| achene | (noun) small dry indehiscent fruit with the seed distinct from the fruit wall | - |
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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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| 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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| hexachlorophene | (noun) antibacterial substance that is a water-soluble powder used in antiseptic soaps and toothpaste | - |
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| isophene | (noun) a line indicating biological events occurring with coincidence such as plants flowering. | - |
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| polythene | (noun) a lightweight thermoplastic; used especially in packaging and insulation | Synonyms: polyethylene |
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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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| sthene | (noun) a unit of force equal to 1000 newtons | - |
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