| CRYOPHORUS | • cryophorus n. (Chemistry) An instrument used to illustrate the freezing of water by its own evaporation. The ordinary… • CRYOPHORUS n. an instrument for showing the decrease in the temperature of water by its evaporation. |
| DRAYHORSES | • DRAYHORSE n. a horse used to pull a dray. |
| ERYTHROSIN | • erythrosin n. (Chemistry) A red substance formed by the oxidation of tyrosin. • erythrosin n. (Chemistry) A red dyestuff obtained from fluorescein by the action of iodine. • ERYTHROSIN n. a red substance formed by the oxidation of tyrosine, also ERYTHROSINE. |
| HYDROLYSER | • hydrolyser n. That which hydrolyses. • HYDROLYSER n. an agent that hydrolyses, also HYDROLYZER. |
| HYDROSERES | • hydroseres n. Plural of hydrosere. • HYDROSERE n. an ecological sere originating in an aquatic habitat. |
| HYGRISTORS | • hygristors n. Plural of hygristor. • HYGRISTOR n. an electronic component whose resistance varies with humidity. |
| OVERRASHLY | • overrashly adv. With excessive rashness. • OVERRASH adv. excessively rash. |
| PORPHYRIAS | • porphyrias n. Plural of porphyria. • PORPHYRIA n. any of various disorders of metabolism resulting in the excretion of an excessive quantity of porphyrins in the urine. |
| PORPHYRIES | • porphyries n. Plural of porphyry. • PORPHYRY n. (Greek) a very hard, variegated rock of a purple and white colour, used in sculpture. |
| PORPHYRINS | • porphyrins n. Plural of porphyrin. • PORPHYRIN n. any of a large group of red or purple crystalline pigments present in plant and animal tissues. |
| PORPHYRIOS | • porphyrios n. Plural of porphyrio. • PORPHYRIO n. any bird of the purple-coot genus Porphyrio. |
| PORPHYROUS | • porphyrous adj. Of or crafted from porphyry. • porphyrous adj. Of purple hue, like that of porphyry. • PORPHYROUS adj. purple. |
| PREHENSORY | • prehensory adj. Adapted to seize or grasp; prehensile. • PREHENSORY adj. adapted to seize or grasp; prehensile, also PREHENSILE, PREHENSIVE, PREHENSORIAL. |
| PREHISTORY | • prehistory n. The time before written records in any area of the world; the events and conditions of those times. • prehistory n. The study of those times. • prehistory n. (Humorous, hyperbolic) Any past time (even recent) treated as such a distant, unknowable era. |
| PYORRHOEAS | • pyorrhoeas n. Plural of pyorrhoea. • PYORRHOEA n. suppuration in the sockets of the teeth, also PYORRHEA. |
| PYROPHORUS | • pyrophorus n. A substance capable of taking fire spontaneously on exposure to the air, especially in a finely divided state. • Pyrophorus prop.n. A taxonomic genus within the family Elateridae – fire beetles, bioluminescent click beetles. • PYROPHORUS n. any substance capable of igniting spontaneously on exposure to air. |
| THYRATRONS | • thyratrons n. Plural of thyratron. • THYRATRON n. a gas-filled valve with a heated cathode, able to carry very high currents. |
| THYRISTORS | • thyristors n. Plural of thyristor. • THYRISTOR n. a thyratron-like solid-state semiconductor device. |