| EXCHANGEABILITY | • exchangeability n. The condition of being exchangeable. • EXCHANGEABILITY n. the state of being exchangeable. |
| EXOPHTHALMIC | • exophthalmic adj. Of, or relating to exophthalmos. • exophthalmic adj. Having prominent eyeballs. • EXOPHTHALMIC adj. pertaining to or marked by protrusion of eyeball. |
| EXOTHERMICALLY | • exothermically adv. In an exothermic manner. • EXOTHERMIC adv. of a chemical reaction, giving out heat, also EXOTHERMAL. |
| 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). |
| HAEMATOXYLIC | • HAEMATOXYLIC adj. of or like haematoxylin. |
| HEXACTINAL | • hexactinal adj. (Biology) Having six rays. • HEXACTINAL adj. having six rays. |
| HEXACTINELLID | • hexactinellid n. Any of the many sponges of class Hexactinellida, which have hexactine spicules; a glass sponge. • HEXACTINELLID n. a kind of six-rayed sponge. |
| HEXACTINELLIDS | • hexactinellids n. Plural of hexactinellid. • HEXACTINELLID n. a kind of six-rayed sponge. |
| HEXADACTYLIC | • hexadactylic adj. Hexadactylous. • HEXADACTYLIC adj. having six fingers, also HEXADACTYLOUS. |
| HEXAMETRICAL | • hexametrical adj. Hexametric; consisting of six metrical feet. • HEXAMETRICAL adj. of verse, written in hexameters, also HEXAMETRAL, HEXAMETRIC. |
| HEXASTICHAL | • HEXASTICHAL adj. having six lines or rows, also HEXASTICHIC. |
| 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. |
| LEXICOGRAPHIST | • lexicographist n. (Chiefly archaic) A student specialising in the discipline of lexicography; lexicographer. • LEXICOGRAPHIST n. one who makes dictionaries. |
| LEXICOGRAPHISTS | • lexicographists n. Plural of lexicographist. • LEXICOGRAPHIST n. one who makes dictionaries. |
| PSYCHOSEXUALITY | • psychosexuality n. The psychological aspects of sexuality. • PSYCHOSEXUALITY n. the psychic factors of sex. |
| TACHYPHYLAXIS | • tachyphylaxis n. (Medicine) A rapidly decreasing response to a drug following administration of the initial doses. • TACHYPHYLAXIS n. very rapid development of tolerance or immunity to the effects of a drug. |
| XEROPHTHALMIC | • xerophthalmic adj. Of or pertaining to xerophthalmia. • XEROPHTHALMIC adj. relating to xerophthalmia. |
| XEROPHYTICALLY | • xerophytically adv. As a xerophyte. • XEROPHYTIC adv. able to withstand drought. |
| XYLOTYPOGRAPHIC | • xylotypographic adj. Of or pertaining to xylotypography. • XYLOTYPOGRAPHIC adj. relating to, or printed from, wooden type. |