| DEMULTIPLEXERS | • demultiplexers n. Plural of demultiplexer. • DEMULTIPLEXER n. an electronic device that separates a multiplex signal into its component parts. |
| EXASPERATINGLY | • exasperatingly adv. In an exasperating manner; frustratingly. • EXASPERATING adv. exciting the anger of. |
| EXPLORATIONIST | • explorationist n. A person employed to locate new sources of petroleum or other naturally-occurring resource. • EXPLORATIONIST n. a scientist engaged in mineral exploration. |
| EXTRAPOLATIONS | • extrapolations n. Plural of extrapolation. • EXTRAPOLATION n. the act of extrapolating. |
| HETERODUPLEXES | • heteroduplexes n. Plural of heteroduplex. • HETERODUPLEX n. a nucleic-acid molecule, such as DNA, composed of two chains with each derived from a different parent molecule. |
| 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. |
| 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. |
| REEXPLORATIONS | • reexplorations n. Plural of reexploration. |
| SUPEREXCELLENT | • superexcellent adj. Uncommonly excellent; of supreme excellence. • superexcellent adj. Better than excellent. • SUPEREXCELLENT adj. excellent to a very high degree. |
| SUPERSEXUALITY | • supersexuality n. The quality of being supersexual. • SUPERSEXUALITY n. exceptional sexuality. |
| ULTRAEXPENSIVE | • ultraexpensive adj. Extremely expensive. |
| XENOTRANSPLANT | • xenotransplant n. An instance of xenotransplantation. • xenotransplant n. The graft (tissue or organ) transplanted in such an instance: Synonym of xenograft. • xenotransplant v. To carry out xenotransplantation. |
| XEROPHTHALMIAS | • xerophthalmias n. Plural of xerophthalmia. • XEROPHTHALMIA n. extreme dryness of the conjunctive, thought to stem from a vitamin A deficiency, also XEROMA. |
| XIPHIPLASTRALS | • XIPHIPLASTRAL n. a type of chelonian. |