| CHRYSOLITES | • chrysolites n. Plural of chrysolite. • CHRYSOLITE n. a yellow variety of olivine. |
| CHRYSOTILES | • chrysotiles n. Plural of chrysotile. • CHRYSOTILE n. an asbestiform variety of serpentine. |
| CHYMISTRIES | • chymistries n. Plural of chymistry. • CHYMISTRY n. (archaic) chemistry. |
| HETEROCYSTS | • heterocysts n. Plural of heterocyst. • HETEROCYST n. a cell larger than the others, and of different appearance, occurring in certain algae related to nostoc. |
| MYTHICISERS | • mythicisers n. Plural of mythiciser. • MYTHICISER n. one who mythicises, also MYTHICIZER. |
| PHENOCRYSTS | • phenocrysts n. Plural of phenocryst. • PHENOCRYST n. a larger crystal in a porphyritic rock. |
| PHYSIATRICS | • physiatrics n. (Medicine) Physical medicine or therapy. • PHYSIATRICS n. the treatment of injury by physical means. |
| PHYSIOCRATS | • physiocrats n. Plural of physiocrat. • PHYSIOCRAT n. one of the followers of Quesnay of France, who, in the 18th century, founded a system of political economy based upon the supremacy of natural order. |
| POLYCHRESTS | • polychrests n. Plural of polychrest. • POLYCHREST n. a thing or medicine useful in many ways. |
| PSYCHIATERS | • psychiaters n. Plural of psychiater. • PSYCHIATER n. (archaic) a psychiatrist, also PSYCHIATRIST. |
| PYRRHICISTS | • pyrrhicists n. Plural of pyrrhicist. • PYRRHICIST n. (historical) one who danced the pyrrhic. |
| SCIRRHOSITY | • scirrhosity n. (Medicine) A morbid induration, as of a gland; the state of being scirrhous. • SCIRRHOSITY n. the state of being scirrhous, resembling a scirrhus, a hard swelling. |
| SKYWATCHERS | • skywatchers n. Plural of skywatcher. |
| SPHEROCYTES | • spherocytes n. Plural of spherocyte. • SPHEROCYTE n. an abnormal red-blood cell that is spherical rather than disc-shaped. |
| SPYCATCHERS | • spycatchers n. Plural of spycatcher. • SPYCATCHER n. a person who works in counterintelligence to detect enemy espionage activities. |
| STRYCHNINES | • strychnines n. Plural of strychnine. • STRYCHNINE v. to poison with strychnine, a very poisonous alkaloid obtained from the seeds of the nux vomica plant. |
| STRYCHNISMS | • STRYCHNISM n. strychnine poisoning, also STRYCHNINISM. |
| SWITCHYARDS | • switchyards n. Plural of switchyard. • SWITCHYARD n. an enclosed area for the switching facilities of a power station. |
| TRICHOCYSTS | • trichocysts n. Plural of trichocyst. • TRICHOCYST n. a lasso cell. |