| acetamide | (noun) a colorless solid amide of acetic acid used as a solvent and in the synthesis of organic compounds | Synonyms: ethanamide |
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| acetaminophen | (noun) an analgesic for mild pain but not for inflammation; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets) | Synonyms: Anacin III, Datril, Panadol, Phenaphen, Tempra, Tylenol |
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| acrylamide | (noun) a white crystalline amide of propenoic acid can damage the nervous system and is carcinogenic in laboratory animals | - |
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| adynamia | (noun) lack of strength or vigor (especially from illness) | - |
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| aerodynamics | (noun) the branch of mechanics that deals with the motion of gases (especially air) and their effects on bodies in the flow | Synonyms: aeromechanics |
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| agamid | (noun) a lizard of the family Agamidae | Synonyms: agamid lizard |
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| amiability | (noun) a disposition to be friendly and approachable (easy to talk to) | Synonyms: affability, affableness, amiableness, bonhomie, geniality |
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| (noun) a cheerful and agreeable mood | Synonyms: good humor, good humour, good temper |
| amiableness | (noun) a disposition to be friendly and approachable (easy to talk to) | Synonyms: affability, affableness, amiability, bonhomie, geniality |
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| amicability | (noun) having a disposition characterized by warmth and friendliness | Synonyms: amicableness |
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| (noun) a disinclination to quarrel | Synonyms: amicableness |
| amicableness | (noun) having a disposition characterized by warmth and friendliness | Synonyms: amicability |
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| (noun) a disinclination to quarrel | Synonyms: amicability |
| amide | (noun) any organic compound containing the group -CONH2 | - |
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| amidopyrine | (noun) a white crystalline substance used as an analgesic and antipyretic | Synonyms: aminopyrine |
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| amigo | (noun) a friend or comrade | - |
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| amine | (noun) a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals | Synonyms: aminoalkane |
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| amino | (noun) the radical -NH2 | Synonyms: amino group |
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| aminoaciduria | (noun) abnormal presence of amino acids in the urine; usually a symptom of metabolic defects | - |
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| aminoalkane | (noun) a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals | Synonyms: amine |
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| aminobenzine | (noun) oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines | Synonyms: aniline, aniline oil, phenylamine |
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| aminomethane | (noun) a methyl with the hydrogen atom replaced by an amino radical | - |
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| aminopherase | (noun) a class of transferases that catalyze transamination (that transfer an amino group from an amino acid to another compound) | Synonyms: aminotransferase, transaminase |
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| aminophylline | (noun) a theophylline derivative that is used as a bronchodilator in the treatment of bronchial asthma, emphysema, and bronchitis | - |
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| aminoplast | (noun) a plastic (synthetic resin) made from amino compounds; used as an adhesive and as a coating for paper and textiles | Synonyms: amino plastic, amino resin |
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| aminopyrine | (noun) a white crystalline substance used as an analgesic and antipyretic | Synonyms: amidopyrine |
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| aminotransferase | (noun) a class of transferases that catalyze transamination (that transfer an amino group from an amino acid to another compound) | Synonyms: aminopherase, transaminase |
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| amiodarone | (noun) 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 | Synonyms: Cordarone |
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| amir | (noun) an independent ruler or chieftain (especially in Africa or Arabia) | Synonyms: ameer, emeer, emir |
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| amitosis | (noun) the direct method of cell division characterized by simple division of the nucleus without formation of chromosomes | - |
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| amitriptyline | (noun) a tricyclic antidepressant drug (trade name Elavil) with serious side effects; interacts with many other medications | Synonyms: amitriptyline hydrochloride, Elavil |
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| amity | (noun) a cordial disposition | Synonyms: cordiality |
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| (noun) a state of friendship and cordiality | - |
| amphetamine | (noun) a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression | Synonyms: pep pill, speed, upper |
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| antihistamine | (noun) a medicine used to treat allergies and hypersensitive reactions and colds; works by counteracting the effects of histamine on a receptor site | - |
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| astrodynamics | (noun) the branch of astronomy that studies the motion of natural and artificial bodies in space | - |
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| avitaminosis | (noun) any of several diseases caused by deficiency of one or more vitamins | Synonyms: hypovitaminosis |
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| bedlamite | (noun) an archaic term for a lunatic | - |
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| benjamin | (noun) gum resin used especially in treating skin irritation | Synonyms: asa dulcis, benzoin, gum benjamin, gum benzoin |
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| bigamist | (noun) someone who marries one person while already legally married to another | - |
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| biodynamics | (noun) the branch of biology dealing with energy or the activity of living organisms. | - |
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| calamine | (noun) a white mineral; a common ore of zinc | Synonyms: hemimorphite |
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| calamint | (noun) perennial aromatic herbs growing in hedgerows or scrub or open woodlands from western Europe to central Asia and in North America | - |
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| calamity | (noun) an event resulting in great loss and misfortune | Synonyms: cataclysm, catastrophe, disaster, tragedy |
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| camion | (noun) a low heavy horse cart without sides; used for haulage | Synonyms: dray |
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| (noun) a large truck designed to carry heavy loads; usually without sides | Synonyms: lorry |
| camise | (noun) a loose shirt or tunic; originally worn in the Middle Ages | - |
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| camisole | (noun) a short negligee | - |
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| (noun) a short sleeveless undergarment for women | Synonyms: underbodice |
| carbamide | (noun) the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics | Synonyms: urea |
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| catamite | (noun) a boy who submits to a sexual relationship with a man | - |
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| catecholamine | (noun) any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland | - |
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| ceramic | (noun) an artifact made of hard brittle material produced from nonmetallic minerals by firing at high temperatures | - |
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| ceramicist | (noun) a craftsman who shapes pottery on a potter's wheel and bakes them in a kiln | Synonyms: ceramist, potter, thrower |
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| ceramics | (noun) the art of making and decorating pottery | - |
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| ceramist | (noun) a craftsman who shapes pottery on a potter's wheel and bakes them in a kiln | Synonyms: ceramicist, potter, thrower |
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| ceratozamia | (noun) a small cycad of the genus Ceratozamia having a short scaly woody trunk and fernlike foliage and woody cones; Mexico | - |
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| chloramine | (noun) any of several compounds containing chlorine and nitrogen; used as an antiseptic in wounds | Synonyms: chloramine-T |
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| clomipramine | (noun) a tricyclic antidepressant drug | - |
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| coaming | (noun) a raised framework around a hatchway on a ship to keep water out | - |
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| cobalamin | (noun) a B vitamin that is used to treat pernicious anemia | Synonyms: antipernicious anemia factor, cyanocobalamin, vitamin B12 |
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| contaminant | (noun) a substance that contaminates | Synonyms: contamination |
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| contamination | (noun) the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors | Synonyms: pollution |
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| (noun) the state of being contaminated | Synonyms: taint |
| (noun) a substance that contaminates | Synonyms: contaminant |
| creaminess | (noun) the property of having the thickness of heavy cream | Synonyms: soupiness |
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| cyanamid | (noun) a weak soluble dibasic acid (the parent acid of cyanamide salts) | Synonyms: cyanamide |
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| cyanamide | (noun) a weak soluble dibasic acid (the parent acid of cyanamide salts) | Synonyms: cyanamid |
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| (noun) a compound used as a fertilizer and as a source of nitrogen compounds | Synonyms: calcium-cyanamide |
| cyanocobalamin | (noun) a B vitamin that is used to treat pernicious anemia | Synonyms: antipernicious anemia factor, cobalamin, vitamin B12 |
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| cyanuramide | (noun) a white crystalline organic base; used mainly in making melamine resins | Synonyms: melamine |
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| daminozide | (noun) a chemical sprayed on fruit trees to regulate their growth so the entire crop can be harvested at one time | Synonyms: Alar |
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| daydreaming | (noun) absentminded dreaming while awake | Synonyms: air castle, castle in Spain, castle in the air, daydream, oneirism, reverie, revery |
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| deamination | (noun) removal of the amino radical from an amino acid or other amino compound | Synonyms: deaminization |
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| deaminization | (noun) removal of the amino radical from an amino acid or other amino compound | Synonyms: deamination |
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| decontamination | (noun) the removal of contaminants | - |
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| desipramine | (noun) a tricyclic antidepressant drug that activates the psychomotor system | - |
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| diamine | (noun) any organic compound containing two amino groups | - |
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| diphenhydramine | (noun) antihistamine (trade name Benadryl) used to treat allergic reactions involving the nasal passages (hay fever) and also to treat motion sickness | Synonyms: Benadryl |
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| dopamine | (noun) 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 | Synonyms: Dopastat, Intropin |
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| dreaminess | (noun) a relaxed comfortable feeling | Synonyms: languor |
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| dreaming | (noun) a series of mental images and emotions occurring during sleep | Synonyms: dream |
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| (noun) imaginative thoughts indulged in while awake | Synonyms: dream |
| dynamic | (noun) an efficient incentive | Synonyms: moral force |
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| dynamics | (noun) the branch of mechanics concerned with the forces that cause motions of bodies | Synonyms: kinetics |
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| dynamism | (noun) the activeness of an energetic personality | Synonyms: oomph, pizzaz, pizzazz, zing |
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| (noun) active strength of body or mind | Synonyms: heartiness, vigor, vigour |
| (noun) any of the various theories or doctrines or philosophical systems that attempt to explain the phenomena of the universe in terms of some immanent force or energy | - |
| dynamite | (noun) an explosive containing nitrate sensitized with nitroglycerin absorbed on wood pulp | - |
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| dynamiter | (noun) a person who uses dynamite in a revolutionary cause | Synonyms: dynamitist |
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| dynamitist | (noun) a person who uses dynamite in a revolutionary cause | Synonyms: dynamiter |
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| enamine | (noun) an amine containing the double bond linkage -C=C-N- | - |
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| epithalamium | (noun) an ode honoring a bride and bridegroom | - |
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| ergotamine | (noun) an alkaloid derived from ergot that is less toxic than ergot; causes constriction of blood vessels and is used to treat migraine | - |
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| estaminet | (noun) a small (and usually shabby) cafe selling wine and beer and coffee | - |
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| etamin | (noun) a soft cotton or worsted fabric with an open mesh; used for curtains or clothing etc. | Synonyms: etamine |
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| etamine | (noun) a soft cotton or worsted fabric with an open mesh; used for curtains or clothing etc. | Synonyms: etamin |
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| ethanamide | (noun) a colorless solid amide of acetic acid used as a solvent and in the synthesis of organic compounds | Synonyms: acetamide |
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| examination | (noun) the act of examining something closely (as for mistakes) | Synonyms: scrutiny |
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| (noun) the act of giving students or candidates a test (as by questions) to determine what they know or have learned | Synonyms: testing |
| (noun) a detailed inspection of your conscience (as done daily by Jesuits) | Synonyms: examen |
| (noun) a set of questions or exercises evaluating skill or knowledge | Synonyms: exam, test |
| (noun) formal systematic questioning | Synonyms: interrogation, interrogatory |
| examinee | (noun) someone who is tested (as by an intelligence test or an academic examination) | Synonyms: testee |
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| examiner | (noun) an investigator who observes carefully | Synonyms: inspector |
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| (noun) someone who administers a test to determine your qualifications | Synonyms: quizzer, tester |
| familiar | (noun) a spirit (usually in animal form) that acts as an assistant to a witch or wizard | Synonyms: familiar spirit |
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| (noun) a person attached to the household of a high official (as a pope or bishop) who renders service in return for support | - |
| (noun) a friend who is frequently in the company of another | Synonyms: associate, companion, comrade, fellow |
| familiarisation | (noun) the experience of becoming familiar with something | Synonyms: familiarization |
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| familiarity | (noun) an act of undue intimacy | Synonyms: impropriety, indecorum, liberty |
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| (noun) usualness by virtue of being familiar or well known | - |
| (noun) close or warm friendship | Synonyms: closeness, intimacy |
| (noun) a casual manner | Synonyms: casualness |
| (noun) personal knowledge or information about someone or something | Synonyms: acquaintance, conversance, conversancy |
| familiarization | (noun) the experience of becoming familiar with something | Synonyms: familiarisation |
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| family | (noun) primary social group; parents and children | Synonyms: family unit |
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| (noun) people descended from a common ancestor | Synonyms: family line, folk, kinfolk, kinsfolk, phratry, sept |
| (noun) a social unit living together | Synonyms: home, house, household, menage |
| (noun) (biology) a taxonomic group containing one or more genera | - |
| (noun) a collection of things sharing a common attribute | Synonyms: category, class |
| (noun) an association of people who share common beliefs or activities | Synonyms: fellowship |
| (noun) a loose affiliation of gangsters in charge of organized criminal activities | Synonyms: crime syndicate, mob, syndicate |
| (noun) a person having kinship with another or others | Synonyms: kin, kinsperson |
| famine | (noun) a severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death | - |
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| (noun) an acute insufficiency | Synonyms: dearth, shortage |
| famishment | (noun) a state of extreme hunger resulting from lack of essential nutrients over a prolonged period | Synonyms: starvation |
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| flaming | (noun) the process of combustion of inflammable materials producing heat and light and (often) smoke | Synonyms: fire, flame |
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| flamingo | (noun) large pink to scarlet web-footed wading bird with down-bent bill; inhabits brackish lakes | - |
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| foaminess | (noun) the property of being foamy | - |
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| foraminifer | (noun) marine microorganism having a calcareous shell with openings where pseudopods protrude | Synonyms: foram |
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