- tar acids
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English-Polish dictionary for engineers. 2013.
tar acids
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tar-acid oil — noun : an oil containing usually 10 to 55 percent of tar acids obtained by distilling coal tar or by dissolving tar acids in coal tar oils compare carbolic oil … Useful english dictionary
TAR — Acronym for thrombocytopenia and absent radius. See thrombocytopenia absent radius syndrome. * * * thoracic aortic rupture; thrombocytopenia with absent radii [syndrome]; tissue air ratio; total abortion rate; transactivation response; transanal… … Medical dictionary
tar — A thick, semisolid, blackish brown mass, of complex hydrocarbon composition, obtained by the destructive distillation of carbonaceous materials. For individual tars, see specific names. rectified t. oil a volatile oil distilled from pine t.; used … Medical dictionary
tar — I. noun Etymology: Middle English terr, tarr, from Old English teoru; akin to Old English trēow tree more at tree Date: before 12th century 1. a. a dark brown or black bituminous usually odorous viscous liquid obtained by destructive distillation … New Collegiate Dictionary
coal tar — coal tar, adj. a thick, black, viscid liquid formed during the distillation of coal, that upon further distillation yields compounds, as benzene, anthracene, and phenol, from which are derived a large number of dyes, drugs, and other synthetic… … Universalium
Pine tar — is a sticky material produced by the high temperature carbonization of pine wood in anoxic conditions (dry distillation or destructive distillation). The wood is rapidly decomposed by applying heat and pressure in a closed container; the primary… … Wikipedia
coal tar creosote — creosote obtained by high temperature carbonization of bituminous coal; it is a brown to black, oily liquid, a mixture of aromatic hydrocarbons, tar acids, and tar bases; mainly used as a wood preservative. It is toxic by skin contact, ingestion … Medical dictionary
Lewis acids and bases — A Lewis acid is a chemical compound, A, that can accept a pair of electrons from a Lewis base, B, that acts as an electron pair donor, forming an adduct, AB. :A + :B rarr; A B Gilbert N. Lewis proposed this definition, which is based on chemical… … Wikipedia
Creosote — For other uses, see Creosote (disambiguation). Creosote is the portion of chemical products obtained by the distillation of a tar that remains heavier than water, notably useful for its anti septic and preservative properties.[1] It is produced… … Wikipedia
creosote oil — noun 1. : the part of the wood tar distillate from which creosote is obtained by refining 2. : a yellowish to dark colored heavy oil that consists chiefly of liquid and solid aromatic hydrocarbons, tar acids, and tar bases, is obtained by… … Useful english dictionary
carbolic oil — noun : a fraction obtained in coal tar distillation that contains chiefly tar acids and sometimes naphthalene called also middle oil … Useful english dictionary
