| EXCEPTIONALS | • exceptionals n. Plural of exceptional. • EXCEPTIONAL n. someone having above or below average intelligence. |
| EXOSPHERICAL | • EXOSPHERICAL adj. related to the exosphere, the outermost layer of the earth's atmosphere, also EXOSPHERIC. |
| EXPONENTIALS | • exponentials n. Plural of exponential. • EXPONENTIAL n. an exponential function. |
| EXPOSTULATED | • expostulated v. Simple past tense and past participle of expostulate. • EXPOSTULATE v. to remonstrate; to discuss or reason with. |
| EXPOSTULATES | • expostulates v. Third-person singular simple present indicative form of expostulate. • EXPOSTULATE v. to remonstrate; to discuss or reason with. |
| EXPRESSIONAL | • expressional adj. Of or pertaining to expression, either in language, genetics, the face or the arts. • EXPRESSIONAL adj. relating to expression. |
| EXTRAPOLATES | • extrapolates v. Third-person singular simple present indicative form of extrapolate. • EXTRAPOLATE v. to infer (values of a variable in an unobserved interval) from values within an already observed interval. |
| HEXAPLOIDIES | • HEXAPLOIDY n. the state of having six times the normal number of chromosomes. |
| INEXPANSIBLE | • inexpansible adj. Incapable of expansion or enlargement. • INEXPANSIBLE adj. not expansible. |
| LEXIGRAPHIES | • lexigraphies n. Plural of lexigraphy. • LEXIGRAPHY n. the art of the definition of words. |
| MAXILLIPEDES | • maxillipedes n. Plural of maxillipede. • MAXILLIPEDE n. one of the mouth appendages of Crustacea, situated next behind the maxillae, also MAXILLIPED. |
| OVEREXPLAINS | • overexplains v. Third-person singular simple present indicative form of overexplain. • OVEREXPLAIN v. to explain to excess. |
| OXYCEPHALIES | • oxycephalies n. Plural of oxycephaly. • OXYCEPHALY n. the condition of having a conical skull. |
| PLEXIGLASSES | • plexiglasses n. Plural of plexiglass. • PLEXIGLASS n. acrylic plastic sheets. |
| PRATTLEBOXES | • prattleboxes n. Plural of prattlebox. • PRATTLEBOX n. a prattler, a chatterbox. |
| PRAXEOLOGIES | • praxeologies n. Plural of praxeology. • PRAXEOLOGY n. the study of human action and conduct. |
| QUADRUPLEXES | • quadruplexes n. Plural of quadruplex. • QUADRUPLEX v. to make quadruplex. |
| SEXTUPLICATE | • sextuplicate adj. Six times the number, volume, length, etc. (of something else). • sextuplicate adj. Comprising six identical parts. • sextuplicate n. A series, set, collection, or group of six identical copies of something. |
| SUPEREXALTED | • superexalted v. Simple past tense and past participle of superexalt. • superexalted adj. (Rare) Raised to the highest status or rank; supremely exalted. • SUPEREXALT v. to exalt to a superior degree. |