| COEXTENSION | • coextension n. The act of extending equally, or the state of being equally extended. • COEXTENSION n. the act of coextending. |
| COMPLEXIONS | • complexions n. Plural of complexion. • complex␣ions n. Plural of complex ion. • COMPLEXION n. the colour or look of the skin. |
| EXOCYTOSING | • exocytosing v. Present participle of exocytose. • EXOCYTOSE v. to secrete a substance from within a cell. |
| EXODONTISTS | • exodontists n. Plural of exodontist. • EXODONTIST n. a specialist in exodontia, the branch of dentistry involving the extraction of teeth. |
| EXPOSITIONS | • expositions n. Plural of exposition. • EXPOSITION n. a setting forth of the meaning or purpose (as of a writing). |
| EXSOLUTIONS | • exsolutions n. Plural of exsolution. • EXSOLUTION n. relaxation. |
| HAEMOTOXINS | • haemotoxins n. Plural of haemotoxin. • HAEMOTOXIN n. a substance that destroys red blood cells, also HEMOTOXIN. |
| NEUROTOXINS | • neurotoxins n. Plural of neurotoxin. • NEUROTOXIN n. a nerve poison. |
| NOXIOUSNESS | • noxiousness n. The state of being noxious. • NOXIOUSNESS n. the state of being noxious. |
| OVERANXIOUS | • overanxious adj. Excessively anxious or nervous. • OVERANXIOUS adj. excessively anxious. |
| PYROXENOIDS | • pyroxenoids n. Plural of pyroxenoid. • PYROXENOID n. a mineral like pyroxene, a common mineral occurring in monoclinic crystals. |
| TETROTOXINS | • TETROTOXIN n. a deadly nerve poison found in a species of Japanese puffer fish, also TETRODOTOXIN. |
| XENOBIOTICS | • xenobiotics n. Plural of xenobiotic. • XENOBIOTIC n. a xenobiotic substance or item. |
| XENOGLOSSIA | • xenoglossia n. Synonym of xenoglossy (“knowledge of a language one has never learned”). • XENOGLOSSIA n. a person's knowledge of a language never studied, also XENOGLOSSY. |
| XENOPHOBIAS | • xenophobias n. Plural of xenophobia. • XENOPHOBIA n. fear of foreigners, also XENOPHOBY. |
| XENOPHOBIES | • XENOPHOBY n. fear of foreigners, also XENOPHOBIA. |