aether | (noun) a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves | Synonyms: ether |
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altogether | (noun) informal terms for nakedness | Synonyms: birthday suit, raw |
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amethopterin | (noun) toxic antimetabolite that limits cellular reproduction by acting as an antagonist to folic acid; used to treat certain cancers and psoriasis and rheumatoid arthritis | Synonyms: methotrexate, methotrexate sodium |
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amethyst | (noun) a transparent purple variety of quartz; used as a gemstone | - |
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aminomethane | (noun) a methyl with the hydrogen atom replaced by an amino radical | - |
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anethole | (noun) an organic compound that is widely used as a flavoring substance. | Synonyms: anise camphor |
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arethusa | (noun) any of several bog orchids of the genus Arethusa having 1 or 2 showy flowers | - |
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bellwether | (noun) sheep that leads the herd often wearing a bell | - |
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(noun) someone who assumes leadership of a movement or activity | - |
beth | (noun) the 2nd letter of the Hebrew alphabet | - |
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bethel | (noun) a house of worship (especially one for sailors) | - |
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bioethics | (noun) the branch of ethics that studies moral values in the biomedical sciences | - |
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blether | (noun) idle or foolish and irrelevant talk | Synonyms: chin music, idle talk, prate, prattle |
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bluethroat | (noun) songbird of northern Europe and Asia | Synonyms: Erithacus svecicus |
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bonnethead | (noun) small harmless hammerhead having a spade-shaped head; abundant in bays and estuaries | Synonyms: bonnet shark, shovelhead, Sphyrna tiburo |
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brethren | (noun) (plural) the lay members of a male religious order | - |
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bullethead | (noun) a head shaped like a bullet | - |
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cacoethes | (noun) an irrational but irresistible motive for a belief or action | Synonyms: mania, passion |
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daleth | (noun) the 4th letter of the Hebrew alphabet | - |
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dethronement | (noun) the act of deposing someone; removing a powerful person from a position or office | Synonyms: deposition |
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dexamethasone | (noun) a corticosteroid drug (trade names Decadron or Dexamethasone Intensol or Dexone or Hexadrol or Oradexon) used to treat allergies or inflammation | Synonyms: Decadron, Dexamethasone Intensol, Dexone, Hexadrol, Oradexon |
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dichlorodiphenyltrichloroethane | (noun) an insecticide that is also toxic to animals and humans; banned in the United States since 1972 | Synonyms: DDT |
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dichloromethane | (noun) a nonflammable liquid used as a solvent and paint remover and refrigerant | Synonyms: methylene chloride |
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diethylmalonylurea | (noun) a barbiturate used as a hypnotic | Synonyms: barbital, barbitone, diethylbarbituric acid, veronal |
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diethylstilbesterol | (noun) synthetic nonsteroid with the properties of estrogen; formerly used to treat menstrual problems but was found to be associated with vaginal cancers in the daughters of women so treated during pregnancy | Synonyms: DES, stilbesterol |
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diethylstilbestrol | (noun) a potent estrogen used in medicine and in feed for livestock and poultry | Synonyms: DES, diethylstilboestrol, stilbestrol, stilboestrol |
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diethylstilboestrol | (noun) a potent estrogen used in medicine and in feed for livestock and poultry | Synonyms: DES, diethylstilbestrol, stilbestrol, stilboestrol |
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dimethylglyoxime | (noun) a compound used in analysis as a precipitant for palladium or nickel | - |
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doublethink | (noun) believing two contradictory ideas at the same time | - |
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eightieth | (noun) position 80 in a countable series of things | - |
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erethism | (noun) an abnormally high degree of irritability or sensitivity to stimulation of an organ or body part | - |
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ethanal | (noun) a colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid and perfumes and drugs | Synonyms: acetaldehyde |
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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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ethane | (noun) a colorless odorless alkane gas used as fuel | Synonyms: C2H6 |
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ethanediol | (noun) a sweet but poisonous syrupy liquid used as an antifreeze and solvent | Synonyms: ethylene glycol, glycol |
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ethanoate | (noun) a salt or ester of acetic acid | Synonyms: acetate |
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ethanol | (noun) the intoxicating agent in fermented and distilled liquors; used pure or denatured as a solvent or in medicines and colognes and cleaning solutions and rocket fuel; proposed as a renewable clean-burning additive to gasoline | Synonyms: ethyl alcohol, fermentation alcohol, grain alcohol |
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ethchlorvynol | (noun) a mild sedative-hypnotic drug (trade name Placidyl) | Synonyms: Placidyl |
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ethene | (noun) a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic | Synonyms: ethylene |
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ether | (noun) a colorless volatile highly flammable liquid formerly used as an inhalation anesthetic | Synonyms: diethyl ether, divinyl ether, ethoxyethane, ethyl ether, vinyl ether |
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(noun) a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves | Synonyms: aether |
(noun) any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom | - |
(noun) the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies | Synonyms: quintessence |
ethernet | (noun) a type of network technology for local area networks; coaxial cable carries radio frequency signals between computers at a rate of 10 megabits per second | - |
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ethic | (noun) the principles of right and wrong that are accepted by an individual or a social group | Synonyms: moral principle, value-system, value orientation |
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(noun) a system of principles governing morality and acceptable conduct | Synonyms: ethical code |
ethicality | (noun) The state, quality or manner of conforming to accepted standards of conduct. | - |
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ethician | (noun) a philosopher who specializes in ethics | Synonyms: ethicist |
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ethicism | (noun) a doctrine that ethics and ethical ideas are valid and important | - |
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ethicist | (noun) a philosopher who specializes in ethics | Synonyms: ethician |
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ethics | (noun) the philosophical study of moral values and rules | Synonyms: moral philosophy |
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(noun) motivation based on ideas of right and wrong | Synonyms: ethical motive, morality, morals |
ethmoid | (noun) one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity | Synonyms: ethmoid bone |
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ethnarch | (noun) the ruler of a province (as in the Roman Empire and Byzantine Empire) or certain religious rulers with secular authority | - |
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ethnic | (noun) a person who is a member of an ethnic group | - |
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ethnicity | (noun) an ethnic quality or affiliation resulting from racial or cultural ties | - |
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ethnocentrism | (noun) belief in the superiority of one's own ethnic group | - |
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ethnographer | (noun) an anthropologist who does ethnography | - |
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ethnography | (noun) the branch of anthropology that provides scientific description of individual human societies | Synonyms: descriptive anthropology |
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ethnologist | (noun) an anthropologist who studies ethnology | - |
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ethnology | (noun) the branch of anthropology that deals with the division of humankind into races and with their origins and distribution and distinctive characteristics | - |
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ethnos | (noun) people of the same race or nationality who share a distinctive culture | Synonyms: ethnic group |
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ethologist | (noun) a zoologist who studies the behavior of animals in their natural habitats | - |
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ethology | (noun) the branch of zoology that studies the behavior of animals in their natural habitats | - |
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ethos | (noun) (anthropology) the distinctive spirit of a culture or an era | - |
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ethosuximide | (noun) an anticonvulsant drug (trade names Emeside and Zarontin) used to treat petit mal epilepsy | Synonyms: Emeside, Zarontin |
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ethoxyethane | (noun) a colorless volatile highly flammable liquid formerly used as an inhalation anesthetic | Synonyms: diethyl ether, divinyl ether, ether, ethyl ether, vinyl ether |
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ethyl | (noun) the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom | Synonyms: ethyl group, ethyl radical |
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ethylene | (noun) a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic | Synonyms: ethene |
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ethyne | (noun) a colorless flammable gas used chiefly in welding and in organic synthesis | Synonyms: acetylene, alkyne |
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fiftieth | (noun) position 50 in a countable series of things | - |
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firethorn | (noun) any of various thorny shrubs of the genus Pyracantha bearing small white flowers followed by hard red or orange-red berries | Synonyms: fire thorn, pyracanth, Pyracantha |
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flamethrower | (noun) a weapon that squirts ignited fuel for several yards | - |
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forethought | (noun) judiciousness in avoiding harm or danger | Synonyms: care, caution, precaution |
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(noun) planning or plotting in advance of acting | Synonyms: premeditation |
fortieth | (noun) position 40 in a countable series of things | - |
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freethinker | (noun) a person who rejects religion | - |
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freethinking | (noun) the doctrine that reason is the right basis for regulating conduct | Synonyms: rationalism |
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glutethimide | (noun) sedative (trade name Doriden) used to treat some sleep disorders | Synonyms: Doriden |
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goethite | (noun) a red or yellow or brown mineral; an oxide of iron that is a common constituent of rust | Synonyms: gothite |
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heth | (noun) the 8th letter of the Hebrew alphabet | - |
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hydroflumethiazide | (noun) diuretic used to treat hypertension and edema | - |
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hydroxymethyl | (noun) a methyl with hydroxide replacing the hydrogen atoms | - |
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indomethacin | (noun) a nonsteroidal anti-inflammatory drug (trade name Indocin) | Synonyms: Indocin |
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isopleth | (noun) a line drawn on a map connecting points having the same numerical value of some variable | Synonyms: isarithm, isogram |
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lethality | (noun) the quality of being deadly | Synonyms: deadliness |
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lethargy | (noun) weakness characterized by a lack of vitality or energy | Synonyms: inanition, lassitude, slackness |
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(noun) inactivity; showing an unusual lack of energy | Synonyms: flatness, languor, phlegm, sluggishness |
(noun) a state of comatose torpor (as found in sleeping sickness) | Synonyms: lassitude, sluggishness |
meth | (noun) an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant | Synonyms: chalk, chicken feed, crank, deoxyephedrine, glass, ice, methamphetamine, methamphetamine hydrochloride, Methedrine, shabu, trash |
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methacholine | (noun) parasympathomimetic drug (trademark Mecholyl) that stimulates secretions and smooth muscle activity | Synonyms: Mecholyl |
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methadon | (noun) synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction | Synonyms: dolophine hydrochloride, fixer, methadone, methadone hydrochloride, synthetic heroin |
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methadone | (noun) synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction | Synonyms: dolophine hydrochloride, fixer, methadon, methadone hydrochloride, synthetic heroin |
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methamphetamine | (noun) an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant | Synonyms: chalk, chicken feed, crank, deoxyephedrine, glass, ice, meth, methamphetamine hydrochloride, Methedrine, shabu, trash |
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methanal | (noun) a colorless poisonous gas; made by the oxidation of methanol | Synonyms: formaldehyde |
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methane | (noun) a colorless odorless gas used as a fuel | - |
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methanogen | (noun) archaebacteria found in anaerobic environments such as animal intestinal tracts or sediments or sewage and capable of producing methane; a source of natural gas | - |
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methanol | (noun) a light volatile flammable poisonous liquid alcohol; used as an antifreeze and solvent and fuel and as a denaturant for ethyl alcohol | Synonyms: methyl alcohol, wood alcohol, wood spirit |
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methapyrilene | (noun) antihistamine used to treat allergic responses (as rhinitis or dermatitis or pruritus) | - |
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methaqualone | (noun) sedative-hypnotic drug (trade name Quaalude) that is a drug of abuse | Synonyms: Quaalude |
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metharbital | (noun) anticonvulsant drug (trade name Gemonil) used in the treatment of epilepsy | Synonyms: Gemonil |
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metheglin | (noun) spiced or medicated mead | - |
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methenamine | (noun) antibacterial agent (trade names Mandelamine and Urex) that is contained in many products that are used to treat urinary infections | Synonyms: Mandelamine, Urex |
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methicillin | (noun) antibiotic drug of the penicillin family used in the treatment of certain staphylococcal infections | - |
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methionine | (noun) a crystalline amino acid containing sulfur; found in most proteins and essential for nutrition | - |
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methocarbamol | (noun) muscle relaxant for skeletal muscles (trade name Robaxin) used to treat spasms | Synonyms: Robaxin |
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method | (noun) an acting technique introduced by Stanislavsky in which the actor recalls emotions or reactions from his or her own life and uses them to identify with the character being portrayed | Synonyms: method acting |
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(noun) a way of doing something, especially a systematic way; implies an orderly logical arrangement (usually in steps) | - |
methodicalness | (noun) the quality of appreciating method and system | Synonyms: orderliness |
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methodology | (noun) the system of methods followed in a particular discipline | - |
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(noun) the branch of philosophy that analyzes the principles and procedures of inquiry in a particular discipline | Synonyms: methodological analysis |