| ALEXANDERSES | • ALEXANDERS n. an umbelliferous plant, the stems of which were formerly eaten as celery is now. |
| EXISTENTIALS | • existentials n. Plural of existential. • EXISTENTIAL n. an existential statement or formula. |
| EXONUCLEASES | • exonucleases n. Plural of exonuclease. • EXONUCLEASE n. an enzyme that breaks down a nucleic acid by removing nucleotides one by one from the end of a chain. |
| EXOSKELETONS | • exoskeletons n. Plural of exoskeleton. • EXOSKELETON n. an external skeleton. |
| EXPLICITNESS | • explicitness n. The state or characteristic of being explicit. • EXPLICITNESS n. the state of being explicit. |
| EXPRESSIONAL | • expressional adj. Of or pertaining to expression, either in language, genetics, the face or the arts. • EXPRESSIONAL adj. relating to expression. |
| EXTERNALISES | • externalises v. Third-person singular simple present indicative form of externalise. • EXTERNALISE v. to make external, also EXTERNALIZE. |
| EXTERNALISMS | • externalisms n. Plural of externalism. • EXTERNALISM n. undue regard to mere externals or nonessential outward forms, esp. of religion. |
| EXTERNALISTS | • externalists n. Plural of externalist. • EXTERNALIST n. a believer in externalism. |
| FLEXIBLENESS | • flexibleness n. The state or quality of being flexible. • FLEXIBLENESS n. the state of being flexible. |
| INTERSEXUALS | • intersexuals n. Plural of intersexual. • INTERSEXUAL n. someone existing between sexes. |
| LAXATIVENESS | • laxativeness n. The quality of being laxative. • LAXATIVENESS n. the state of being laxative. |
| PROLIXNESSES | • PROLIXNESS n. the state of being prolix. |
| XENOGLOSSIES | • xenoglossies n. Plural of xenoglossy. • XENOGLOSSY n. a person's knowledge of a language never studied, also XENOGLOSSIA. |