| AUTOSEXINGS | • AUTOSEXING n. the act of self-sexing. |
| AXIOMATISES | • axiomatises v. Third-person singular simple present indicative form of axiomatise. • AXIOMATISE v. to make axiomatic, also AXIOMATIZE. |
| EXHAUSTIONS | • exhaustions n. Plural of exhaustion. • EXHAUSTION n. the act of exhausting. |
| 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). |
| EXPOSITRESS | • expositress n. (Dated) A female expositor. • EXPOSITRESS n. a female expositor. |
| EXSICCATORS | • exsiccators n. Plural of exsiccator. • EXSICCATOR n. a drying agent or apparatus. |
| EXSOLUTIONS | • exsolutions n. Plural of exsolution. • EXSOLUTION n. relaxation. |
| EXSTROPHIES | • exstrophies n. Plural of exstrophy. • EXSTROPHY n. congenital eversion of a hollow organ, esp. the bladder. |
| MASTOPEXIES | • mastopexies n. Plural of mastopexy. • MASTOPEXY n. cosmetic surgery of breasts. |
| SEXOLOGISTS | • sexologists n. Plural of sexologist. • SEXOLOGIST n. an expert on sexual behaviour. |
| SEXTILLIONS | • sextillions n. Plural of sextillion. • SEXTILLION n. a thousand raised to the seventh power (10 to the 21). |
| SEXTONSHIPS | • sextonships n. Plural of sextonship. • SEXTONSHIP n. the office of a sexton. |
| STEREOTAXIS | • stereotaxis n. Stereotaxic surgery. • stereotaxis n. The movement of an organism when touched; thigmotaxis. • STEREOTAXIS n. the reaction of an organism to contact with a solid body. |
| STYLOSTIXES | • STYLOSTIXIS n. acupuncture. |
| XEROSTOMIAS | • xerostomias n. Plural of xerostomia. • XEROSTOMIA n. excessive dryness of the mouth due to insufficient secretions, also XEROSTOMA. |
| XEROTRIPSES | • XEROTRIPSIS n. dry friction. |
| XEROTRIPSIS | • xerotripsis n. Dry friction, rubbing or abrasion. • XEROTRIPSIS n. dry friction. |