| AXEROPHTHOLS | • AXEROPHTHOL n. vitamin A, a pale yellow crystalline substance, deficiency of which causes xerophthalmia. |
| EXFOLIATIONS | • exfoliations n. Plural of exfoliation. • EXFOLIATION n. the process by which concentric scales, plates, or shells of rock are stripped or spall from the bare surface of a large rock mass. |
| EXOBIOLOGIST | • exobiologist n. A biologist whose speciality is exobiology. • EXOBIOLOGIST n. a student of exobiology. |
| EXOPHTHALMOS | • exophthalmos n. (Pathology) An abnormal protrusion of the eyeball from its socket. • EXOPHTHALMOS n. abnormal protrusion of the eyeball, also EXOPHTHALMUS. |
| EXOSKELETONS | • exoskeletons n. Plural of exoskeleton. • EXOSKELETON n. an external skeleton. |
| EXPLORATIONS | • explorations n. Plural of exploration. • EXPLORATION n. the act or an instance of exploring. |
| EXPOSITIONAL | • expositional adj. Explained in clear terms, as in writing. • expositional adj. Declared information openly. • EXPOSITIONAL adj. relating to exposition. |
| EXPOSITORILY | • expositorily adv. In an expository fashion. • EXPOSITORY adv. pertaining to, or containing, exposition. |
| EXPOSTULATOR | • expostulator n. One who expostulates. • EXPOSTULATOR n. one who expostulates. |
| LEXICOLOGIST | • lexicologist n. An expert at lexicology. • LEXICOLOGIST n. a practitioner of lexicology. |
| OVEREXPLOITS | • overexploits v. Third-person singular simple present indicative form of overexploit. • OVEREXPLOIT v. to exploit to excess. |
| TOXICOLOGIES | • toxicologies n. Plural of toxicology. • TOXICOLOGY n. the science which treats of poisons, their effects, antidotes, and recognition. |
| TOXICOLOGIST | • toxicologist n. A scientist or physician who specializes in toxicology. • TOXICOLOGIST n. an expert in toxicology. |
| TOXOPHILITES | • toxophilites n. Plural of toxophilite. • TOXOPHILITE n. one fond of or expert at archery. |
| XYLOPHONISTS | • xylophonists n. Plural of xylophonist. • XYLOPHONIST n. one who plays the xylophone. |