| acetylene | (noun) a colorless flammable gas used chiefly in welding and in organic synthesis | Synonyms: alkyne, ethyne |
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| achene | (noun) small dry indehiscent fruit with the seed distinct from the fruit wall | - |
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| alkene | (noun) any unsaturated aliphatic hydrocarbon | Synonyms: olefin, olefine |
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| alkylbenzene | (noun) organic compound that has an alkyl group bound to a benzene ring | - |
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| antivenene | (noun) an antitoxin that counteracts the effects of venom from the bite of a snake or insect or other animal | Synonyms: antivenin |
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| aposelene | (noun) apoapsis in orbit around the moon | Synonyms: apolune |
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| benzene | (noun) a colorless liquid hydrocarbon; highly flammable; carcinogenic; the simplest of the aromatic compounds | Synonyms: benzine, benzol |
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| buckminsterfullerene | (noun) a spheroidal fullerene; the first known example of a fullerene | Synonyms: buckyball |
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| butadiene | (noun) a gaseous hydrocarbon C4H6; used in making synthetic rubbers | - |
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| butene | (noun) any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers | Synonyms: butylene |
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| butylene | (noun) any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers | Synonyms: butene |
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| carotene | (noun) an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver | Synonyms: carotin, provitamin A |
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| (noun) yellow or orange-red fat-soluble pigments in plants | - |
| chlorobenzene | (noun) 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 | - |
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| chloroprene | (noun) derivative of butadiene used in making neoprene by polymerization | - |
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| cinnamene | (noun) a colorless oily liquid; the monomer for polystyrene | Synonyms: phenylethylene, styrene, vinylbenzene |
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| clomiphene | (noun) a fertility drug (trade name Clomid) that is used to stimulate ovulation and that has been associated with multiple births | Synonyms: Clomid, clomiphene citrate |
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| ctene | (noun) a locomotor organ consisting of a row of strong cilia whose bases are fused | Synonyms: comb-plate |
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| cycloalkene | (noun) alkene hydrocarbon which contains a closed ring of carbon atoms, but has no aromatic character. | Synonyms: cycloolefin |
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| cymene | (noun) any of three isotopes of a colorless aromatic liquid hydrocarbon occurring in the volatile oil of cumin and thyme and used in the manufacture of synthetic resins | - |
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| damascene | (noun) a design produced by inlaying gold or silver into steel | - |
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| diplotene | (noun) the fourth stage of the prophase of meiosis | - |
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| epicene | (noun) one having both male and female sexual characteristics and organs; at birth an unambiguous assignment of male or female cannot be made | Synonyms: androgyne, epicene person, gynandromorph, hermaphrodite, intersex |
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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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| 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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| fullerene | (noun) a form of carbon having a large molecule consisting of an empty cage of sixty or more carbon atoms | - |
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| gangrene | (noun) the localized death of living cells (as from infection or the interruption of blood supply) | Synonyms: mortification, necrosis, sphacelus |
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| (noun) necrotic tissue; a mortified or gangrenous part or mass | Synonyms: slough, sphacelus |
| gasolene | (noun) a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines | Synonyms: gas, gasoline, petrol |
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| gene | (noun) (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity | Synonyms: cistron, factor |
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| hexachlorophene | (noun) antibacterial substance that is a water-soluble powder used in antiseptic soaps and toothpaste | - |
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| hydroxybenzene | (noun) a toxic white soluble crystalline acidic derivative of benzene; used in manufacturing and as a disinfectant and antiseptic; poisonous if taken internally | Synonyms: carbolic acid, oxybenzene, phenol, phenylic acid |
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| hygiene | (noun) the science concerned with the prevention of illness and maintenance of health | Synonyms: hygienics |
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| (noun) a condition promoting sanitary practices | - |
| indene | (noun) a colorless liquid hydrocarbon extracted from petroleum or coal tar and used in making synthetic resins | - |
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| indigene | (noun) an indigenous person who was born in a particular place | Synonyms: aboriginal, aborigine, indigen, native |
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| isobutylene | (noun) used also in making gasoline components | - |
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| isophene | (noun) a line indicating biological events occurring with coincidence such as plants flowering. | - |
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| kerosene | (noun) a flammable hydrocarbon oil used as fuel in lamps and heaters | Synonyms: coal oil, kerosine, lamp oil |
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| leptotene | (noun) the first stage of the prophase of meiosis | - |
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| limonene | (noun) a liquid terpene with a lemon odor; found in lemons and oranges and other essential oils | - |
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| lycopene | (noun) carotenoid that makes tomatoes red; may lower the risk of prostate cancer | - |
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| madrilene | (noun) a tomato-flavored consomme; often served chilled | - |
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| methapyrilene | (noun) antihistamine used to treat allergic responses (as rhinitis or dermatitis or pruritus) | - |
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| methylbenzene | (noun) a colorless flammable liquid obtained from petroleum or coal tar; used as a solvent for gums and lacquers and in high-octane fuels | Synonyms: toluene |
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| methylene | (noun) the bivalent radical CH2 derived from methane | Synonyms: methylene group, methylene radical |
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| naphthalene | (noun) a white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs | - |
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| neoprene | (noun) a synthetic rubber that is resistant to oils and aging; used in waterproof products | - |
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| nitrobenzene | (noun) a poisonous oily water-soluble liquid used as a solvent and in the manufacture of aniline | - |
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| oncogene | (noun) a gene that disposes normal cells to change into cancerous tumor cells | Synonyms: transforming gene |
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| oxyacetylene | (noun) a mixture of oxygen and acetylene; used to create high temperatures for cutting or welding metals | - |
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| oxybenzene | (noun) a toxic white soluble crystalline acidic derivative of benzene; used in manufacturing and as a disinfectant and antiseptic; poisonous if taken internally | Synonyms: carbolic acid, hydroxybenzene, phenol, phenylic acid |
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| pachytene | (noun) the third stage of the prophase of meiosis | - |
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| periselene | (noun) periapsis in orbit around the moon | Synonyms: perilune |
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| phenylethylene | (noun) a colorless oily liquid; the monomer for polystyrene | Synonyms: cinnamene, styrene, vinylbenzene |
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| philhellene | (noun) an admirer of Greece and everything Greek | Synonyms: Graecophile, philhellenist |
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| phosgene | (noun) a colorless poisonous gas that smells like new-mown hay; used in chemical warfare | - |
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| polybutene | (noun) a polymer of butylene; used in lubricants and synthetic rubber | Synonyms: polybutylene |
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| polybutylene | (noun) a polymer of butylene; used in lubricants and synthetic rubber | Synonyms: polybutene |
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| polyethylene | (noun) a lightweight thermoplastic; used especially in packaging and insulation | Synonyms: polythene |
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| polygene | (noun) a gene that by itself has little effect on the phenotype but which can act together with others to produce observable variations | - |
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| polypropene | (noun) a polymer of propylene used as a thermoplastic molding material | Synonyms: polypropylene |
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| polypropylene | (noun) a polymer of propylene used as a thermoplastic molding material | Synonyms: polypropene |
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| polystyrene | (noun) a polymer of styrene; a rigid transparent thermoplastic | - |
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| polytetrafluoroethylene | (noun) a material used to coat cooking utensils and in industrial applications where sticking is to be avoided | Synonyms: Teflon |
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| polythene | (noun) a lightweight thermoplastic; used especially in packaging and insulation | Synonyms: polyethylene |
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| propene | (noun) a flammable gas obtained by cracking petroleum; used in organic synthesis | Synonyms: propylene |
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| propoxyphene | (noun) a mildly narcotic analgesic drug (trade name Darvon) related to methadone but less addictive | Synonyms: Darvon, propoxyphene hydrochloride |
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| propylene | (noun) a flammable gas obtained by cracking petroleum; used in organic synthesis | Synonyms: propene |
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| pyrene | (noun) the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it | - |
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| (noun) a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar | - |
| pyroxene | (noun) any of a group of crystalline silicate mineral common in igneous and metamorphic rocks | - |
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| retinene | (noun) either of two yellow to red retinal pigments formed from rhodopsin by the action of light | Synonyms: retinal |
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| scene | (noun) the painted structures of a stage set that are intended to suggest a particular locale | Synonyms: scenery |
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| (noun) graphic art consisting of the graphic or photographic representation of a visual percept | Synonyms: view |
| (noun) the visual percept of a region | Synonyms: aspect, panorama, prospect, view, vista |
| (noun) a subdivision of an act of a play or performance | - |
| (noun) a consecutive series of pictures that constitutes a unit of action in a film | Synonyms: shot |
| (noun) an incident (real or imaginary) | - |
| (noun) the place where some action occurs | - |
| (noun) the context and environment in which something is set | Synonyms: setting |
| (noun) a situation treated as an observable object | Synonyms: picture |
| (noun) a display of bad temper | Synonyms: conniption, fit, tantrum |
| sene | (noun) 100 sene equal 1 tala in Western Samoa | - |
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| silene | (noun) any plant of the genus Silene | Synonyms: campion, catchfly |
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| spodumene | (noun) a pyroxene mineral consisting of lithium aluminum silicate; a source of lithium | - |
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| sthene | (noun) a unit of force equal to 1000 newtons | - |
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| styrene | (noun) a colorless oily liquid; the monomer for polystyrene | Synonyms: cinnamene, phenylethylene, vinylbenzene |
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| terpene | (noun) an unsaturated hydrocarbon obtained from plants | - |
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| terpinene | (noun) any of a group of isomeric hydrocarbons that are classified as terpenes. | - |
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| tetrachlorethylene | (noun) anthelmintic agent used against hookworm and other nematodes | Synonyms: carbon dichloride, ethylene tetrachloride, tetrachloroethylene |
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| tetrachloroethylene | (noun) anthelmintic agent used against hookworm and other nematodes | Synonyms: carbon dichloride, ethylene tetrachloride, tetrachlorethylene |
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| tetrafluoroethylene | (noun) a flammable gaseous fluorocarbon used in making plastics (polytetrafluoroethylene resins) | - |
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| thiothixene | (noun) a tranquilizer (trade name Navane) used to treat schizophrenia | Synonyms: Navane |
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| toluene | (noun) a colorless flammable liquid obtained from petroleum or coal tar; used as a solvent for gums and lacquers and in high-octane fuels | Synonyms: methylbenzene |
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| transgene | (noun) an exogenous gene introduced into the genome of another organism | - |
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| trichloroethylene | (noun) a heavy colorless highly toxic liquid used as a solvent to clean electronic components and for dry cleaning and as a fumigant; causes cancer and liver and lung damage | Synonyms: TCE, trichloroethane |
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| trinitrotoluene | (noun) explosive consisting of a yellow crystalline compound that is a flammable toxic derivative of toluene | Synonyms: TNT |
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| vinylbenzene | (noun) a colorless oily liquid; the monomer for polystyrene | Synonyms: cinnamene, phenylethylene, styrene |
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| xylene | (noun) a colorless flammable volatile liquid hydrocarbon used as a solvent | Synonyms: xylol |
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| zigadene | (noun) any of various plants of the genus Zigadenus having glaucous leaves and terminal racemes of mostly white flowers; all are poisonous | Synonyms: death camas |
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| zygotene | (noun) the second stage of the prophase of meiosis | - |
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