| AUXOSPORES | • auxospores n. Plural of auxospore. • AUXOSPORE n. a diatom cell before its siliceous wall is formed. |
| EXCLOSURES | • exclosures n. Plural of exclosure. • EXCLOSURE n. an area shut off from intrusion. |
| EXCLUSIONS | • exclusions n. Plural of exclusion. • EXCLUSION n. the act of excluding. |
| EXCURSIONS | • excursions n. Plural of excursion. • EXCURSION v. to go on an excursion. |
| EXONUMISTS | • exonumists n. Plural of exonumist. • EXONUMIST n. a collector of medals and tokens. |
| EXOSPOROUS | • exosporous adj. Relating to an exospore. • EXOSPOROUS adj. of or like an exospore, the extreme outer wall of a spore; the epispore. |
| EXPOSTURES | • EXPOSTURE n. (Shakespeare) exposure. |
| EXPULSIONS | • expulsions n. Plural of expulsion. • EXPULSION n. the act of expelling or state of being expelled. |
| EXTRUSIONS | • extrusions n. Plural of extrusion. • EXTRUSION n. the act of extruding. |
| JUXTAPOSES | • juxtaposes v. Third-person singular simple present indicative form of juxtapose. • JUXTAPOSE v. to place side by side. |
| OXYURIASES | • OXYURIASIS n. pinworm infestation. |
| POXVIRUSES | • poxviruses n. Plural of poxvirus. • POXVIRUS n. any one of a group of DNA-containing animal viruses. |
| SAUCEBOXES | • sauceboxes n. Plural of saucebox. • SAUCEBOX n. a saucy, impudent person; esp. a pert child, also SAUCEPOT. |
| SCRUMPOXES | • SCRUMPOX n. (slang) rugby slang for impetigo spread by players' faces rubbing together in the scrum. |
| SNUFFBOXES | • snuffboxes n. Plural of snuffbox. • snuff-boxes n. Plural of snuff-box. • snuff␣boxes n. Plural of snuff box. |
| SOUNDBOXES | • soundboxes n. Plural of soundbox. • sound␣boxes n. Plural of sound box. • SOUNDBOX n. a resonant cavity in a musical instrument. |
| SULFOXIDES | • sulfoxides n. Plural of sulfoxide. • SULFOXIDE n. any of a class of carbon compounds featuring sulphur, also SULPHOXIDE. |
| TROUSSEAUX | • trousseaux n. Plural of trousseau. • TROUSSEAU n. (French) clothes collected by a bride for her marriage. |