| ANTIHOMOSEXUAL | • antihomosexual adj. Opposed to homosexuality. • antihomosexual n. A person who opposes homosexuality. • ANTIHOMOSEXUAL adj. opposed to homosexuality. |
| EXHAUSTIBILITY | • exhaustibility n. The property of being exhaustible. • EXHAUSTIBILITY n. the state of being exhaustible. |
| EXHILARATINGLY | • exhilaratingly adv. In a way that exhilarates. • EXHILARATING adv. EXHILARATE, to make cheerful and excited. |
| EXOTHERMICALLY | • exothermically adv. In an exothermic manner. • EXOTHERMIC adv. of a chemical reaction, giving out heat, also EXOTHERMAL. |
| EXTINGUISHABLE | • extinguishable adj. Able to be extinguished. • EXTINGUISHABLE adj. that can be extinguished. |
| 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). |
| HETEROFLEXIBLE | • heteroflexible adj. Primarily heterosexual, but open to taking part in a limited amount of homosexual activity. • heteroflexible n. Someone who is heteroflexible. • HETEROFLEXIBLE n. one of flexible sexual orientation. |
| HEXACTINELLIDS | • hexactinellids n. Plural of hexactinellid. • HEXACTINELLID n. a kind of six-rayed sponge. |
| HOMOSEXUALISTS | • homosexualists n. Plural of homosexualist. • HOMOSEXUALIST n. a homosexual. |
| HYDROXYLATIONS | • hydroxylations n. Plural of hydroxylation. • HYDROXYLATION n. the act of hydroxylating. |
| 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. |
| HYPEREXCITABLE | • hyperexcitable adj. Unusually or excessively excitable. • HYPEREXCITABLE adj. excessively excitable. |
| HYPERSEXUALITY | • hypersexuality n. The desire for sexual activity at levels high enough to be considered clinically significant. • HYPERSEXUALITY n. the state of being hypersexual. |
| LEXICOGRAPHIST | • lexicographist n. (Chiefly archaic) A student specialising in the discipline of lexicography; lexicographer. • LEXICOGRAPHIST n. one who makes dictionaries. |
| METHYLXANTHINE | • methylxanthine n. (Organic chemistry) Any of a group of compounds, such as caffeine, formed through the methylation of xanthines. • METHYLXANTHINE n. a methylated xanthine derivative, such as caffeine, theobromine, or theophylline. |
| XEROPHTHALMIAS | • xerophthalmias n. Plural of xerophthalmia. • XEROPHTHALMIA n. extreme dryness of the conjunctive, thought to stem from a vitamin A deficiency, also XEROMA. |
| XEROPHYTICALLY | • xerophytically adv. As a xerophyte. • XEROPHYTIC adv. able to withstand drought. |
| XIPHIPLASTRALS | • XIPHIPLASTRAL n. a type of chelonian. |