in a sharp point
  21. acyclic
    not cyclic
  22. adenosine
    a nucleoside that is a structural component of nucleic acids
  23. adhesion
    the property of sticking together
  24. aerate
    fill, combine, or supply with oxygen
  25. Agaricus
    type genus of Agaricaceae
  26. agglomerate
    form into one cluster
  27. alanine
    a crystalline amino acid that occurs in many proteins
  28. albumin
    a water-soluble protein found in many animal tissues and liquids
  29. alcohol
    a volatile compound made by distillation
  30. alcoholic
    characteristic of or containing volatile hydroxyl compounds
  31. aldehyde
    any of a class of highly reactive chemical compounds
  32. aldosterone
    a corticosteroid hormone that is secreted by the cortex of the adrenal gland; regulates salt (sodium and potassium) and water balance
  33. algae
    primitive chlorophyll-containing aquatic organisms
  34. alginic acid
    a gum used especially as a thickener or emulsifier
  35. aliphatic
    having carbon atoms linked in open chains
  36. alkali
    any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water
  37. alkaline
    relating to or containing an alkali
  38. alkaloid
    natural bases containing nitrogen found in plants
  39. allopurinol
    a drug (trade name Zyloprim) used to treat gout and other conditions in which there is an excessive buildup of uric acid
  40. alloy
    a mixture containing two or more metallic elements
  41. alloy steel
    steel who characteristics are determined by the addition of other elements in addition to carbon
  42. allyl
    the univalent unsaturated organic radical C3H5
  43. aloe
    succulent plant having rosettes of leaves and showy flowers
  44. alpaca
    domesticated mammal with long silky fleece
  45. alpha
    the 1st letter of the Greek alphabet
  46. alpine
    relating to or characteristic of high mountains
  47. alprazolam
    an antianxiety agent of the benzodiazepine class
  48. aluminium
    a silvery, flexible, metallic element
  49. amalgam
    a combination or blend of diverse things
  50. amber
    a hard yellowish to brownish translucent fossil resin
  51. amide
    any organic compound containing the group -CONH2
  52. amine
    a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals
  53. amino
    pertaining to or containing any of a group of organic compounds of nitrogen derived from ammonia
  54. aminophylline
    a theophylline derivative that is used as a bronchodilator in the treatment of bronchial asthma, emphysema, and bronchitis
  55. amiodarone
    an antiarrhythmic drug (trade name Cordarone) that has potentially fatal side effects and is used to control serious heart rhythm problems only when safer agents have been ineffective
  56. amitriptyline
    a tricyclic antidepressant drug with serious side effects
  57. ammoniacal
    pertaining to or containing or similar to ammonia
  58. ammonium
    an ion of nitrogen and hydrogen found in many salts and fertilizers
  59. ammonium chloride
    a white salt used in dry cells
  60. ammonium nitrate
    used as an explosive and fertilizer and rocket propellant
  61. amobarbital
    a barbiturate with sedative and hypnotic effects
  62. amorphous
    having no definite form or distinct shape
  63. amoxicillin
    an antibiotic
  64. amphotericin
    an antibiotic and antifungal agent
  65. ampicillin
    semisynthetic penicillin
  66. amplifier
    electronic equipment that increases strength of signals
  67. amplify
    increase the volume of
  68. amrinone
    a drug used intravenously in heart failure
  69. analogue
    something similar or equivalent to something else
  70. analysis
    abstract separation of something into its various parts
  71. angiotensin
    any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels
  72. anhydride
    a compound formed from one or more other compounds in a reaction resulting in removal of water
  73. anhydrous
    without water; especially without water of crystallization
  74. aniline
    oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines
  75. animal fat
    any fat obtained from animals
  76. anneal
    bring to a desired consistency by heating and cooling
  77. antenna
    one of a pair of mobile appendages on the head of insects
  78. anterior
    of or near the head end or toward the front plane of a body
  79. antibiotic
    a substance used to kill microorganisms and cure infections
  80. antibody
    a protein that produces an immune response
  81. antimony
    a metallic element having four allotropic forms
  82. antioxidant
    a substance that hinders oxygen reactions
  83. apomorphine
    a morphine derivative that is not as strong as morphine
  84. appendage
    a part that is joined to something larger
  85. apricot
    a yellow to rosy-colored fruit resembling a small peach
  86. aquatic
    operating or living or growing in water
  87. aqueous
    similar to or containing or dissolved in water
  88. aqueous solution
    a solution in water
  89. areca
    any of several tall tropical palms native to southeastern Asia having egg-shaped nuts
  90. arginine
    a bitter tasting amino acid found in proteins and necessary for nutrition; its absence from the diet leads to a reduced production of spermatozoa
  91. armoured
    protected by armor (used of persons or things military)
  92. aromatic
    having a strong pleasant odor
  93. arrowroot
    white-flowered West Indian plant whose root yields starch
  94. arsenic
    a very poisonous metallic element
  95. arsenide
    a compound of arsenic with a more positive element
  96. ascorbic acid
    a vitamin found in fresh fruits and vegetables
  97. asparagine
    a crystalline amino acid found in proteins and in many plants (e.g., asparagus)
  98. aspartic acid
    a crystalline amino acid found in proteins and occurring naturally in sugar beets and sugar cane
  99. aspect ratio
    the ratio of the width to the height of a tv picture
  100. atenolol
    an oral beta blocker (trade name Tenormin) used in treating hypertension and angina; has adverse side effects (depression and exacerbation of congestive heart failure etc.)
  101. atmospheric
    relating to or located in the mass of air surrounding Earth
  102. atmospheric pressure
    the pressure exerted by the atmosphere
  103. atom
    the smallest component of an element
  104. atomic
    relating to the smallest component of an element
  105. atomic number
    quantity of protons in the nucleus of an atom of an element
  106. atorvastatin
    an oral drug that is effective in lowering triglycerides
  107. atropine
    a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides
  108. aubergine
    a plant that grows edible, dark-purple fruit
  109. audio
    a transmitted signal you can hear
  110. authenticate
    establish the undisputed credibility of something
  111. axle
    a shaft on which a wheel rotates
  112. azathioprine
    an immunosuppressive drug (trade name Imuran) used to prevent rejection of a transplanted organ
  113. azide
    a chemical compound containing the azido group combined with an element or radical
  114. azido
    relating to or containing the azido group N3
  115. azithromycin
    a systemic antibacterial medicine (trade name Zithromax) that is prescribed to treat bacterial infections in many different parts of the body
  116. azo dye
    any dye containing one or more azo groups
  117. aztreonam
    an antibiotic used against severe infections
  118. bacitracin
    a polypeptide antibiotic of known chemical structure effective against several types of Gram-positive organisms; usually applied locally
  119. backbone
    the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
  120. bacteria
    single-celled organisms that can cause disease
  121. balata
    a tropical hardwood tree yielding balata gum and heavy red timber
  122. ball bearing
    bearings containing small metal balls
  123. balsa
    forest tree of lowland Central America having a strong very light wood; used for making floats and rafts and in crafts
  124. barbital
    a barbiturate used as a hypnotic
  125. barbiturate
    organic compound having powerful soporific effect
  126. barometer
    an instrument that measures atmospheric pressure
  127. basil
    edible leaves of an aromatic herb, used fresh or dried
  128. beet
    biennial Eurasian plant usually having a swollen edible root
  129. beet sugar
    sugar made from sugar beets
  130. benzene
    a colorless liquid hydrocarbon
  131. benzoate
    any salt or ester of benzoic acid
  132. benzocaine
    a white crystalline ester used as a local anesthetic
  133. benzodiazepine
    any of several similar lipophilic amines used as tranquilizers or sedatives or hypnotics or muscle relaxants; chronic use can lead to dependency
  134. benzofuran
    a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins
  135. benzoic acid
    a white crystalline solid occurring in many resins
  136. benzol
    a colorless liquid hydrocarbon
  137. benzyl
    the univalent radical derived from toluene
  138. benzylpenicillin
    the penicillin that constitutes the principal component of many commercial antibiotics
  139. beryllium
    a light strong brittle grey toxic bivalent metallic element
  140. beta
    the second letter of the Greek alphabet
  141. betaine
    a sweet tasting alkaloid that occurs in sugar beets
  142. betel
    Asian pepper plant whose dried leaves are chewed with betel nut (seed of the betel palm) by southeast Asians
  143. bias
    a partiality preventing objective consideration of an issue
  144. binary
    of or pertaining to a number system having 2 as its base
  145. biochemical
    involving chemical processes in living organisms
  146. biotin
    a B vitamin that aids in body growth
  147. bismuth
    a heavy brittle diamagnetic trivalent metallic element
  148. bitartrate
    an acid tartrate; a hydrogen tartrate
  149. bituminous
    resembling or containing bitumen
  150. bituminous coal
    fossil fuel rich in tarry hydrocarbons
  151. bladder
    a distensible membranous sac
  152. bleach
    make whiter or lighter
  153. bobbin
    a spool around which thread or other material can be wound
  154. bonding
    the act of fastening firmly together
  155. bonito
    fish whose flesh is dried and flaked for Japanese cookery
  156. borage
    hairy blue-flowered European annual herb long used in herbal medicine and eaten raw as salad greens or cooked like spinach
  157. borate
    a salt or ester of boric acid
  158. boric
    of or relating to or derived from or containing boron
  159. boron
    a trivalent metalloid element
  160. bovine
    any of various wild or domestic cattle
  161. brain
    the organ that is the center of the nervous system
  162. brazil nut
    tall South American tree bearing brazil nuts
  163. breastbone
    the flat bone that articulates with the clavicles and the first seven pairs of ribs
  164. brine
    a strong solution of salt and water used for pickling
  165. bristle
    a stiff hair
  166. broadtail
    hardy coarse-haired sheep of central Asia
  167. bromide
    a trite or obvious remark
  168. bronze
    an alloy of copper and tin and sometimes other elements
  169. buckwheat
    an annual Asian plant with edible seeds and pinkish-white flowers
  170. buffer
    protect from impact
  171. burr
    seed vessel having hooks or prickles
  172. buspirone
    a drug (trade name BuSpar) designed specifically for anxiety
  173. butane
    a flammable alkane that occurs in natural gas
  174. butanoic acid
    an unpleasant smelling fatty acid found especially in butter
  175. butterfat
    the fatty substance of milk from which butter is made
  176. butyl
    a hydrocarbon radical (C4H9)
  177. butylate
    introduce the butyl group into a chemical compound
  178. cadmium
    a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores
  179. calcine
    heat a substance so that it oxidizes or reduces
  180. calcitonin
    thyroid hormone that tends to lower the level of calcium in the blood plasma and inhibit resorption of bone
  181. calcium
    a white metallic element that burns with a brilliant light
  182. calcium nitrate
    a deliquescent salt that is soluble in water
  183. calibrate
    make fine adjustments for optimal measuring
  184. caliper
    an instrument for measuring the distance between two points
  185. calorific
    of or relating to the energy in food
  186. camphor
    a resin obtained from the camphor tree
  187. camphorate
    treat with camphor
  188. cane sugar
    sucrose obtained from sugar cane
  189. capacitor
    an electrical device characterized by its capacity to store an electric charge
  190. Capsicum
    chiefly tropical perennial shrubby plants having many-seeded fruits: sweet and hot peppers
  191. captopril
    a drug (trade name Capoten) that blocks the formation of angiotensin in the kidneys resulting in vasodilation; used in the treatment of hypertension and congestive heart failure
  192. caracul
    hardy coarse-haired sheep of central Asia
  193. carambola
    East Indian tree bearing deeply ridged yellow-brown fruit
  194. carbamate
    a salt (or ester) of carbamic acid
  195. carbide
    a binary compound of carbon with a more electropositive element
  196. carbomycin
    a colorless basic antibiotic that inhibits the growth of Gram-positive organisms
  197. carbon
    an abundant nonmetallic element in all organic compounds
  198. carbon atom
    an atom of carbon
  199. carbonate
    treat with carbon dioxide
  200. carbonyl
    a compound containing metal combined with carbon monoxide
  201. carboxylate
    treat (a chemical compound) with carboxyl or carboxylic acid
  202. carboxylic
    relating to or containing the carboxyl group or carboxyl radical
  203. carboxylic acid
    an organic acid characterized by one or more carboxyl groups
  204. carpal
    of or relating to the wrist
  205. carpal bone
    any of the eight small bones of the wrist of primates
  206. carvedilol
    beta blocker that can reduce the progression of heart failure in individuals whose disease is not advanced
  207. casein
    a milk protein used in making e.g. plastics and adhesives
  208. cash crop
    a cultivated plant that is grown to be sold for profit
  209. cashew
    a kidney-shaped nut
  210. cassette
    a flat case holding magnetic tape for playing sound or video
  211. castor
    a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
  212. castor oil
    a purgative extracted from the seed of the castor-oil plant
  213. catalyst
    substance that initiates or accelerates a chemical reaction
  214. catgut
    a strong cord made from the intestines of sheep and used in surgery
  215. cathode
    a negatively charged electrode that is the source of electrons entering an electrical device
  216. cathode-ray tube
    a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen
  217. caudal
    constituting or relating to a tail
  218. caudal vertebra
    one of 4 vertebrae in the human coccyx
  219. caustic
    capable of destroying or eating away by chemical action
  220. caustic potash
    a potassium compound often used in agriculture and industry
  221. caustic soda
    a strongly alkaline caustic used in manufacturing soap and paper and aluminum and various sodium compounds
  222. CD-ROM
    a compact disk that is used with a computer
  223. cefadroxil
    a cephalosporin antibiotic (trade name Ultracef)
  224. cefoperazone
    a parenteral cephalosporin used for severe infections
  225. cefotaxime
    a parenteral cephalosporin (trade name Claforan) used for severe infections of the lungs or throat or ears or urinary tract
  226. ceftazidime
    a parenteral cephalosporin used to treat moderate infections
  227. ceftriaxone
    a parenteral cephalosporin (trade name Rocephin) used for severe infection of the lungs or throat or ears or urinary tract
  228. cefuroxime
    a cephalosporin that can be given parenterally (trade name Zinacef) or orally by tablets (trade name Ceftin); indicated for infections of the lungs or throat or ears or urinary tract or meninges
  229. celecoxib
    a Cox-2 inhibitor (trade name Celebrex) that relieves pain and inflammation without harming the digestive tract
  230. cell
    the basic structural and functional unit of all organisms
  231. cellular
    relating to cells
  232. cellulose
    a polysaccharide that is the chief constituent of all plant tissues and fibers
  233. cellulose acetate
    an ester of acetic acid
  234. central processing unit
    the part of a computer that does most of the data processing
  235. centrifugal
    tending to move away from the middle
  236. centrifugal force
    the outward force on a body moving in a curved path around another body
  237. cephalosporin
    one of several broad spectrum antibiotic substances obtained from fungi and related to penicillin (trade names Mefoxin); addition of side chains has produced semisynthetic antibiotics with greater antibacterial activity
  238. ceramic
    an artifact made of clay baked at a high temperature
  239. cereal
    grass whose starchy grains are used as food: wheat
  240. cerium
    a ductile grey metallic element of the lanthanide series
  241. cerivastatin
    an oral drug to reduce blood cholesterol levels
  242. cervical
    relating to or associated with the neck
  243. cervical vertebra
    one of 7 vertebrae in the human spine located in the neck region
  244. cesium
    a soft silver-white ductile metallic element
  245. cetrimide
    a cationic detergent that is a powerful disinfectant
  246. chamois
    hoofed mammal of mountains of Eurasia having upright horns with backward-hooked tips
  247. charcoal
    a carbonaceous material obtained by heating wood or other organic matter in the absence of air
  248. chassis
    the skeleton of a motor vehicle
  249. chemical
    produced by reactions involving atomic or molecular changes
  250. chemical compound
    (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
  251. chemical element
    any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
  252. chemical process
    (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
  253. chemical reaction
    a process in which substances are changed into others
  254. chemical substance
    material produced by or used in a reaction involving changes in atoms or molecules
  255. chemically
    with respect to chemistry
  256. chervil
    aromatic annual Old World herb cultivated for its finely divided and often curly leaves for use especially in soups and salads
  257. chicle
    gum-like substance from the sapodilla
  258. chine
    backbone of an animal
  259. Chinese lantern
    a collapsible paper lantern in bright colors
  260. chlorambucil
    an alkalating agent used to treat some kinds of cancer
  261. chloramphenicol
    an oral antibiotic used to treat serious infections
  262. chlordiazepoxide
    a tranquilizer used in the treatment of alcoholism
  263. chlorhexidine
    a long-lasting liquid antiseptic
  264. chloride
    any compound containing a chlorine atom
  265. chlorite
    a generally green or black mineral
  266. chlorobenzene
    a colorless volatile flammable liquid with an almond odor that is made from chlorine and benzene; used as a solvent and in the production of phenol and DDT and other organic compounds
  267. chloroquine
    an antimalarial drug used to treat malaria and amebic dysentery and systemic lupus erythematosus
  268. chlorothiazide
    a diuretic drug (trade name Diuril) used in the treatment of edema and hypertension
  269. chlorpromazine
    a drug (trade name Thorazine) derived from phenothiazine that has antipsychotic effects and is used as a sedative and tranquilizer
  270. chlortetracycline
    a yellow crystalline antibiotic (trade name Aureomycin) used to treat certain bacterial and rickettsial diseases
  271. cholesterol
    a substance in the blood that can cause heart disease
  272. choline
    a B-complex vitamin that is a constituent of lecithin
  273. chorionic
    of or relating to a chorion
  274. chromate
    any salt or ester of chromic acid
  275. chromium
    a hard brittle multivalent metallic element
  276. chromium steel
    steel containing chromium that makes it resistant to corrosion
  277. chromosome
    a threadlike strand of DNA that carries genes
  278. cimetidine
    a drug (trade name Tagamet) used to treat peptic ulcers by decreasing the secretion of stomach acid
  279. ciprofloxacin
    an oral antibiotic (trade name Cipro) used against serious bacterial infections of the skin or respiratory tract or urinary tract or bones or joints
  280. circuit board
    a printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilities
  281. citrate
    a salt or ester of citric acid
  282. citrus
    a tropical tree cultivated for its juicy edible fruits
  283. cleavage
    the act of splitting
  284. clinical
    relating to or based on direct observation of patients
  285. clipper
    scissors for cutting hair or finger nails
  286. clofibrate
    a drug that reduces lipids in the blood serum
  287. clomipramine
    a tricyclic antidepressant drug
  288. clonidine
    an antihypertensive (trade name Catapres) that can be administered orally or via transdermal patches
  289. closure
    termination of operations
  290. clozapine
    an antipsychotic drug (trade name Clozaril) used as a sedative and for treatment-resistant schizophrenia; know to have few side effects
  291. coagulant
    an agent that produces coagulation
  292. coagulation
    the process of forming semisolid lumps in a liquid
  293. coagulation factor
    any of the factors in the blood whose actions are essential for blood coagulation
  294. cobalt
    a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
  295. cocarboxylase
    a coenzyme important in respiration in the Krebs cycle
  296. coconut
    large hard-shelled oval nut with a fibrous husk containing thick white meat surrounding a central cavity filled (when fresh) with fluid or milk
  297. cocoon
    silky envelope spun by the larvae of many insects
  298. codeine
    derivative of opium; used as an antitussive and an analgesic
  299. coefficient
    a constant number that serves as a measure of some property
  300. coherent
    marked by an orderly and consistent relation of parts
  301. cohesion
    the state of sticking together
  302. cola
    carbonated drink flavored with extract from kola nuts
  303. colloidal solution
    a colloid that has a continuous liquid phase in which a solid is suspended in a liquid
  304. colostomy
    a surgical operation that creates an opening from the colon to the surface of the body to function as an anus
  305. columbium
    a former name for niobium
  306. colza
    Eurasian plant cultivated for its seed and as a forage crop
  307. common salt
    a white crystalline solid consisting mainly of sodium chloride (NaCl)
  308. common wheat
    widely cultivated in temperate regions in many varieties for its commercially important grain
  309. compatible
    able to exist and perform in harmonious combination
  310. complementary
    serving to fill out, enhance, or supply what is lacking
  311. component
    one of the individual parts making up a larger entity
  312. composite
    consisting of separate interconnected parts
  313. compound
    a whole formed by a union of two or more elements or parts
  314. compression
    the act of applying force
  315. computation
    the procedure of calculating
  316. concordance
    a harmonious state of things and of their properties
  317. condensation
    process of changing from a gas to a liquid or solid state
  318. conductivity
    the property of transmitting heat, electricity, or sound
  319. conjugate
    undergo the act of becoming a single unit
  320. connector
    an instrumentality that connects
  321. contact lens
    a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication
  322. contraceptive
    an agent or device intended to prevent conception
  323. convex
    curving or bulging outward
  324. copolymer
    a polymer consisting of two or more different monomers
  325. copper
    a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor
  326. cordless
    not having a light insulated conductor for household use
  327. Coregonus
    type genus of the Coregonidae: whitefishes
  328. corozo
    any of several tropical American palms bearing corozo nuts
  329. cortisone
    a corticosteroid hormone (trade name Cortone Acetate) normally produced by the adrenal cortex; is converted to hydrocortisone
  330. corynebacterium
    any species of the genus Corynebacterium
  331. Corynebacterium diphtheriae
    a species of bacterium that causes diphtheria
  332. cosmetic
    serving a decorative rather than a useful purpose
  333. coumarone
    a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins
  334. coupler
    a mechanical device that serves to connect the ends of adjacent objects
  335. coupling
    the act of pairing a male and female for reproductive purposes
  336. cranial
    relating to the part of the skull that encloses the brain
  337. cranium
    the part of the skull that encloses the brain
  338. crayfish
    small freshwater decapod crustacean that resembles a lobster
  339. cress
    any of various plants of the family Cruciferae with edible leaves that have a pungent taste
  340. crossbreed
    the offspring of genetically dissimilar parents or stock
  341. crustacean
    mainly aquatic arthropod usually having a segmented body
  342. crystalline
    consisting of or containing or of the nature of crystals
  343. crystallisation
    the formation of crystals
  344. cubeb
    tropical southeast Asian shrubby vine bearing spicy berrylike fruits
  345. cucumber
    a melon vine of the genus Cucumis
  346. curd
    coagulated milk; used to make cheese
  347. cyanamide
    a weak soluble dibasic acid
  348. cyanide
    any of a class of organic compounds containing the cyano radical -CN
  349. cyanocobalamin
    a B vitamin that is used to treat pernicious anemia
  350. cyanogen
    a colorless toxic gas with a pungent almond odor
  351. cyclic
    marked by repeated series of events
  352. cyclopropane
    a colorless flammable gas sometimes used as an inhalation anesthetic
  353. cycloserine
    an antibiotic that is especially active against the tubercle bacillus
  354. cyproheptadine
    an antihistamine used to treat some allergic reactions
  355. cysteine
    an amino acid containing sulfur that is found in most proteins; oxidizes on exposure to air to form cystine
  356. cytidine
    a nucleoside component of DNA
  357. cytosine
    a base found in DNA and RNA and derived from pyrimidine
  358. dapsone
    antibacterial drug used to treat leprosy and some kinds of skin diseases
  359. data
    a collection of facts from which conclusions may be drawn
  360. data processing
    (computer science) a series of operations on data by a computer in order to retrieve or transform or classify information
  361. DDT
    an insecticide that is also toxic to animals and humans
  362. delavirdine
    a non-nucleoside reverse transcriptase inhibitor (trade name Rescriptor) used to treat AIDS and HIV
  363. delta
    the 4th letter of the Greek alphabet
  364. denaturant
    any substance that serves as a denaturing agent
  365. denature
    modify (as a native protein) especially by heat, acid, alkali, or ultraviolet radiation so that all of the original properties are removed or diminished
  366. density
    the amount per unit size
  367. dental
    of or relating to the teeth
  368. dental appliance
    a device to repair teeth or replace missing teeth
  369. dentist
    a person qualified to practice dentistry
  370. dentistry
    the branch of medicine dealing with the anatomy and development and diseases of the teeth
  371. deoxythymidine
    a nucleoside component of DNA
  372. derivative
    a compound obtained from another compound
  373. desipramine
    a tricyclic antidepressant drug that activates the psychomotor system
  374. detergent
    a cleansing agent that differs from soap
  375. dexamethasone
    a corticosteroid drug (trade names Decadron or Dexamethasone Intensol or Dexone or Hexadrol or Oradexon) used to treat allergies or inflammation
  376. dextrin
    any of various polysaccharides obtained by hydrolysis of starch; a tasteless and odorless gummy substance that is used as a thickening agent and in adhesives and in dietary supplements
  377. dextrose
    an isomer of glucose that is found in honey and sweet fruits
  378. diabetic
    someone who has diabetes
  379. diagnosis
    identifying the nature or cause of some phenomenon
  380. diagnostic
    concerned with identifying the nature or cause of something
  381. diamine
    any organic compound containing two amino groups
  382. diaphragm
    a muscular partition in the chest used in respiration
  383. diazepam
    a tranquilizer used to relieve anxiety and relax muscles
  384. diazonium
    the univalent cation R-N:N-
  385. dichloride
    a compound containing two chlorine atoms per molecule
  386. dichromate
    a salt of the hypothetical dichromic acid
  387. dicloxacillin
    antibacterial (trade name Dynapen) used to treat staphylococcal infections that are resistant to penicillin
  388. dicoumarol
    an anticoagulant drug that has now been largely replaced by warfarin
  389. didanosine
    an antiviral drug used to combat HIV infection
  390. dietetic
    of or relating to the diet
  391. differential
    a quality that distinguishes between similar things
  392. diffuse
    spread out; not concentrated in one place
  393. diflunisal
    nonsteroidal anti-inflammatory (trade name Dolobid) used to treat arthritis and other inflammatory conditions
  394. digit
    a finger or toe, or a corresponding body part
  395. digitoxin
    digitalis preparation used to treat congestive heart failure or cardiac arrhythmia
  396. digoxin
    digitalis preparation (trade name Lanoxin) used to treat congestive heart failure or cardiac arrhythmia; helps the heart beat more forcefully
  397. dill
    aromatic Old World herb having aromatic threadlike foliage and seeds used as seasoning
  398. diltiazem
    a calcium blocker (trade name Cardizem) used in treating hypertension or angina or heart failure
  399. dilute
    lessen the strength or flavor of a solution or mixture
  400. dilution
    a solution reduced in strength or concentration
  401. dimenhydrinate
    antihistamine and antiemetic used to treat motion sickness
  402. diode
    a thermionic tube having two electrodes; used as a rectifier
  403. diol
    any of a class of alcohols having 2 hydroxyl groups in each molecule
  404. dioxide
    an oxide containing two atoms of oxygen in the molecule
  405. diphenhydramine
    antihistamine (trade name Benadryl) used to treat allergic reactions involving the nasal passages (hay fever) and also to treat motion sickness
  406. disassemble
    take apart
  407. dispersion
    spreading widely or driving off
  408. distemper
    any of various infectious viral diseases of animals
  409. distributor
    a person with authority to allot or deal out or apportion
  410. disulfiram
    a drug used in the treatment of alcoholism
  411. DNA
    material that carries genetic information in a cell
  412. dopamine
    a monoamine neurotransmitter found in the brain and essential for the normal functioning of the central nervous system; as a drug (trade names Dopastat and Intropin) it is used to treat shock and hypotension
  413. dorsal
    on or near the back of an animal or organ
  414. dorsal vertebra
    one of 12 vertebrae in the human vertebral column
  415. dosage
    a measured portion of medicine taken at any one time
  416. dose
    a measured portion of medicine taken at any one time
  417. double salt
    a solution of two simple salts that forms a single substance on crystallization
  418. doxazosin
    an antihypertensive drug (trade name Cardura) that works by relaxing blood vessels so that blood passes through them more easily; it is also used to treat benign prostatic hyperplasia
  419. doxepin
    a tricyclic antidepressant with numerous side effects
  420. doxorubicin
    an antibiotic used as an anticancer drug
  421. doxycycline
    an antibiotic derived from tetracycline that is effective against many infections
  422. dromedary
    a camel with a single hump
  423. durum
    wheat with hard dark-colored kernels high in gluten and used for bread and pasta; grown especially in southern Russia, North Africa, and northern central North America
  424. durum wheat
    wheat with hard dark-colored kernels high in gluten and used for bread and pasta; grown especially in southern Russia, North Africa, and northern central North America
  425. E. coli
    a species of bacterium normally present in intestinal tract of humans and other animals
  426. earphone
    electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear
  427. edible fat
    oily or greasy matter making up the bulk of fatty tissue in animals and in seeds and other plant tissue
  428. eel
    voracious snakelike marine or freshwater fishes with smooth slimy usually scaleless skin and having a continuous vertical fin but no ventral fins
  429. elastic
    capable of resuming shape after stretching or compression
  430. electric
    using or providing the flow of charge through a conductor
  431. electric field
    a field of force surrounding a charged particle
  432. electric motor
    a motor that converts electricity to mechanical work
  433. electric shaver
    a razor powered by an electric motor
  434. electrical
    relating to or concerned with electricity
  435. electromechanical
    of or relating to or involving an electrically operated mechanical device
  436. electronic
    relating to or operating by a controlled current
  437. electronics
    equipment that involves the controlled conduction of electrons (especially in a gas or vacuum or semiconductor)
  438. electropositive
    having a positive charge
  439. element
    a substance that cannot be separated into simpler substances
  440. elk
    one of the largest species of deer in North America
  441. elongation
    the act of lengthening something
  442. embed
    fix or set securely or deeply
  443. emulsifier
    a surface-active agent that promotes the formation of an emulsion
  444. emulsion
    a mixture of liquids that do not normally stay mixed
  445. enalapril
    an ACE inhibitor (trade name Vasotec) that blocks the formation of angiotensin in the kidney and so results in vasodilation; administered after heart attacks
  446. enamel
    any smooth glossy coating that resembles ceramic glaze
  447. encainide
    antiarrhythmic drug (trade name Enkaid) used to treat life-threatening arrhythmias but increases the risk of sudden death in heart attack patients
  448. enflurane
    a nonflammable liquid (trade name Ethrane) used as an inhalation general anesthetic
  449. enol
    an organic compound that contains a hydroxyl group bonded to a carbon atom which in turn is doubly bonded to another carbon atom
  450. enterotoxin
    a cytotoxin specific for the cells of the intestinal mucosa
  451. enzymatic
    of or relating to or produced by an enzyme
  452. enzyme
    a complex protein produced by cells that acts as a catalyst
  453. ephedrine
    white odorless powdered or crystalline alkaloid from plants of the genus Ephedra (especially Ephedra sinica) or made synthetically; used as a bronchodilator to treat bronchitis and asthma
  454. epinephrine
    hormone secreted by the adrenal gland in response to stress
  455. epoxy
    a strong glue
  456. EPROM
    (computer science) a read-only memory chip that can be erased by ultraviolet light and programmed again with new data
  457. epsilon
    the 5th letter of the Greek alphabet
  458. equine
    relating to or resembling a horse
  459. ergotamine
    an alkaloid derived from ergot that is less toxic than ergot
  460. erythromycin
    an antibiotic (trade name Erythrocin or E-Mycin or Ethril or Ilosone or Pediamycin) obtained from the actinomycete Streptomyces erythreus; effective against many Gram-positive bacteria and some Gram-negative
  461. escapement
    mechanical device that regulates movement
  462. esmolol
    intravenous beta blocker that acts for only a short time
  463. essential oil
    an oil having the odor or flavor of the plant from which it comes; used in perfume and flavorings
  464. estazolam
    a frequently prescribed sleeping pill (trade name ProSom)
  465. ester
    formed by reaction between an acid and an alcohol with elimination of water
  466. esterify
    change (a compound) into an ester
  467. estradiol
    the most powerful female hormone that occurs naturally
  468. estriol
    a naturally occurring estrogenic hormone
  469. estrone
    a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiency
  470. ethane
    a colorless odorless alkane gas used as fuel
  471. ethanol
    colorless flammable liquid used as a solvent or intoxicant
  472. ethchlorvynol
    a mild sedative-hypnotic drug (trade name Placidyl)
  473. ethene
    a flammable colorless gaseous alkene
  474. ether
    compound with an oxygen atom linking two hydrocarbon groups
  475. ethosuximide
    an anticonvulsant drug used to treat petit mal epilepsy
  476. ethyl
    the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom
  477. ethyl acetate
    a fragrant colorless flammable volatile liquid ester made from ethanol and acetic acid; used in flavorings and perfumes and as a solvent for plastics
  478. ethylene
    a flammable colorless gaseous alkene
  479. etodolac
    a nonsteroidal anti-inflammatory drug (trade name Lodine)
  480. eucalyptus
    a Australasian tree valued for its timber and scented oil
  481. Euthynnus
    a genus of Scombridae
  482. evaporate
    change into gas or steam
  483. eviscerate
    remove the entrails of
  484. exotoxin
    a toxin that is secreted by microorganisms into the surrounding medium
  485. extinction
    the state of being no longer in existence
  486. faceplate
    a protective covering for the front of a machine or device
  487. facsimile
    an exact copy or reproduction
  488. famotidine
    a histamine blocker (trade name Pepcid) used to treat peptic ulcers and gastritis and esophageal reflux
  489. fatty
    containing or composed of fat
  490. fatty acid
    any of a class of aliphatic monocarboxylic acids that form part of a lipid molecule and can be derived from fat by hydrolysis; fatty acids are simple molecules built around a series of carbon atoms linked together in a chain of 12 to 22 carbon atoms
  491. fatty tissue
    a kind of body tissue containing stored fat that serves as a source of energy; it also cushions and insulates vital organs
  492. feeder
    an outdoor device that supplies food for wild birds
  493. femur
    the thigh bone of the human skeleton
  494. fennel
    any of several aromatic herbs having edible seeds and leaves and stems
  495. fenoprofen
    a nonsteroidal anti-inflammatory drug (trade name Nalfon) used in the treatment of arthritis and other painful inflammatory disorders
  496. ferment
    cause to undergo the breakdown of sugar into alcohol
  497. fermentation
    breaking down an organic substance, as sugar into alcohol
  498. ferric
    of or relating to or containing iron
  499. ferrous
    of or relating to or containing iron
  500. ferrule
    a metal cap or band placed on a wooden pole to prevent splitting
  501. fibrin
    a white insoluble fibrous protein formed by the action of thrombin on fibrinogen when blood clots; it forms a network that traps red cells and platelets
  502. fibrinogen
    a protein present in blood plasma
  503. fibrinolysin
    an enzyme that dissolves the fibrin of blood clots
  504. fibula
    the outer and thinner of the two bones of the human leg between the knee and ankle
  505. filament
    a thin wire heated by the passage of an electric current
  506. fillet
    a longitudinal slice or boned side of a fish
  507. filter paper
    a porous unsized paper used for filtering
  508. fissile
    capable of being split or cleft or divided in the direction of the grain
  509. fixed oil
    nonvolatile animal or plant oil
  510. flash memory
    nonvolatile storage that can be electrically erased and programmed anew
  511. flat panel display
    a type of video display that is thin and flat
  512. flax
    plant of the genus Linum that is cultivated for its seeds and for the fibers of its stem
  513. flecainide
    oral antiarrhythmic medication (trade name Tambocor) used as a last resort in treating arrhythmias; increases the risk of sudden death in heart attack patients
  514. flint
    a hard kind of stone
  515. floral
    relating to or associated with flowers
  516. floss
    a soft thread for cleaning the spaces between the teeth
  517. flotation
    the phenomenon of remaining on the surface of a liquid
  518. floxuridine
    antineoplastic drug used to treat some cancers
  519. fluid
    continuous amorphous matter that tends to flow
  520. fluorescein
    a yellow dye that is visible even when highly diluted
  521. fluorescent
    emitting light during exposure to external radiant energy
  522. fluoride
    a chemical used to help prevent tooth decay
  523. fluorine
    a nonmetallic univalent element belonging to the halogens
  524. fluorouracil
    an antimetabolite used to treat certain cancers
  525. fluoxetine
    a selective-serotonin reuptake inhibitor commonly prescribed as an antidepressant (trade names Prozac or Sarafem); it is thought to work by increasing the activity of serotonin in the brain
  526. fluphenazine
    tranquilizer used to treat psychotic disorders
  527. flurazepam
    tranquilizer (trade name Dalmane) used to treat insomnia
  528. flurbiprofen
    a nonsteroidal anti-inflammatory drug (trade name Ansaid) that is administered only orally
  529. fluvastatin
    least expensive statin drug
  530. flux
    a state of constant change
  531. folic acid
    a B vitamin that is essential for cell growth and reproduction
  532. fractional
    constituting or comprising a part or fraction of a possible whole or entirety
  533. fractionate
    separate into constituents or fractions containing concentrated constituents
  534. fracture
    breaking of hard tissue such as bone
  535. fragmentation
    the separation of something into pieces or particles
  536. fructose
    a simple sugar found in honey and in many ripe fruits
  537. fruit tree
    tree bearing edible fruit
  538. fuel oil
    a petroleum product used for fuel
  539. fulminate
    cause to explode violently and with loud noise
  540. fumaric acid
    a colorless crystalline acid with a fruity taste
  541. fungicide
    any agent that destroys or prevents the growth of fungi
  542. furan
    a colorless toxic flammable liquid used in the synthesis of nylon
  543. fusel oil
    a mixture of amyl alcohols and propanol and butanol formed from distillation of fermented liquors
  544. gabapentin
    an anticonvulsant (trade name Neurontin) used to control some types of seizures in the treatment of epilepsy; also used to manage neuralgia caused by shingles
  545. gadolinium
    a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group
  546. Gadus
    type genus of the Gadidae: the typical codfishes
  547. Gadus morhua
    one of the world's most important commercial fishes
  548. gaiter
    a cloth covering that covers the instep and ankles
  549. galactose
    a simple sugar found in lactose
  550. gallamine
    neuromuscular blocking agent (trade name Flaxedil) used as a muscle relaxant in the administration of anesthesia
  551. gallium
    a rare silvery metallic element
  552. Gallus
    common domestic birds and related forms
  553. gamma
    the 3rd letter of the Greek alphabet
  554. garlic
    bulbous herb of southern Europe widely naturalized
  555. gas oil
    an oil formed through distillation of petroleum of intermediate boiling range and viscosity
  556. gas turbine
    turbine that converts the chemical energy of a liquid fuel into mechanical energy by internal combustion; gaseous products of the fuel (which is burned in compressed air) are expanded through a turbine
  557. gasket
    seal consisting of a ring for packing pistons or sealing a pipe joint
  558. gasoline
    a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
  559. gauze
    bleached cotton cloth of plain weave used for bandages
  560. gazelle
    a small antelope native to Africa and Asia
  561. gel
    a colloid in a more solid form than a sol
  562. gelatin
    a sticky, colorless protein obtained from animal tissue
  563. gemfibrozil
    medication (trade name Lopid) used to lower the levels of triglyceride in the blood
  564. generator
    someone who originates, causes, or initiates something
  565. genetically
    by genetic mechanisms
  566. gentamicin
    an antibiotic that is derived from an actinomycete
  567. genus
    taxonomic group containing one or more species
  568. genus Agaricus
    type genus of Agaricaceae
  569. genus Capsicum
    chiefly tropical perennial shrubby plants having many-seeded fruits: sweet and hot peppers
  570. genus Coregonus
    type genus of the Coregonidae: whitefishes
  571. genus Euthynnus
    a genus of Scombridae
  572. genus Pimenta
    allspice tree
  573. genus Thunnus
    tunas: warm-blooded fishes
  574. germ
    a structure from which tissue can develop into an organism
  575. germanium
    a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite
  576. ginseng
    Chinese herb with palmately compound leaves and small greenish flowers and forked aromatic roots believed to have medicinal powers
  577. gland
    a small organ that synthesizes and secretes chemicals
  578. glider
    aircraft supported only by the dynamic action of air against its surfaces
  579. glipizide
    an oral antidiabetic drug (trade name Glucotrol) that stimulates the release of insulin from the pancreas
  580. globin
    a colorless protein obtained by removing heme from hemoglobin; the oxygen carrying compound in red blood cells
  581. globulin
    a family of proteins found in blood and milk and muscle and in plant seed
  582. glucagon
    a hormone secreted by the pancreas
  583. glucosamine
    an amino derivative of glucose that is a component of many polysaccharides
  584. glucose
    a monosaccharide sugar that has several forms
  585. glucoside
    a glycoside derived from glucose
  586. glutamate
    a salt or ester of glutamic acid
  587. glutamic acid
    an amino acid occurring in proteins
  588. glutamine
    a crystalline amino acid occurring in proteins
  589. gluten
    a protein in wheat and other grains that makes dough elastic
  590. glutethimide
    sedative used to treat some sleep disorders
  591. glycerol
    a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils
  592. glyceryl
    a trivalent radical derived from glycerol by removing the three hydroxyl radicals
  593. glycine
    the simplest amino acid found in proteins and the principal amino acid in sugar cane
  594. goggles
    tight-fitting spectacles worn to protect the eyes
  595. gonadotrophin
    hormone secreted by the anterior pituitary gland and placenta; stimulates the gonads and controls reproductive activity
  596. grain sorghum
    any of several sorghums cultivated primarily for grain
  597. gramicidin
    an antibiotic produced by a soil bacterium
  598. granulocyte
    a leukocyte that has granules in its cytoplasm
  599. graphics
    photographs or other visual representations in a printed publication
  600. graphite
    a soft, dark gray mineral made of carbon
  601. grinder
    machinery that processes materials by grinding or crushing
  602. grinding wheel
    a wheel composed of abrasive material; used for grinding
  603. grindstone
    a device for sharpening metal tools
  604. griseofulvin
    a kind of penicillin (a fungicidal antibiotic with the trade name Fulvicin) produced by molds of the genus Penicillium
  605. guanabenz
    antihypertensive drug (trade name Wytensin) that reduces blood pressure by its effect on the central nervous system
  606. guava
    small tropical shrubby tree bearing small yellowish fruit
  607. guayule
    much-branched subshrub with silvery leaves and small white flowers of Texas and northern Mexico; cultivated as a source of rubber
  608. gutta-percha
    a whitish rubber derived from the coagulated milky latex of gutta-percha trees; used for insulation of electrical cables
  609. hafnium
    a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
  610. hake
    the lean flesh of a fish similar to cod
  611. halide
    a salt of any halogen acid
  612. 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
  613. haloperidol
    tranquilizer (trade name Haldol) used to treat some psychotic disorders and Tourette's syndrome
  614. halothane
    a nonflammable inhalation anesthetic that produces general anesthesia; used along with analgesics and muscle relaxants for many types of surgical procedures
  615. hardwood
    the wood of broad-leaved dicotyledonous trees
  616. headphone
    electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear
  617. heifer
    young cow
  618. hemoglobin
    a red protein in blood that transports oxygen
  619. hemp
    any plant of the genus Cannabis
  620. heparin
    a polysaccharide produced in basophils (especially in the lung and liver) and that inhibits the activity of thrombin in coagulation of the blood; it (trade names Lipo-Hepin and Liquaemin) is used as an anticoagulant in the treatment of thrombosis and in heart surgery
  621. heptadecanoic acid
    a colorless crystalline synthetic fatty acid
  622. heptane
    a colorless volatile highly flammable liquid obtained from petroleum and used as an anesthetic or a solvent or in determining octane ratings
  623. herbage
    succulent herbaceous vegetation of pasture land
  624. herbal
    of or relating to herbs
  625. herbicide
    a chemical agent that destroys plants or inhibits growth
  626. heterogeneous
    consisting of elements not of the same kind or nature
  627. hexachlorophene
    antibacterial substance that is a water-soluble powder used in antiseptic soaps and toothpaste
  628. hexane
    a colorless flammable liquid alkane derived from petroleum and used as a solvent
  629. high-speed steel
    an alloy steel that remains hard at a red heat
  630. hindquarters
    the fleshy part of the human body that you sit on
  631. hippopotamus
    a large plant-eating animal often found near African rivers
  632. histidine
    an essential amino acid found in proteins that is important for the growth and repair of tissue
  633. hormonal
    of or relating to or caused by hormones
  634. hormone
    the secretion of an endocrine gland transmitted by the blood
  635. human
    a person; a hominid with a large brain and articulate speech
  636. humerus
    bone extending from the shoulder to the elbow
  637. humidity
    wetness in the atmosphere
  638. hyaluronidase
    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
  639. hybrid
    the offspring of genetically dissimilar parents or stock
  640. hydralazine
    an antihypertensive drug that dilates blood vessels
  641. hydrate
    any compound that contains water of crystallization
  642. hydraulic
    moved or operated or effected by liquid
  643. hydrazine
    a colorless fuming corrosive liquid
  644. hydrocarbon
    an organic compound containing only carbon and hydrogen
  645. hydrochloride
    a complex consisting of an organic base in association with hydrogen chloride
  646. hydrocortisone
    an adrenal-cortex hormone (trade names Hydrocortone or Cortef) that is active in carbohydrate and protein metabolism
  647. hydrogen
    a colorless, odorless gas; the lightest chemical element
  648. hydrogen chloride
    a colorless corrosive gas (HCl)
  649. hydrogen cyanide
    a highly poisonous gas or volatile liquid that smells like bitter almonds; becomes a gas at around 90 degree Fahrenheit and is most dangerous when inhaled; the anhydride of hydrocyanic acid; used in manufacturing
  650. hydrogen peroxide
    a viscous liquid with strong oxidizing properties
  651. hydrolysis
    a chemical reaction in which water reacts with a compound to produce other compounds; involves the splitting of a bond and the addition of the hydrogen cation and the hydroxide anion from the water
  652. hydrometer
    an instrument for measuring the specific gravity of a liquid
  653. hydromorphone
    a narcotic analgesic used to treat moderate to severe pain
  654. hydroxide
    a compound of an oxide with water
  655. hydroxyacetic acid
    a translucent crystalline compound found in sugar cane and sugar beets and unripe grapes
  656. hydroxychloroquine
    anti-inflammatory drug (trade name Plaquenil) used in the treatment of rheumatoid arthritis and malaria and lupus erythematosus
  657. hydroxymethyl
    a methyl with hydroxide replacing the hydrogen atoms
  658. hydroxyproline
    a crystalline amino acid obtained from gelatin or collagen
  659. hydroxyzine
    a drug (trade names Atarax and Vistaril) used as a tranquilizer to treat anxiety and motion sickness
  660. hypochlorite
    any salt or ester of hypochlorous acid
  661. hypodermic
    a piston syringe that is fitted with a needle for injections
  662. hyssop
    a European mint with aromatic and pungent leaves used in perfumery and as a seasoning in cookery; often cultivated as a remedy for bruises; yields hyssop oil
  663. ileostomy
    surgical procedure that creates an opening from the ileum through the abdominal wall to function as an anus; performed in cases of cancer of the colon or ulcerative colitis
  664. ilium
    the upper and widest of the three bones making up the hipbone
  665. illness
    impairment of normal physiological function affecting part or all of an organism
  666. imidazole
    an organic base C3H4N2; a histamine inhibitor
  667. imipramine
    a tricyclic antidepressant used to treat clinical depression
  668. impregnate
    make pregnant
  669. incisor
    a tooth for cutting or gnawing
  670. incubator
    apparatus consisting of a box designed to maintain a constant temperature by the use of a thermostat; used for chicks or premature infants
  671. indene
    a colorless liquid hydrocarbon extracted from petroleum or coal tar and used in making synthetic resins
  672. indentation
    the space left between the margin and a line set in
  673. indeterminate
    not fixed or known in advance
  674. indicator
    a device for showing the operating condition of some system
  675. indinavir
    a protease inhibitor used for treating HIV
  676. indium
    a rare soft silvery metallic element
  677. inductance
    an electrical phenomenon whereby an electromotive force (EMF) is generated in a closed circuit by a change in the flow of current
  678. inflammable
    easily ignited
  679. infliximab
    a monoclonal antibody (trade name Remicade) used to treat Crohn's disease and rheumatoid arthritis; administered by infusion; use and dosage must be determined by a physician
  680. infrared
    having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end
  681. inhibitor
    a substance that slows or stops an activity
  682. injection
    the forceful insertion of a substance under pressure
  683. inorganic
    relating or belonging to the class of compounds not having a carbon basis
  684. inorganic compound
    any compound that does not contain carbon
  685. inosine
    a nucleoside that is formed by the deamination of adenosine
  686. inositol
    an optically inactive alcohol that is a component of the vitamin B complex
  687. input
    signal going into an electronic system
  688. input device
    a device that can be used to insert data into a computer or other computational device
  689. insoluble
    incapable of being dissolved
  690. insulate
    surround with material to protect from heat, cold, or noise
  691. insulator
    a material with little electrical or thermal conductivity
  692. insulin
    a glucose-regulating hormone produced in the pancreas
  693. integrated circuit
    a very small device for conducting an electrical current
  694. interconnection
    a state of being connected reciprocally
  695. interface
    a surface forming a common boundary between two things
  696. interferon
    an antiviral protein produced by cells that have been invaded by a virus; inhibits replication of the virus
  697. interlace
    spin, wind, or twist together
  698. intravenous
    within or by means of a vein
  699. inulin
    used to manufacture fructose and in assessing kidney function
  700. invert sugar
    a mixture of equal parts of glucose and fructose resulting from the hydrolysis of sucrose; found naturally in fruits; sweeter than glucose
  701. invertebrate
    any animal lacking a backbone or notochord
  702. iodide
    a salt or ester of hydriodic acid
  703. iodinate
    cause to combine with iodine
  704. iodinated
    treated with iodine
  705. iodine
    a nonmetallic element belonging to the halogens
  706. ipratropium bromide
    an inhaled bronchodilator (trade name Atrovent)
  707. iproclozide
    an antidepressant drug that acts as a monoamine oxidase inhibitor
  708. iridium
    a heavy brittle metallic element of the platinum group
  709. irradiate
    expose to radiation
  710. isocarboxazid
    a monoamine oxidase inhibitor (trade name Marplan) that is used to treat clinical depression
  711. isolate
    place or set apart
  712. isoleucine
    an essential amino acid found in proteins
  713. isomer
    a compound that exists in forms having different arrangements of atoms but the same molecular weight
  714. isoniazid
    antibacterial drug used to treat tuberculosis
  715. isosorbide
    drug (trade name Isordil) used to treat angina pectoris and congestive heart failure
  716. isotope
    atom with same atomic number, different number of neutrons
  717. isotopic
    of or relating to or having the relation of an isotope
  718. jackfruit
    East Indian tree cultivated for its immense edible fruit and seeds
  719. japonica
    greenhouse shrub with glossy green leaves and showy fragrant rose-like flowers; cultivated in many varieties
  720. kanamycin
    antibiotic used to treat severe infections
  721. kernel
    a single whole grain of a cereal
  722. ketamine
    a general anesthetic and tranquilizer (not a barbiturate) that is administered intravenously or intramuscularly; used mainly by veterinarians or for minor surgery with geriatric or pediatric patients; taken in large doses it causes hallucinations similar to those associated with the use of PCP
  723. ketone
    any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals
  724. ketoprofen
    nonsteroidal anti-inflammatory drug
  725. ketorolac
    nonsteroidal anti-inflammatory that is given only orally
  726. keyboard
    set of levers that can be pressed, as on a piano or computer
  727. kilowatt
    a unit of power equal to 1000 watts
  728. labetalol
    antihypertensive drug (trade names Trandate and Normodyne) that blocks alpha and beta-adrenergic receptors of the sympathetic nervous system (leading to a decrease in blood pressure)
  729. laboratory
    a workplace for the conduct of scientific research
  730. lactalbumin
    albumin occurring in milk
  731. lactate
    give suck to
  732. lactose
    a sugar that occurs only in milk
  733. laminate
    cover with a thin sheet of plastic or other material
  734. lamivudine
    a nucleoside reverse transcriptase inhibitor that is very effective in combination with zidovudine in treating AIDS and HIV
  735. lansoprazole
    antacid that suppresses acid secretion in the stomach
  736. laser
    an optical device that produces an intense beam of light
  737. latex
    a milky exudate from certain plants that coagulates on exposure to air
  738. lathe
    a machine tool for shaping a piece of rotating wood or metal
  739. leaded gasoline
    gasoline treated with a lead compound to reduce motor knocks
  740. leguminous
    relating to or consisting of legumes
  741. lens
    a transparent optical device used to form images
  742. leucine
    a white crystalline amino acid occurring in proteins that is essential for nutrition; obtained by the hydrolysis of most dietary proteins
  743. levodopa
    the levorotatory form of dopa
  744. light air
    wind moving 1-3 knots; 1 on the Beaufort scale
  745. light source
    any device serving as a source of illumination
  746. lincomycin
    antibiotic (trade name Lincocin) obtained from a streptomyces bacterium and used in the treatment of certain penicillin-resistant infections
  747. lindane
    a white crystalline powder used as an agricultural insecticide
  748. linear
    involving a single dimension
  749. linoleic acid
    a liquid polyunsaturated fatty acid abundant in plant fats and oils; a fatty acid essential for nutrition; used to make soap
  750. linolenic acid
    a liquid polyunsaturated fatty acid that occurs in some plant oils; an essential fatty acid
  751. lipid
    oily, insoluble organic compound that's a component of cells
  752. liquefy
    make a solid substance into a fluid, as by heating
  753. liquid
    fluid matter having no fixed shape but a fixed volume
  754. liquid crystal
    a liquid exhibiting properties of a crystal that are not shown by ordinary liquids
  755. liquid crystal display
    a digital display that uses liquid crystal cells that change reflectivity in an applied electric field; used for portable computer displays and watches etc.
  756. liquorice
    deep-rooted coarse-textured plant native to the Mediterranean region having blue flowers and pinnately compound leaves; widely cultivated in Europe for its long thick sweet roots
  757. lisinopril
    an ACE inhibiting drug (trade names Prinival or Zestril) administered as an antihypertensive and after heart attacks
  758. lithium
    a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
  759. livestock
    any animals kept for use or profit
  760. llama
    a cud-chewing, South American animal related to the camel
  761. llano
    an extensive grassy and nearly treeless plain
  762. lomustine
    an antineoplastic drug often used to treat brain tumors or Hodgkin's disease
  763. lorazepam
    tranquilizer used to treat anxiety and tension and insomnia
  764. loudspeaker
    electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance
  765. lovastatin
    an oral drug to reduce blood cholesterol levels
  766. loxapine
    a tranquilizer used to treat schizophrenia
  767. lozenge
    a small aromatic or medicated candy
  768. lubricate
    make slippery or smooth
  769. lumbar
    of or relating to or near the part of the back between the ribs and the hipbones
  770. lumbar vertebra
    one of 5 vertebrae in the human vertebral column
  771. lupine
    of or relating to or characteristic of wolves
  772. lutetium
    a trivalent metallic element of the rare earth group
  773. lychee
    a fruit with a thin, brittle shell and sweet, jellylike pulp
  774. lypressin
    an antidiuretic and vasoconstrictor used to treat diabetes insipidus
  775. lysine
    an essential amino acid found in proteins
  776. lysozyme
    an enzyme found in saliva and sweat and tears that destroys the cell walls of certain bacteria
  777. macadamia
    any tree of the genus Macadamia
  778. macadamia nut
    small Australian tree with racemes of pink flowers
  779. machine tool
    a powered machine for cutting or shaping or finishing metals or other materials
  780. mackerel
    any of various fishes of the family Scombridae
  781. macrophage
    a large phagocyte
  782. magnesium
    a light, malleable, silver-white metallic element
  783. magnesium carbonate
    a very white crystalline salt that occurs naturally as magnesite or as dolomite
  784. magnetic
    of or relating to or caused by attraction for iron
  785. maize
    corn
  786. Majorana
    small genus of herbs usually included in the genus Origanum
  787. Majorana hortensis
    aromatic European plant native to Mediterranean and Turkey
  788. maleate
    a salt or ester of maleic acid
  789. maleic acid
    a colorless crystalline compound found in unripe fruit (such as apples or tomatoes or cherries) and used mainly to make polyester resins
  790. maltose
    a crystalline sugar formed during the digestion of starches
  791. mammal
    a warm-blooded vertebrate having the skin covered with hair
  792. mammary
    of or relating to the milk-giving gland of the female
  793. mammary gland
    milk-secreting organ of female mammals
  794. manganese
    a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals
  795. manganese steel
    a steel with a relatively large component of manganese
  796. mango
    large evergreen tropical tree cultivated for its large oval fruit
  797. mangosteen
    East Indian tree with thick leathery leaves and edible fruit
  798. manioc
    cassava with long tuberous edible roots and soft brittle stems; used especially to make cassiri (an intoxicating drink) and tapioca
  799. mannitol
    a diuretic used to promote the excretion of urine
  800. marjoram
    aromatic Eurasian perennial
  801. marl
    a loose and crumbling earthy deposit consisting mainly of calcite or dolomite; used as a fertilizer for soils deficient in lime
  802. marrow
    network of connective tissue filling the cavities of bones
  803. mastic
    an evergreen shrub of the Mediterranean region that is cultivated for its resin
  804. mebendazole
    an anthelmintic used to treat hookworm and pinworm and roundworm infestations
  805. mechanical
    using tools or devices
  806. mechanism
    device consisting of a piece of machinery
  807. median
    relating to or situated in or extending toward the middle
  808. medical
    relating to the study or practice of medicine
  809. medicament
    (medicine) something that treats or prevents or alleviates the symptoms of disease
  810. medicinal
    treating, preventing or alleviating the symptoms of disease
  811. mefenamic acid
    a nonsteroidal anti-inflammatory and analgesic drug (trade name Ponstel) used to treat mild pain (especially menstrual cramps)
  812. mefloquine
    an antimalarial drug (trade name Larium and Mephaquine) that is effective in cases that do not respond to chloroquine; said to produce harmful neuropsychiatric effects on some people
  813. melphalan
    antineoplastic drug (trade name Alkeran) used to treat multiple myeloma and some other malignancies
  814. membered
    having members
  815. menadione
    a form of vitamin K
  816. mepacrine
    a drug (trade name Atabrine) used to treat certain worm infestations and once used to treat malaria
  817. mephenytoin
    a toxic anticonvulsant drug (trade name Mesantoin) used in the treatment of epilepsy when less toxic anticonvulsants have been ineffective
  818. meprobamate
    a sedative and tranquilizer (trade name Miltown and Equanil and Meprin) used to treat muscle tension and anxiety
  819. meq
    one-thousandth of an equivalent
  820. mercaptopurine
    a drug (trade name Purinethol) that interferes with the metabolism of purine and is used to treat acute lymphocytic leukemia
  821. mercury
    a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures
  822. Merluccius
    hakes
  823. Merluccius bilinearis
    found off Atlantic coast of North America
  824. metacarpal
    of or relating to the metacarpus
  825. metal
    a chemical element or alloy that is usually a shiny solid
  826. metallurgy
    the science and technology of ores and alloys
  827. metatarsal
    of or relating to the metatarsus
  828. metformin
    an antidiabetic drug prescribed to treat type II diabetes
  829. methacholine
    parasympathomimetic drug (trademark Mecholyl) that stimulates secretions and smooth muscle activity
  830. methadone
    a synthetic drug similar to morphine but less addicting
  831. methane
    a colorless, odorless gas used as a fuel
  832. methanol
    a light volatile flammable poisonous liquid alcohol
  833. methapyrilene
    antihistamine used to treat allergic responses
  834. methaqualone
    sedative-hypnotic drug that is a drug of abuse
  835. metharbital
    anticonvulsant drug used in the treatment of epilepsy
  836. methenamine
    antibacterial agent (trade names Mandelamine and Urex) that is contained in many products that are used to treat urinary infections
  837. methionine
    a crystalline amino acid containing sulfur
  838. methotrexate
    toxic antimetabolite that limits cellular reproduction by acting as an antagonist to folic acid; used to treat certain cancers and psoriasis and rheumatoid arthritis
  839. methyl
    the univalent radical CH3- derived from methane
  840. methylbenzene
    a colorless flammable liquid obtained from petroleum or coal tar; used as a solvent for gums and lacquers and in high-octane fuels
  841. methyldopa
    antihypertensive drug (trade name Aldomet) used in the treatment of high blood pressure
  842. methylene
    the bivalent radical CH2 derived from methane
  843. methylphenidate
    central nervous system stimulant (trade name Ritalin) used in the treatment of narcolepsy in adults and attention deficit disorder in children
  844. metoprolol
    beta blocker (trade name Lopressor) used in treating hypertension and angina and arrhythmia and acute myocardial infarction; has adverse side effects (depression and exacerbation of congestive heart failure etc.)
  845. metric
    based on a decimal unit of measurement
  846. metronidazole
    antiprotozoal medication (trade name Flagyl) used to treat trichomoniasis and giardiasis
  847. mexiletine
    antiarrhythmic drug used to treat ventricular arrhythmias
  848. micro
    extremely small in scale or scope or capability
  849. microcrystalline
    containing crystals that are visible only under a microscope
  850. micro-organism
    any living thing that is too small to be seen with the naked eye
  851. microphone
    a device for changing sound waves into electrical energy
  852. microprocessor
    a tiny electronic device handling a computer's logical functions
  853. microscopic
    so small as to be invisible without a magnifying device
  854. midazolam
    an injectable form of benzodiazepine (trade name Versed) useful for sedation and for reducing pain during uncomfortable medical procedures
  855. mifepristone
    an abortion-inducing drug developed in France
  856. millilitre
    a metric unit of volume equal to one thousandth of a liter
  857. mineral
    a solid inorganic substance occurring in nature
  858. minocycline
    tetracycline antibiotic (trade name Minocin) used to treat a variety of bacterial and rickettsial infections
  859. minoxidil
    a vasodilator used to treat severe hypertension
  860. mitomycin
    a complex of antibiotic substances obtained from a streptomyces bacterium; one form (trade name Mutamycin) shows promise as an anticancer drug
  861. mixer
    a kitchen device used for blending foods
  862. modulate
    fix or adjust the time, amount, degree, or rate of
  863. molecule
    the simplest structural unit of an element or compound
  864. molindone
    antipsychotic drug used in the treatment of schizophrenia
  865. mollusc
    aquatic invertebrate, often with a shell
  866. molybdenum
    a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel
  867. mono
    an acute disease characterized by fever and swollen lymph nodes and an abnormal increase of mononuclear leucocytes or monocytes in the bloodstream; not highly contagious; some believe it can be transmitted by kissing
  868. monoclonal
    forming or derived from a single clone
  869. monoclonal antibody
    any of a class of antibodies produced in the laboratory by a single clone of cells or a cell line and consisting of identical antibody molecules
  870. monolithic
    imposing in size or bulk or solidity
  871. monomer
    a simple compound whose molecules can join together to form polymers
  872. monoxide
    an oxide containing just one atom of oxygen in the molecule
  873. morphine
    an alkaloid narcotic drug extracted from opium
  874. mosaic
    design made of small pieces of colored stone or glass
  875. mother-of-pearl
    the iridescent internal layer of a mollusk shell
  876. motif
    a recurrent element in a literary or artistic work
  877. musculature
    the muscular system of an organism
  878. muskrat
    beaver-like aquatic rodent of North America with dark glossy brown fur
  879. myristic acid
    a saturated fatty acid occurring naturally in animal and vegetable fats
  880. nabumetone
    a nonsteroidal anti-inflammatory drug (trade name Relafen)
  881. nadolol
    a beta-adrenergic blocking agent (trade name Corgard) that is used to treat hypertension and angina
  882. nafcillin
    a penicillinase-resistant form of penicillin (trade name Nafcil) used (usually in the form of its sodium salt) to treat infections caused by penicillin-resistant strains of staphylococci
  883. nalidixic acid
    antibacterial agent used especially to treat genitourinary infections
  884. naloxone
    a potent narcotic especially effective with morphine
  885. naltrexone
    an oral antagonist against the action of opiates
  886. nandrolone
    an androgen (trade names Durabolin or Kabolin) that is used to treat testosterone deficiency or breast cancer or osteoporosis
  887. naphazoline
    vasoconstrictor (trade names Privine and Sudafed) used in nasal sprays to treat symptoms of nasal congestion and in eyedrops to treat eye irritation
  888. naphthalene
    a white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs
  889. naphthol
    either of two phenols derived from naphthalene
  890. naproxen
    a nonsteroidal anti-inflammatory drug (trade name Naprosyn) used in the treatment of arthritis and musculoskeletal inflammation and moderate pain
  891. narwhal
    an Arctic cetacean, the male of which has a long ivory tusk
  892. navel
    a scar where the umbilical cord was attached
  893. nefazodone
    an antidepressant drug (trade name Serzone)
  894. nelfinavir
    a protease inhibitor (trade name Viracept) used in treating HIV usually in combination with other drugs
  895. neomycin
    an antibiotic obtained from an actinomycete and used (as a sulphate under the trade name Neobiotic) as an intestinal antiseptic in surgery
  896. neostigmine
    a cholinergic drug (trade name Prostigmin) used to treat some ophthalmic conditions and to treat myasthenia gravis
  897. neutralisation
    action intended to nullify the effects of some previous action
  898. nevirapine
    a non-nucleoside reverse transcriptase inhibitor (trade name Viramune) used to treat AIDS and HIV
  899. newton
    force imparting acceleration of 1 m/sec/sec to 1 kilogram
  900. nickel
    a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
  901. nickel alloy
    an alloy whose main constituent is nickel
  902. nicotinic acid
    a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
  903. nifedipine
    calcium blocker
  904. niobium
    a soft grey ductile metallic element used in alloys
  905. nitrate
    any compound containing the nitrate group
  906. nitrazepam
    a hypnotic and sedative drug of the benzodiazepine type
  907. nitrobenzene
    a poisonous oily water-soluble liquid used as a solvent and in the manufacture of aniline
  908. nitrofurantoin
    derivative of nitrofuran used as an antibacterial medicine (trade name Macrodantin) effective against a broad range of Gram-positive and Gram-negative bacteria; used to treat infections of the urinary tract
  909. nitrogen
    a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
  910. non-volatile storage
    computer storage that is not lost when the power is turned off
  911. norepinephrine
    a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses
  912. nortriptyline
    a tricyclic antidepressant drug (trade name Pamelor) used along with psychotherapy to treat dysthymic depression; may interact dangerously if taken with other drugs
  913. novobiocin
    an antibiotic obtained from an actinomycete and used to treat infections by Gram-positive bacteria
  914. nuclear
    constituting the core or central part
  915. nutria
    aquatic South American rodent resembling a small beaver
  916. nutritional
    of or relating to or providing nutrition
  917. nutritionally
    with regard to nutrition
  918. nutritive
    of or providing nourishment
  919. nylon
    a synthetic fabric
  920. nystatin
    an antifungal and antibiotic discovered in New York State
  921. obeche
    large west African tree having large palmately lobed leaves and axillary cymose panicles of small white flowers and one-winged seeds; yields soft white to pale yellow wood
  922. obidoxime chloride
    a chloride used as an antidote for nerve gases such as sarin or VX
  923. octane
    any isomeric saturated hydrocarbon found in petroleum and used as a fuel and solvent
  924. octane number
    a measure of the antiknock properties of gasoline
  925. oleic acid
    a colorless oily liquid occurring as a glyceride
  926. omega
    the last (24th) letter of the Greek alphabet
  927. optical
    relating to or using sight
  928. optical device
    a device for producing or controlling light
  929. optical fibre
    a very thin fiber made of glass that functions as a waveguide for light; used in bundles to transmit images
  930. ore
    a mineral that contains metal valuable enough to be mined
  931. organ
    a structure in an animal specialized for some function
  932. organic
    having properties characteristic of living beings
  933. organic compound
    any compound of carbon and another element or a radical
  934. organism
    a living thing that can act or function independently
  935. orientation
    the act of determining one's position
  936. origanum
    any of various fragrant aromatic herbs of the genus Origanum used as seasonings
  937. Origanum majorana
    aromatic European plant native to Mediterranean and Turkey
  938. ornamental
    serving an esthetic rather than a useful purpose
  939. ornithine
    an amino acid that does not occur in proteins but is important in the formation of urea
  940. orthophosphate
    a salt of phosphoric acid
  941. osier
    any of various willows having pliable twigs used in basketry and furniture
  942. osmium
    a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
  943. ostomy
    surgical procedure that creates an artificial opening for the elimination of bodily wastes
  944. outboard
    located away from the midline of a vessel or aircraft
  945. oxacillin
    a form of penicillin resistant to penicillinase and effective against penicillin-resistant staphylococci
  946. oxalate
    a salt or ester of oxalic acid
  947. oxalic acid
    a toxic colorless crystalline organic acid found in oxalis and other plants; used as a bleach and rust remover and in chemical analysis
  948. oxaprozin
    a nonsteroidal anti-inflammatory drug (trade name Daypro)
  949. oxazepam
    a tranquilizing drug (trade name Serax) used to treat anxiety and insomnia and alcohol withdrawal
  950. oxidant
    a substance that oxidizes another substance
  951. oxidase
    any of the enzymes that catalyze biological oxidation
  952. oxide
    any compound of oxygen with another element or a radical
  953. oxime
    any compound containing the group -C=NOH
  954. oxygen
    a colorless, odorless gas that is essential for respiration
  955. oxyphenbutazone
    an anti-inflammatory drug (trade name Tandearil) used to treat arthritis and bursitis
  956. oxyphencyclimine
    an anticholinergic drug used in treating peptic ulcers
  957. oxytetracycline
    a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections
  958. oxytocin
    hormone secreted by the posterior pituitary gland
  959. padauk
    tree native to southeastern Asia having reddish wood with a mottled or striped black grain
  960. palladium
    a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry
  961. palmitic acid
    a saturated fatty acid that is the major fat in meat and dairy products
  962. papaw
    small tree native to the eastern United States having oblong leaves and fleshy fruit
  963. papaya
    a tropical American tree that produces a yellow, melon-like fruit
  964. parathion
    a colorless and odorless toxic oil used as an insecticide
  965. parathyroid
    any one of four endocrine glands situated above or within the thyroid gland
  966. particle
    (nontechnical usage) a tiny piece of anything
  967. passion fruit
    egg-shaped tropical fruit of certain passionflower vines
  968. pathogen
    any disease-producing agent
  969. peccary
    nocturnal gregarious pig-like wild animals of North America and South America
  970. pedicure
    professional care for the feet and toenails
  971. pedigree
    the ancestry or lineage of an individual
  972. pelvic
    of or relating to the pelvis
  973. penicillamine
    a drug (trade name Cuprimine) used to treat heavy metal poisoning and Wilson's disease and severe arthritis
  974. penicillin
    antibiotic used in the treatment of infections and diseases
  975. penicillinase
    enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic
  976. pentazocine
    analgesic drug that is less addictive than morphine
  977. pentobarbital
    a barbiturate (trade name Nembutal) used as a sedative and hypnotic and antispasmodic
  978. perchlorate
    a salt of perchloric acid
  979. percussion
    the act of exploding a detonator that explodes when struck
  980. perforate
    make a hole into or between, as for ease of separation
  981. pericarp
    the ripened and variously modified walls of a plant ovary
  982. peroxide
    a viscous liquid with strong oxidizing properties
  983. perphenazine
    tranquilizer and antidepressant (trade name Triavil) sometimes used as an antiemetic for adults
  984. petroleum
    a dark oil consisting mainly of hydrocarbons
  985. petroleum jelly
    a semisolid mixture of hydrocarbons obtained from petroleum
  986. pharmaceutical
    relating to preparing and dispensing drugs and medicines
  987. pharmacy
    a retail shop where medications are sold
  988. phenacetin
    a white crystalline compound used as an analgesic and also as an antipyretic
  989. phenazopyridine
    analgesic used to treat urinary tract infections
  990. phencyclidine
    a drug used as an anesthetic by veterinarians
  991. phenelzine
    monoamine oxidase inhibitor (trade name Nardil) used to treat clinical depression
  992. pheniramine
    an antihistamine used in preparations to treat allergies and respiratory infections; used to treat rhinitis and skin rashes and pruritus
  993. phenobarbital
    a long-acting barbiturate used as a sedative
  994. phenol
    any of a class of weakly acidic organic compounds
  995. phenolphthalein
    a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8
  996. phenothiazine
    a compound used primarily in veterinary medicine to rid farm animals of internal parasites
  997. phensuximide
    anticonvulsant (trade name Milontin) used to treat petit mal
  998. phentolamine
    a virility drug to treat erectile dysfunction in men
  999. phenylacetamide
    a white crystalline compound used as an analgesic and also as an antipyretic
  1000. phenylalanine
    an essential amino acid found in proteins and needed for growth of children and for protein metabolism in children and adults; abundant in milk and eggs; it is normally converted to tyrosine in the human body
  1001. phenylbutazone
    anti-inflammatory drug (trade name Butazolidin)
  1002. phenylephrine
    a powerful vasoconstrictor used to dilate the pupils and relieve nasal congestion
  1003. phenyltoloxamine
    antihistamine included in some preparations used to treat coughing and nasal congestion
  1004. phenytoin
    an anticonvulsant drug (trade name Dilantin) used to treat epilepsy and that is not a sedative
  1005. phosphate
    a salt of phosphoric acid
  1006. phosphor
    a synthetic substance that is fluorescent or phosphorescent
  1007. phosphoric
    containing or characteristic of phosphorus
  1008. phosphoric acid
    an acid used in fertilizers and soaps: H3PO4
  1009. phosphorus
    a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms
  1010. photosensitive
    sensitive to visible light
  1011. physical
    involving the body as distinguished from the mind or spirit
  1012. pigment
    dry coloring material
  1013. pilocarpine
    cholinergic alkaloid used in eyedrops to treat glaucoma
  1014. Pimenta
    allspice tree
  1015. pimozide
    the most commonly used diphenylbutyl piperidine
  1016. pindolol
    an oral beta blocker used in treating hypertension
  1017. pineapple
    a tropical American plant bearing a large fleshy edible fruit with a terminal tuft of stiff leaves; widely cultivated in the tropics
  1018. Piper cubeba
    tropical southeast Asian shrubby vine bearing spicy berrylike fruits
  1019. piperacillin
    a synthetic type of penicillin antibiotic (trade name Pipracil) used for moderate to severe infections
  1020. piperazine
    vermifuge used to treat infestations by roundworms or pinworms
  1021. piroxicam
    a nonsteroidal anti-inflammatory drug (trade name Feldene) used to treat arthritis and other inflammatory conditions
  1022. pitahaya
    cactus of the southwestern United States and northern Mexico having edible juicy fruit
  1023. pixel
    the smallest discrete component of an image on a screen
  1024. plaque
    a tablet that commemorates a person or achievement
  1025. platinum
    a heavy precious metallic element
  1026. pneumatic
    relating to or using air or a similar gas
  1027. polarimeter
    an optical device used to measure the rotation of the plane of vibration of polarized light
  1028. polonium
    a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor
  1029. polyamide
    a polymer containing repeated amide groups
  1030. polyester
    a complex ester used for making fibers or resins or plastics or as a plasticizer
  1031. polyethylene
    a lightweight thermoplastic
  1032. polymer
    a naturally occurring or synthetic compound
  1033. polymerisation
    a chemical process that combines several monomers to form a polymer or polymeric compound
  1034. polymyxin
    any of several toxic antibiotics obtained from a particular soil bacterium
  1035. polyurethane
    any of various polymers containing the urethane radical
  1036. pompon
    decoration consisting of a ball of tufted wool or silk
  1037. posterior
    located at or near the end of a structure
  1038. potash
    a potassium compound often used in agriculture and industry
  1039. potassium
    a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
  1040. potassium chloride
    salt of potassium
  1041. potassium dichromate
    an orange-red salt used in making dyes and in photography
  1042. potassium hydroxide
    a potassium compound often used in agriculture and industry
  1043. potassium nitrate
    (KNO3) used especially as a fertilizer and explosive
  1044. power pack
    a device for converting a power supply to a voltage required by particular equipment
  1045. pravastatin
    an oral drug administered to reduce blood cholesterol levels
  1046. prazosin
    antihypertensive drug (trade name Minipress)
  1047. precision
    the quality of being exact
  1048. prednisolone
    a glucocorticoid used to treat inflammatory conditions
  1049. prednisone
    a dehydrogenated analogue of cortisol
  1050. primaquine
    synthetic antimalarial drug
  1051. primary cell
    an electric cell that generates an electromotive force by an irreversible conversion of chemical to electrical energy; cannot be recharged
  1052. primidone
    an anticonvulsant (trade name Mysoline) used to treat grand mal seizures and essential tremor
  1053. printed circuit
    computer circuit consisting of an electronic sub-assembly
  1054. probenecid
    a uricosuric drug that reduces the level of uric acid in the blood; used to treat gout
  1055. procaine
    a white crystalline powder (trade name Ethocaine) administered near nerves as a local anesthetic in dentistry and medicine
  1056. procarbazine
    an antineoplastic drug used to treat Hodgkin's disease
  1057. procedure
    a particular course of action intended to achieve a result
  1058. prochlorperazine
    antipsychotic and antiemetic drug used to treat schizophrenia and to combat nausea and vomiting
  1059. progesterone
    a steroid hormone produced in the ovary
  1060. proline
    an amino acid that is found in many proteins
  1061. promethazine
    antihistamine used to treat allergies
  1062. promethium
    a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium
  1063. propane
    colorless gas found in natural gas and petroleum
  1064. propanoic acid
    a liquid fatty acid found in milk and sweat and in fuel distillates
  1065. prophylactic
    preventing or contributing to the prevention of disease
  1066. propionic acid
    a liquid fatty acid found in milk and sweat and in fuel distillates
  1067. propyl
    the monovalent organic group C3H7- obtained from propane
  1068. propylene
    a flammable gas obtained by cracking petroleum
  1069. propylthiouracil
    a crystalline compound used as an antithyroid drug in the treatment of goiter
  1070. protamine
    a simple protein found in fish sperm
  1071. protein
    an organic compound essential to living cells
  1072. protriptyline
    tricyclic antidepressant used to treat clinical depression
  1073. pseudoephedrine
    poisonous crystalline alkaloid occurring with ephedrine and isomorphic with it
  1074. Pseudomonas
    type genus of the family Pseudomonodaceae
  1075. pubic
    relating or near the pubis
  1076. pumpkin
    a coarse vine widely cultivated for its large pulpy round orange fruit with firm orange skin and numerous seeds; subspecies of Cucurbita pepo include the summer squashes and a few autumn squashes
  1077. pyrethrum
    white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum
  1078. pyridine
    a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal
  1079. pyridoxine
    a B vitamin that is essential for metabolism of amino acids and starch
  1080. pyrimidine
    a heterocyclic organic compound with a penetrating odor
  1081. quarantine
    isolation to prevent the spread of infectious disease
  1082. quaternary
    consisting of or arranged in sets of four
  1083. radar
    measuring instrument using pulses of microwave radiation
  1084. radiation
    the act of spreading outward from a central source
  1085. radioactive
    exhibiting or caused by emissions in nuclear decay
  1086. radioactivity
    the discharge of particles or rays in nuclear decay
  1087. radius
    a straight line from the center to the perimeter of a circle
  1088. raffia
    leaf fibers of the raffia palm tree
  1089. RAM
    the most common computer memory which can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible
  1090. ramipril
    an ACE inhibitor (trade name Altace) used to treat high blood pressure or in some patients who have had a heart attack
  1091. random access memory
    the most common computer memory which can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible
  1092. ranitidine
    a histamine blocker and antacid (trade name Zantac) used to treat peptic ulcers and gastritis and esophageal reflux
  1093. rattan
    climbing palm of Sri Lanka and southern India remarkable for the great length of the stems which are used for malacca canes
  1094. reaction
    an idea evoked by some experience
  1095. reactor
    apparatus to maintain and control a nuclear reaction
  1096. read-only memory
    (computer science) memory whose contents can be accessed and read but cannot be changed
  1097. reagent
    a substance for use in chemical reactions
  1098. reboxetine
    an antidepressant drug that blocks the reuptake of norepinephrine
  1099. recharge
    charge anew
  1100. rectifier
    a person who corrects or sets right
  1101. rectify
    make right or correct
  1102. refractive
    of or relating to or capable of refraction
  1103. refractive index
    the ratio of the velocity of light in a vacuum to that in a medium
  1104. refractometer
    measuring instrument for measuring the refractive index of a substance
  1105. refractory
    stubbornly resistant to authority or control
  1106. regeneration
    the act of forming again; renewing and reconstituting
  1107. regulator
    a device for controlling flow, pressure, temperature, etc.
  1108. reindeer
    Arctic deer with large antlers in both sexes
  1109. relative humidity
    the ratio of the amount of water in the air at a given temperature to the maximum amount it could hold at that temperature; expressed as a percentage
  1110. remote control
    a device that can be used to control a machine or apparatus from a distance
  1111. reproduce
    make a copy or equivalent of
  1112. reproduction
    the act of making copies
  1113. reserpine
    antihypertensive consisting of an alkaloid extracted from the plant Rauwolfia serpentina (trade names Raudixin or Rau-Sed or Sandril or Serpasil)
  1114. residual
    relating to or indicating a remainder
  1115. residue
    matter that remains after something has been removed
  1116. resin
    a viscous substance obtained from plants or simple molecules
  1117. resinate
    impregnate with resin to give a special flavor to
  1118. resistivity
    a material's opposition to the flow of electric current
  1119. resistor
    an electrical device that resists the flow of electrical current
  1120. resorcinol
    a crystalline phenol obtained from various resins
  1121. retention
    the act of keeping something
  1122. retinol
    an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene
  1123. retrieve
    get or find back; recover the use of
  1124. reversible
    capable of being returned to the original condition
  1125. rhenium
    a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
  1126. rhinoceros
    a large, heavy animal with thick skin and one or two horns on its nose
  1127. rhodium
    a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum
  1128. ribavirin
    an inhaled antiviral agent (trade name Virazole) that may be used to treat serious virus infections
  1129. riboflavin
    a B vitamin that prevents skin lesions and weight loss
  1130. ribose
    a pentose sugar important as a component of ribonucleic acid
  1131. ricin
    a toxic protein extracted from castor beans
  1132. ritonavir
    a protease inhibitor used in treating HIV
  1133. roe
    eggs of female fish
  1134. roebuck
    male roe deer
  1135. rofecoxib
    a Cox-2 inhibitor (trade name Vioxx) that relieves pain and inflammation without harming the digestive tract; voluntarily withdrawn from the market in 2004
  1136. rosemary
    widely cultivated for its fragrant grey-green leaves used in cooking and in perfumery
  1137. rotor
    rotating mechanism consisting of an assembly of rotating airfoils
  1138. rump
    fleshy hindquarters; behind the loin and above the round
  1139. ruthenium
    a rare polyvalent metallic element of the platinum group
  1140. sacral
    of or relating to or near the sacrum
  1141. sacral vertebra
    one of 5 vertebrae in the human spine that fuse in the adult to form the sacrum
  1142. sacrum
    wedge-shaped bone forming the posterior part of the pelvis
  1143. safflower
    thistlelike Eurasian plant widely grown for its red or orange flower heads and seeds that yield a valuable oil
  1144. sago
    powdery starch from certain sago palms
  1145. salicylate
    a salt of salicylic acid
  1146. salting
    the act of adding salt to food
  1147. samarium
    a grey lustrous metallic element of the rare earth group
  1148. saponification
    a chemical reaction in which an ester is heated with an alkali (especially the alkaline hydrolysis of a fat or oil to make soap)
  1149. sapphire
    a precious transparent stone that is typically a rich blue
  1150. saquinavir
    a weak protease inhibitor used in treating HIV
  1151. sardine
    small fishes found in great schools along coasts of Europe
  1152. saturate
    infuse or fill completely
  1153. saturated
    unable to dissolve still more of a substance
  1154. scanner
    someone who scans verse to determine the number and prosodic value of the syllables
  1155. scientific instrument
    an instrument used by scientists
  1156. Scomber
    type genus of the Scombridae
  1157. Scomber japonicus
    small mackerel found nearly worldwide
  1158. Scomber scombrus
    important food fish of the northern Atlantic and Mediterranean; its body is greenish-blue with dark bars and small if any scales
  1159. screening
    the display of a motion picture
  1160. seaweed
    plant growing in the sea, especially marine algae
  1161. secobarbital
    barbiturate that is a white odorless slightly bitter powder (trade name Seconal) used as a sodium salt for sedation and to treat convulsions
  1162. secretin
    a gastrointestinal hormone that stimulates the secretion of water and bicarbonate from the pancreas and bile ducts whenever the stomach empties too much acid into the small intestine
  1163. seedling
    young plant or tree grown from a seed
  1164. segregate
    divide from the main body or mass and collect
  1165. selective
    characterized by very careful or fastidious choice
  1166. selenium
    a toxic nonmetallic element related to sulfur and tellurium
  1167. selvedge
    the edge of a fabric that is woven so that it will not ravel or fray
  1168. 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
  1169. septic
    of or relating to or caused by the process of decay
  1170. serine
    a sweetish crystalline amino acid involved in the synthesis by the body of cysteine
  1171. sertraline
    a selective-serotonin reuptake inhibitor commonly prescribed as an antidepressant (trade name Zoloft)
  1172. serum
    an amber, watery fluid, rich in proteins, that separates out when blood coagulates
  1173. serum albumin
    albumin occurring in blood serum
  1174. servomechanism
    control system that converts a small mechanical motion into one requiring much greater power; may include a negative feedback system
  1175. sett
    a rectangular paving stone
  1176. shallot
    type of onion plant producing small clustered mild-flavored bulbs used as seasoning
  1177. shank
    the part of the human leg between the knee and the ankle
  1178. shelve
    place on a shelf
  1179. shin
    the front part of the human leg between the knee and the ankle
  1180. shrimp
    small slender-bodied chiefly marine decapod crustaceans with a long tail and single pair of pincers; many species are edible
  1181. silica
    a white or colorless vitreous insoluble solid
  1182. silicon
    a tetravalent nonmetallic element
  1183. silicon dioxide
    a white or colorless vitreous insoluble solid
  1184. silicone
    any of a large class of siloxanes that are unusually stable over a wide range of temperatures; used in lubricants and adhesives and coatings and synthetic rubber and electrical insulation
  1185. silkworm
    the commercially bred hairless white caterpillar of the domestic silkworm moth which spins a cocoon that can be processed to yield silk fiber; the principal source of commercial silk
  1186. silver hake
    found off Atlantic coast of North America
  1187. simulator
    machine that models an environment for training or research
  1188. simvastatin
    an oral lipid-lowering medicine (trade name Zocor) administered to reduce blood cholesterol levels; recommended after heart attacks
  1189. singlet
    a collarless men's undergarment for the upper part of the body
  1190. sinter
    cause to become a coherent mass by heating without melting
  1191. skein
    coils of worsted yarn
  1192. skipjack
    oceanic schooling tuna of considerable value in Pacific but less in Atlantic; reaches 75 pounds; very similar to if not the same as oceanic bonito
  1193. slag
    the scum formed by oxidation at the surface of molten metals
  1194. sludge
    any thick, viscous matter
  1195. smart card
    a plastic card containing a microprocessor that enables the holder to perform operations requiring data that is stored in the microprocessor; typically used to perform financial transactions
  1196. sodium
    a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
  1197. sodium chloride
    a white crystalline solid consisting mainly of sodium chloride (NaCl)
  1198. sodium hydroxide
    a strongly alkaline caustic used in manufacturing soap and paper and aluminum and various sodium compounds
  1199. sodium hypochlorite
    an unstable salt used as a bleaching agent and disinfectant
  1200. sodium iodide
    a crystalline salt used like potassium iodide
  1201. sodium nitrate
    (NaNO3) used especially as a fertilizer and explosive
  1202. sodium phosphate
    phosphate of sodium
  1203. sodium sulfate
    a solid white bitter salt used in manufacturing glass and paper and dyes and pharmaceuticals
  1204. solid-state
    consisting of semiconductor materials and components and related devices
  1205. soluble
    capable of being dissolved in some solvent
  1206. solvent
    capable of meeting financial obligations
  1207. sorbic acid
    a white crystalline carboxylic acid used as a preservative
  1208. sorghum
    economically important Old World tropical cereal grass
  1209. soya
    erect bushy hairy annual herb having trifoliate leaves and purple to pink flowers; extensively cultivated for food and forage and soil improvement but especially for its nutritious oil-rich seeds; native to Asia
  1210. spacecraft
    a vehicle or device able to travel beyond Earth's atmosphere
  1211. specimen
    a bit of tissue or fluid taken for diagnostic purposes
  1212. spectinomycin
    an antibiotic used to treat gonorrhea
  1213. spermicide
    a contraceptive agent that kills spermatozoa
  1214. spinal
    of or relating to the spine or spinal cord
  1215. spinal cord
    a major part of the central nervous system which conducts sensory and motor nerve impulses to and from the brain; a long tubelike structure extending from the base of the brain through the vertebral canal to the upper lumbar region
  1216. spindle
    a stick or pin used to twist the yarn when making thread
  1217. spironolactone
    a synthetic corticosteroid used to treat hypertension
  1218. spool
    a winder around which thread or tape or film or other flexible materials can be wound
  1219. staphylococcus
    spherical Gram-positive parasitic bacteria that tend to form irregular colonies; some cause boils or septicemia or infections
  1220. stearic acid
    a waxy saturated fatty acid
  1221. stearin
    an ester of glycerol and stearic acid
  1222. sterile
    incapable of reproducing
  1223. sternal
    of or relating to or near the sternum
  1224. sternum
    the breastbone
  1225. sterol
    any of a group of natural steroid alcohols derived from plants or animals; they are waxy insoluble substances
  1226. stirrup
    support consisting of metal loops into which rider's feet go
  1227. storage device
    a device that preserves information for retrieval
  1228. stratify
    form, arrange, or deposit in layers
  1229. streptodornase
    an enzyme produced by some hemolytic strains of streptococcus that dissolves fibrinous secretions from infections; used medicinally (often in combination with streptokinase)
  1230. streptokinase
    an enzyme produced by some strains of streptococcus that can liquefy blood clots by converting plasminogen to plasmin; used medicinally in some cases of myocardial infarction and pulmonary embolism
  1231. streptomycin
    an antibiotic produced by the actinomycete Streptomyces griseus and used to treat tuberculosis
  1232. stroboscope
    scientific instrument that provides a flashing light synchronized with the periodic movement of an object; can make moving object appear stationary
  1233. strontium
    a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
  1234. stylus
    a pointed tool for writing, drawing, or engraving
  1235. subcutaneous
    located or applied under the skin
  1236. substrate
    the material that is acted upon by an enzyme
  1237. sucralfate
    medicine consisting of a tablet used to treat peptic ulcers
  1238. sucrose
    a complex carbohydrate found in many plants and used as a sweetening agent
  1239. sulfacetamide
    a topical sulfonamide used to treat eye infections
  1240. sulfadiazine
    a sulfa drug used in treating meningitis and pneumonia and other infections
  1241. sulfamethoxazole
    a sulfonamide used to treat infections
  1242. sulfanilamide
    a white odorless crystalline sulfa drug
  1243. sulfapyridine
    sulfa drug derived from pyridine and sulfanilamide
  1244. sulfate
    a salt or ester of sulphuric acid
  1245. sulfide
    a compound of sulphur and some other element that is more electropositive
  1246. sulfonamide
    antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA
  1247. sulfonate
    a salt of sulphonic acid
  1248. sulfonic acid
    an acid derived from sulphuric acid
  1249. sulindac
    a nonsteroidal anti-inflammatory drug (trade name Clinoril)
  1250. sulphate
    a salt or ester of sulphuric acid
  1251. sulphonic acid
    an acid derived from sulphuric acid
  1252. sulphur
    an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
  1253. sulphuric
    of or relating to or containing sulfur
  1254. sulphuric acid
    a highly corrosive acid made from sulfur dioxide
  1255. surface area
    the extent of a 2-dimensional surface enclosed within a boundary
  1256. surface tension
    phenomenon at a liquid's surface from intermolecular forces
  1257. surface-active
    capable of lowering the surface tension of a liquid
  1258. surgical
    of or relating to a medical operation
  1259. surgical operation
    a medical procedure involving an incision with instruments
  1260. suture
    a seam used in surgery
  1261. sweeper
    an employee who sweeps (floors or streets etc.)
  1262. sweet marjoram
    aromatic European plant native to Mediterranean and Turkey
  1263. sweet pepper
    a plant bearing sweet, mild red peppers
  1264. sweet potato
    pantropical vine widely cultivated in several varieties for its large sweet tuberous root with orange flesh
  1265. symphysis
    a growing together of parts or structures
  1266. synchro
    a system consisting of a generator and a motor so connected that the motor will assume the same relative position as the generator; the generator and the motor are synchronized
  1267. synthesis
    the combination of ideas into a complex whole
  1268. synthetic
    a compound made artificially by chemical reactions
  1269. synthetic substance
    a compound made artificially by chemical reactions
  1270. syrinx
    the vocal organ of a bird
  1271. tamarind
    long-lived tropical evergreen tree with a spreading crown and feathery evergreen foliage and fragrant flowers yielding hard yellowish wood and long pods with edible chocolate-colored acidic pulp
  1272. tamoxifen
    an antagonist for estrogen that is used in the treatment of breast cancer
  1273. tannin
    any of various complex phenolic substances of plant origin
  1274. tantalum
    a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
  1275. tarragon
    aromatic perennial of southeastern Russia
  1276. tartaric acid
    an acid found in many fruits
  1277. tartrate
    a salt or ester of tartaric acid
  1278. tassel
    adornment consisting of a bunch of cords fastened at one end
  1279. taurine
    of or relating to or resembling a bull
  1280. teak
    tall East Indian timber tree now planted in western Africa and tropical America for its hard durable wood
  1281. technetium
    a crystalline metallic element not found in nature
  1282. technical
    of or relating to aptitude in a practical skill
  1283. telegraphic
    of or relating to or transmitted by telegraph
  1284. telegraphy
    communicating at a distance by electric transmission over wire
  1285. telephony
    transmitting speech at a distance
  1286. telescope
    a magnifier of images of distant objects
  1287. telescopic
    visible only with a telescope
  1288. telescopic sight
    gunsight consisting of a telescope on a firearm for use as a sight
  1289. tellurium
    a brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold
  1290. temazepam
    a frequently prescribed benzodiazepine
  1291. temperature
    the degree of hotness or coldness of a body or environment
  1292. terazosin
    antihypertensive drug used to treat high blood pressure
  1293. tertiary
    coming third in position
  1294. testosterone
    a potent androgenic hormone produced chiefly by the testes
  1295. tetra
    brightly colored tropical freshwater fishes
  1296. tetracycline
    an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections
  1297. tetraethyl lead
    a clear oily poisonous liquid added to gasoline to prevent knocking
  1298. thalidomide
    a sedative and hypnotic drug
  1299. thallium
    a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores
  1300. theophylline
    a colorless crystalline alkaloid derived from tea leaves or made synthetically; used in medicine as a bronchial dilator
  1301. thermal
    relating to or associated with heat
  1302. thermometer
    measuring instrument for measuring temperature
  1303. thermoplastic
    having the property of softening or fusing when heated and of hardening and becoming rigid again when cooled
  1304. thiamine
    a B vitamin that prevents beriberi
  1305. thiazine
    a compound made up of a ring of four carbon atoms and one sulfur atom and one nitrogen atom
  1306. thiocyanate
    a salt of thiocyanic acid
  1307. thiopental
    barbiturate that is a hygroscopic powder (trade name Pentothal) that is a strong barbiturate that acts rapidly; induces a relaxed state when injected as a general anesthetic
  1308. thiopental sodium
    barbiturate that is a hygroscopic powder (trade name Pentothal) that is a strong barbiturate that acts rapidly; induces a relaxed state when injected as a general anesthetic
  1309. thioridazine
    a tranquilizer (trade name Mellaril) used to treat schizophrenia and other psychotic disorders
  1310. thiotepa
    an antineoplastic drug used to treat certain malignancies
  1311. thoracic
    of or relating to the chest or thorax
  1312. threonine
    a colorless crystalline amino acid found in protein
  1313. thrombin
    an enzyme that acts on fibrinogen in blood causing it to clot
  1314. Thunnus
    tunas: warm-blooded fishes
  1315. thymidine
    a nucleoside component of DNA
  1316. thymol
    a colorless crystalline solid used in perfume or preserving biological specimens or in embalming or medically as a fungicide or antiseptic
  1317. thyroglobulin
    an iodine containing protein that is obtained from the thyroid gland and exhibits the general properties of the globulins
  1318. tibia
    the inner and thicker of the two bones of the human leg between the knee and ankle
  1319. tiff
    a petty quarrel
  1320. timolol
    a beta blocker administered after heart attacks
  1321. tissue
    part of an organism consisting of an aggregate of cells
  1322. titanium
    a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite
  1323. titanium dioxide
    a white powder used as a pigment for its high covering power and durability
  1324. tobramycin
    an antibiotic (trade name Nebcin) that is especially effective against Gram-negative bacteria
  1325. tocainide
    antiarrhythmic drug (trade name Tonocard) used to treat ventricular arrhythmias when less dangerous drugs have failed
  1326. tolazamide
    a drug used in treating stable adult-onset diabetes mellitus
  1327. tolbutamide
    sulfonylurea
  1328. toluene
    a colorless flammable liquid obtained from petroleum or coal tar; used as a solvent for gums and lacquers and in high-octane fuels
  1329. toluic acid
    an isomeric acid derived from toluene
  1330. tonic
    a medicine that strengthens and invigorates
  1331. tool steel
    alloy steel that is suitable for making tools
  1332. tortoise
    a land turtle with clawed limbs
  1333. toxin
    a poisonous substance produced organically
  1334. trandolapril
    an ACE inhibiting drug (trade name Mavik) used in some patients after a heart attack or to treat hypertension
  1335. transducer
    an electrical device that converts one form of energy into another
  1336. transformer
    an electrical device changing one voltage to another
  1337. transistor
    a semiconductor device capable of amplification
  1338. tranylcypromine
    an antidepressant drug that is a monoamine oxidase inhibitor
  1339. trazodone
    oral antidepressant (trade name Desyrel) that is a nontricyclic drug used as a sedative
  1340. triazine
    any of three isomeric compounds having three carbon and three nitrogen atoms in a six-membered ring
  1341. triazolam
    a form of benzodiazepine (trade name Halcion) frequently prescribed as a sleeping pill; usually given to people who have trouble falling asleep
  1342. triglyceride
    glyceride occurring naturally in animal and vegetable tissues; it consists of three individual fatty acids bound together in a single large molecule; an important energy source forming much of the fat stored by the body
  1343. trimipramine
    tricyclic antidepressant drug (trade name Surmontil) used to treat depression and anxiety and (sometimes) insomnia
  1344. tripalmitin
    a triglyceride of palmitic acid
  1345. Triticum
    annual cereal grasses from Mediterranean area
  1346. Triticum durum
    wheat with hard dark-colored kernels high in gluten and used for bread and pasta; grown especially in southern Russia, North Africa, and northern central North America
  1347. truffle
    a highly prized edible subterranean fungus
  1348. tryptophan
    an amino acid that occurs in proteins
  1349. tuber
    a fleshy underground stem or root, often used as food
  1350. tubocurarine
    a toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles
  1351. tubular
    constituting a tube; having hollow tubes
  1352. tuna
    important warm-water fatty fish of the genus Thunnus of the family Scombridae; usually served as steaks
  1353. tungsten
    a heavy grey-white metallic element
  1354. turbine
    an engine that causes a bladed rotor to rotate
  1355. turntable
    a circular horizontal platform that rotates a phonograph record while it is being played
  1356. turpentine
    volatile liquid distilled from turpentine oleoresin
  1357. tusk
    a long pointed tooth specialized for fighting or digging
  1358. tyrosine
    an amino acid found in most proteins
  1359. tyrothricin
    a mixture of antibiotics applied locally to infections caused by Gram-positive bacteria
  1360. udder
    mammary gland of bovids (cows and sheep and goats)
  1361. ulna
    the inner and longer of the two bones of the human forearm
  1362. unbleached
    not artificially colored or bleached
  1363. unsaturated
    used of a compound (especially of carbon) containing atoms sharing more than one valence bond
  1364. untreated
    not given medical care or treatment
  1365. uracil
    a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
  1366. uranium
    a heavy, silvery-white, radioactive, metallic element
  1367. urate
    a salt of uric acid
  1368. urea
    the chief solid component of mammalian urine
  1369. urethane
    an ester of carbamic acid
  1370. urokinase
    protease produced in the kidney that converts plasminogen to plasmin and so initiates fibrinolysis
  1371. vacuum
    an empty area or space
  1372. valdecoxib
    a Cox-2 inhibitor (trade name Bextra) that relieves pain and inflammation without harming the digestive tract
  1373. valeric acid
    a clear liquid carboxylic acid used in perfumes and drugs
  1374. valine
    an essential amino acid found in proteins
  1375. valproic acid
    anticonvulsant used to prevent some kinds of seizures
  1376. vanadium
    a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite
  1377. vancomycin
    an antibiotic effective against some bacterial infections
  1378. vapour
    a visible suspension in the air of particles of some substance
  1379. variable
    something that is likely to change
  1380. varietal
    a wine made principally from one grape and carrying the name of that grape
  1381. vasopressin
    hormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamus; affects blood pressure by stimulating capillary muscles and reduces urine flow by affecting reabsorption of water by kidney tubules
  1382. vegetable wax
    a waxy substance obtained from plants
  1383. veneer
    coating consisting of a thin layer of wood
  1384. ventilate
    furnish with an opening to allow air to circulate or escape
  1385. ventral
    toward or on or near the belly
  1386. verapamil
    a drug (trade names Calan and Isoptin) used as an oral or parenteral calcium blocker in cases of hypertension or congestive heart failure or angina or migraine
  1387. vertebra
    one of the bony segments of the spinal column
  1388. vertebral
    of or relating to or constituting vertebrae
  1389. vertebral column
    the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
  1390. vetch
    any of various climbing plants of the genus Vicia having pinnately compound leaves that terminate in tendrils and small variously colored flowers; includes valuable forage and soil-building plants
  1391. veterinary
    of or relating to veterinarians or veterinary medicine
  1392. veterinary medicine
    the branch of medicine that deals with the diagnosis and treatment of diseases and injuries of animals (especially domestic animals)
  1393. viable
    capable of life or normal growth and development
  1394. Vicia
    widely distributed genus of annual or perennial and often climbing herbs
  1395. Vicia faba
    Old World upright plant grown especially for its large flat edible seeds but also as fodder
  1396. vicuna
    small wild cud-chewing Andean animal similar to the guanaco but smaller; valued for its fleecy undercoat
  1397. vinblastine
    periwinkle plant derivative used as an antineoplastic drug (trade name Velban) that disrupts cell division
  1398. vincristine
    periwinkle plant derivative used as an antineoplastic drug
  1399. vinifera
    common European grape cultivated in many varieties
  1400. vinyl
    shiny, tough, and flexible plastic
  1401. viomycin
    a basic polypeptide antibiotic (trade name Viocin) administered intramuscularly (along with other drugs) in the treatment of tuberculosis
  1402. viscose
    a cellulose ester obtained by treating cellulose with caustic soda
  1403. viscosity
    resistance of a liquid to flowing
  1404. visual display unit
    (British) British term for video display
  1405. vitamin
    an organic substance essential to normal metabolism
  1406. Vitis
    the type genus of the family Vitaceae
  1407. Vitis vinifera
    common European grape cultivated in many varieties
  1408. vitreous
    relating to or resembling or derived from glass
  1409. volatile
    liable to lead to sudden change or violence
  1410. volatile storage
    computer storage that is erased when the power is turned off
  1411. volatilise
    make volatile; cause to pass off in a vapor
  1412. walking stick
    a stick carried in the hand for support in walking
  1413. wallpaper
    a decorative paper for the walls of rooms
  1414. walrus
    either of two large northern marine mammals having ivory tusks and tough hide over thick blubber
  1415. warfarin
    an anticoagulant (trade name Coumadin) use to prevent and treat a thrombus or embolus
  1416. watt
    a unit of power equal to 1 joule per second
  1417. wheat gluten
    gluten prepared from wheat
  1418. wheelwright
    someone who makes and repairs wooden wheels
  1419. wide area network
    a computer network that spans a wider area than does a local area network
  1420. wild boar
    a wild swine that is the ancestor of most domestic pigs
  1421. wiper
    a worker who wipes
  1422. wireless
    medium for communication
  1423. wormwood
    any of several aromatic herbs
  1424. xenon
    a colorless, odorless, inert gaseous element
  1425. X-ray
    electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target
  1426. xylene
    a colorless flammable volatile liquid hydrocarbon used as a solvent
  1427. yak
    large, long-haired ox of Tibet
  1428. yeast
    a single-celled fungus that reproduces asexually
  1429. yttrium
    a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
  1430. zalcitabine
    an antiviral drug used to combat HIV infection
  1431. Zea mays
    tall annual cereal grass bearing kernels on large ears: widely cultivated in America in many varieties; the principal cereal in Mexico and Central and South America since pre-Columbian times
  1432. zebu
    a domesticated ox with a humped back and long horns
  1433. zeta
    the 6th letter of the Greek alphabet
  1434. zidovudine
    an antiviral drug used in the treatment of AIDS
  1435. zinc
    a bluish-white lustrous metallic element
  1436. zipper
    a fastener for locking together two toothed edges
  1437. zirconium
    a lustrous grey strong metallic element resembling titanium
Created on Thu Oct 11 22:50:45 EDT 2012

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