| ALEXIPHARMAKON | • alexipharmakon n. Alternative form of alexipharmacon. • ALEXIPHARMAKON n. an antidote to poison.
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| ANTIHOMOSEXUAL | • antihomosexual adj. Opposed to homosexuality. • antihomosexual n. A person who opposes homosexuality.
 • ANTIHOMOSEXUAL adj. opposed to homosexuality.
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| CANTHAXANTHINE | • CANTHAXANTHINE n. a naturally occurring carotenoid used esp. as a color additive for food, also CANTHAXANTHIN. | 
| DEXAMETHASONES | • dexamethasones n. Plural of dexamethasone. • DEXAMETHASONE n. a synthetic glucocorticoid used esp. as an anti-inflammatory agent.
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| DEXAMPHETAMINE | • dexamphetamine n. Dextroamphetamine. • DEXAMPHETAMINE n. the dextrorotatory isomer of amphetamine, used as a stimulant.
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| EXHILARATINGLY | • exhilaratingly adv. In a way that exhilarates. • EXHILARATING adv. EXHILARATE, to make cheerful and excited.
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| EXTRAVEHICULAR | • extravehicular adj. Relating to, on happening in, the space outside a vehicle, especially a spacecraft in space. • extra-vehicular adj. Alternative spelling of extravehicular.
 • EXTRAVEHICULAR adj. taking place outside a vehicle (as a spacecraft).
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| HEXOSAMINIDASE | • hexosaminidase n. (Biochemistry) Any enzyme that catalyzes the hydrolysis of terminal hexosamine residues in hexosaminides. • HEXOSAMINIDASE n. either of two hydrolytic enzymes that catalyze the splitting off of a hexose from a ganglioside and are deficient in some metabolic diseases.
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| HYDROXYAPATITE | • hydroxyapatite n. A basic calcium phosphate mineral that is the principal inorganic constituent of bone and teeth. • HYDROXYAPATITE n. a complex phosphate of calcium that occurs as a mineral and is the chief structural element of vertebrate bone.
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| HYPERCATALEXES | • HYPERCATALEXIS n. the state of being hypercatalectic. | 
| HYPERCATALEXIS | • hypercatalexis n. (Poetry) The addition of one or two syllables to the last foot of a verse. • HYPERCATALEXIS n. the state of being hypercatalectic.
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| XANTHOMELANOUS | • xanthomelanous adj. (Anthropology, dated) Having yellow, brown, or olive skin and black hair. • XANTHOMELANOUS adj. applied by Huxley to members of the human race with black hair and yellow or olive skins.
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| XEROPHTHALMIAS | • xerophthalmias n. Plural of xerophthalmia. • XEROPHTHALMIA n. extreme dryness of the conjunctive, thought to stem from a vitamin A deficiency, also XEROMA.
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