| ASTROSPHERE | • astrosphere n. A cavity filled with hot gas blown into the interstellar medium by stellar winds. • ASTROSPHERE n. another name for a centrosome. |
| EPIRRHEMATA | • epirrhemata n. Plural of epirrhema. • EPIRRHEMA n. (Greek) in Greek comedy, the address of the coryphaeus to the audience after the parabasis. |
| HETEROPOLAR | • heteropolar adj. Of an electric generator that produces alternating current. • heteropolar adj. (Chemistry) Formed by ions of opposite charge. • HETEROPOLAR adj. polar, in the chemical sense. |
| HYPERMARKET | • hypermarket n. A combination of department store and supermarket. • HYPERMARKET n. a very large self-service store, also HYPERMART. |
| KERATOPHYRE | • keratophyre n. (Petrography) A compact porphyritic rock composed of alkali-feldspars and diopside, and possibly including quartz. • KERATOPHYRE n. a fine-grained soda trachyte. |
| PERCHLORATE | • perchlorate n. (Chemistry) any salt of perchloric acid; used in pyrotechnics and as powerful oxidizing agents. • PERCHLORATE n. a salt or ester of perchloric acid. |
| PREHARVESTS | • PREHARVEST n. the period before harvest. |
| PRETERHUMAN | • preterhuman adj. More than human; superhuman. • preter-human adj. (Rare) Beyond what is human. • PRETERHUMAN adj. more than human. |
| PURPLEHEART | • purpleheart n. A large tropical tree, of the genus Peltogyne, native to parts of South America and the West Indies. • purpleheart n. The purplish heartwood of this tree, used to make furniture. • purple␣heart n. The drug phenobarbitone when taken recreationally. |
| SEROTHERAPY | • serotherapy n. (Medicine) The therapeutic use of sera or vaccines. • SEROTHERAPY n. treatment with a serum or antitoxin. |
| STEREOGRAPH | • stereograph n. A pair of stereoscopic images that give a three-dimensional effect when viewed through a stereoscope… • stereograph v. (Transitive) To create a stereograph of. • STEREOGRAPH n. a picture used in stereoscope. |
| SUPERHEATER | • superheater n. A component of a boiler system that heats the steam above its saturation temperature to prevent it condensing… • SUPERHEATER n. a device for superheating. |
| TELEGRAPHER | • telegrapher n. (Historical) A telegraph operator, one who sent telegrams. • TELEGRAPHER n. one who operates a telegraph. |