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Pyrolithic :: Pyrolithic (a.) Same as Pyrouric, or Cyanuric..

Pyroacetic :: Pyroacetic (a.) Pertaining to, and designating, a substance (acetone) obtained by the distillation of the acetates. It is now called also pyroacetic ether, and formerly was called pyroacetic spirit..

Pyrogallate :: Pyrogallate (n.) A salt of pyrogallic acid; an ether of pyrogallol.

Uralite :: Uralite (n.) Amphibole resulting from the alternation of pyroxene by paramorphism. It is not uncommon in massive eruptive rocks.

Firework :: Firework (n.) A pyrotechnic exhibition.

Pyroboric :: Pyroboric (a.) Pertaining to derived from, or designating, an acid, H2B4O7 (called also tetraboric acid), which is the acid ingredient of ordinary borax, and is obtained by heating boric acid..

Pyroelectricity :: Pyroelectricity (n.) Electricity developed by means of heat; the science which treats of electricity thus developed.

Aphanite :: Aphanite (n.) A very compact, dark-colored /ock, consisting of hornblende, or pyroxene, and feldspar, but neither of them in perceptible grains..

Pyrocatechin :: Pyrocatechin (n.) A white crystalline substance, C6H4(OH)2, of the phenol series, found in various plants; -- so called because first obtained by distillation of gum catechu. Called also catechol, oxyphenol. etc..

Pyroligneous :: Pyroligneous (a.) Alt. of Pyroligni.

Uralitization :: Uralitization (n.) The change of pyroxene to amphibole by paramorphism.

Pyrosulphate :: Pyrosulphate (n.) A salt of pyrosulphuric acid.

Creosol :: Creosol (n.) A colorless liquid resembling phenol or carbolic acid, homologous with pyrocatechin, and obtained from beechwood tar and gum guaiacum..

Calamander Wood :: Calamander wood () A valuable furniture wood from India and Ceylon, of a hazel-brown color, with black stripes, very hard in texture. It is a species of ebony, and is obtained from the Diospyros quaesita. Called also Coromandel wood..

Pyroscope :: Pyroscope (n.) 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..

Borax :: Borax (n.) A white or gray crystalline salt, with a slight alkaline taste, used as a flux, in soldering metals, making enamels, fixing colors on porcelain, and as a soap. It occurs native in certain mineral springs, and is made from the boric acid of hot springs in Tuscany. It was originally obtained from a lake in Thibet, and was sent to Europe under the name of tincal. Borax is a pyroborate or tetraborate of sodium, Na2B4O7.10H2O..

Ophite :: Ophite (n.) A greenish spotted porphyry, being a diabase whose pyroxene has been altered to uralite; -- first found in the Pyreness. So called from the colored spots which give it a mottled appearance..

Oxyphenic :: Oxyphenic (a.) Pertaining to, or designating, the phenol formerly called oxyphenic acid, and now oxyphenol and pyrocatechin. See Pyrocatechin..

Pyrologist :: Pyrologist (n.) One who is versed in, or makes a study of, pyrology..

Gallein :: Gallein (n.) A red crystalline dyestuff, obtained by heating together pyrogallic and phthalic acids..

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