PPage 512
- English Word Pyromucic Definition Pertaining to, derived from, or designating, an acid obtained as a white crystalline substance by the distillation of mucic acid, or by the oxidation of furfurol.
- English Word Pyronomics Definition The science of heat.
- English Word Pyrope Definition A variety of garnet, of a poppy or blood-red color, frequently with a tinge of orange. It is used as a gem. See the Note under Garnet.
- English Word Pyrophane Definition A mineral which is opaque in its natural state, but is said to change its color and become transparent by heat.
- English Word Pyrophanous Definition Rendered transparent by heat.
- English Word Pyrophone Definition A musical instrument in which the tones are produced by flames of hydrogen, or illuminating gas, burning in tubes of different sizes and lengths.
- English Word Pyrophoric Definition Alt. of Pyrophorous
- English Word Pyrophorous Definition Light-producing; of or pertaining to pyrophorus.
- English Word Pyrophorus Definition Any one of several substances or mixtures which phosphoresce or ignite spontaneously on exposure to air, as a heated mixture of alum, potash, and charcoal, or a mixture of charcoal and finely divided lead.
- English Word Pyrophosphate Definition A salt of pyrophosphoric acid.
- English Word Pyrophosphoric Definition Pertaining to, or designating, an acid, H4P2O7, which is obtained as a white crystalline substance. Its salts are obtained by heating the phosphates.
- English Word Pyrophyllite Definition A mineral, usually of a white or greenish color and pearly luster, consisting chiefly of the hydrous silicate of alumina.
- English Word Pyroscope Definition An instrument for measuring the intensity of heat radiating from a fire, or the cooling influence of bodies. It is a differential thermometer, having one bulb coated with gold or silver leaf.
- English Word Pyrosis Definition See Water brash, under Brash.
- English Word Pyrosmalite Definition A mineral, usually of a pale brown or of a gray or grayish green color, consisting chiefly of the hydrous silicate of iron and manganese; -- so called from the odor given off before the blowpipe.
- English Word Pyrosome Definition Any compound ascidian of the genus Pyrosoma. The pyrosomes form large hollow cylinders, sometimes two or three feet long, which swim at the surface of the sea and are very phosphorescent.
- English Word Pyrosulphate Definition A salt of pyrosulphuric acid.
- English Word Pyrosulphuric Definition Pertaining to, or designating, an acid called also disulphuric acid) obtained by distillation of certain sulphates, as a colorless, thick, oily liquid, H2S2O7 resembling sulphuric acid. It is used in the solution of indigo, in the manufacture of alizarin, and in dehydration.
- English Word Pyrotartaric Definition Pertaining to, or designating, an acid obtained as a white crystalline substance by the distillation of tartaric acid.
- English Word Pyrotartrate Definition A salt of pyrotartaric acid.
- English Word Pyrotechnian Definition A pyrotechnist.
- English Word Pyrotechnic Definition Alt. of Pyrotechnical
- English Word Pyrotechnical Definition Of or pertaining to fireworks, or the art of forming them.
- English Word Pyrotechnician Definition A pyrotechnist.
- English Word Pyrotechnics Definition The art of making fireworks; the manufacture and use of fireworks; pyrotechny.
- English Word Pyrotechnist Definition One skilled in pyrotechny; one who manufactures fireworks.
- English Word Pyrotechny Definition The use and application of fire in science and the arts.
- English Word Pyrotechny Definition Same as Pyrotechnics.
- English Word Pyrothonide Definition A kind of empyreumatic oil produced by the combustion of textures of hemp, linen, or cotton in a copper vessel, -- formerly used as a remedial agent.
- English Word Pyrotic Definition Caustic. See Caustic.