| ASTAXANTHINS | • astaxanthins n. Plural of astaxanthin. |
| EXISTENTIALS | • existentials n. Plural of existential. • EXISTENTIAL n. an existential statement or formula. |
| EXPOSTULATES | • expostulates v. Third-person singular simple present indicative form of expostulate. • EXPOSTULATE v. to remonstrate; to discuss or reason with. |
| EXTENSIONIST | • extensionist n. One who favours or advocates extension. • EXTENSIONIST n. an advocate of extension; a university extension lecturer or student. |
| EXTERNALISTS | • externalists n. Plural of externalist. • EXTERNALIST n. a believer in externalism. |
| EXTRASYSTOLE | • extrasystole n. (Medicine) A premature contraction of the heart, producing an interruption or irregularity in heartbeat… • EXTRASYSTOLE n. a premature beat of one of the chambers of the heart that leads to momentary arrhythmia. |
| EXTRAVASATES | • extravasates v. Third-person singular simple present indicative form of extravasate. • EXTRAVASATE v. in pathology, to exude from a vessel into surrounding tissue; in geology, to erupt. |
| HETEROSEXIST | • heterosexist n. A homophobic heterosexual person. • HETEROSEXIST n. one who believes that homosexuality is a perversion. |
| HEXAMETRISTS | • hexametrists n. Plural of hexametrist. • HEXAMETRIST n. a writer of hexameters. |
| NONEXISTENTS | • nonexistents n. Plural of nonexistent. • NONEXISTENT n. something having no existence. |
| SPECTATRIXES | • spectatrixes n. Plural of spectatrix. • SPECTATRIX n. a female spectator, also SPECTATRESS. |
| STEREOTAXIAS | • STEREOTAXIA n. the electrical destruction of a small area of brain tissue, using stereotactic methods, to relieve disorders such as epilepsy and Parkinsonism. |
| TAXIDERMISTS | • taxidermists n. Plural of taxidermist. • TAXIDERMIST n. one who practises taxidermy. |