| BRAINBOXES | • brainboxes n. Plural of brainbox. • BRAINBOX n. a clever person. |
| CHRONAXIES | • chronaxies n. Plural of chronaxie. • CHRONAXY n. a time constant in the excitation of a nerve or muscle, also CHRONAXIE. |
| EXARATIONS | • exarations n. Plural of exaration. • EXARATION n. the act of writing or engraving on stone. |
| EXONERATES | • exonerates v. Third-person singular simple present indicative form of exonerate. • EXONERATE v. to clear of blame. |
| EXORATIONS | • exorations n. Plural of exoration. • EXORATION n. (obsolete) entreaty. |
| EXTRANEOUS | • extraneous adj. Not belonging to, or dependent upon, a thing; without or beyond a thing; foreign. • extraneous adj. Not essential or intrinsic. • EXTRANEOUS adj. not forming an essential or vital part. |
| EXTROPIANS | • extropians n. Plural of extropian. • Extropians n. Plural of Extropian. • EXTROPIAN n. a believer in extropy, the principle that human intelligence will enable life to expand throughout the universe. |
| HEXANDROUS | • hexandrous adj. Alternative form of hexandrian. • HEXANDROUS adj. having six stamens, also HEXANDRIAN. |
| SARDONYXES | • sardonyxes n. Plural of sardonyx. • SARDONYX n. (Greek) an onyx with alternate layers of sard and other mineral. |
| SYNAXARION | • synaxarion n. (Christianity) A compilation of hagiographies corresponding roughly to the martyrology of the Roman Church. • SYNAXARION n. a lection containing an account of a saint's life. |
| TANOREXICS | • tanorexics n. Plural of tanorexic. • TANOREXIC n. a person obsessed with maintaining a permanent deep tan, esp. through use of tanning machines. |
| TAXONOMERS | • taxonomers n. Plural of taxonomer. • TAXONOMER n. a specialist in taxonomy, also TAXONOMIST. |
| XENOGRAFTS | • xenografts n. Plural of xenograft. • XENOGRAFT n. a graft of tissue between individuals of different species. |
| XIPHOSURAN | • xiphosuran n. (Zoology) Any member of the order Xiphosura, including horseshoe crabs. • xiphosuran adj. (Zoology) Of or pertaining to the order Xiphosura. • XIPHOSURAN adj. belonging to the Xiphosura, an order of Arthropoda of which the only survivors are the king crabs. |