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Cre"osote
(kr?"?-s?t), n.[Gr. , gen. , flesh + to preserve.] (Chem.) Wood-tar oil; an oily antiseptic liquid, of a burning smoky taste, colorless when pure, but usually colored yellow or brown by impurity or exposure. It is a complex mixture of various phenols and their ethers, and is obtained by the distillation of wood tar, especially that of beechwood.
It is remarkable as an antiseptic and deodorizer in the preservation of wood, flesh, etc., and in the prevention of putrefaction; but it is a poor germicide, and in this respect has been overrated. Smoked meat, as ham, owes its preservation and taste to a small quantity of creosote absorbed from the smoke to which it is exposed. Carbolic acid is phenol proper, while creosote is a mixture of several phenols.
Coal-tar creosote (Chem.), a colorless or yellow, oily liquid, obtained in the distillation of coal tar, and resembling wood-tar oil, or creosote proper, in composition and properties.
Cre"osote
v. t.[imp. & p. p.Creosoted (-s?"t?d); p. pr. & vb. n.Creosoting.] To saturate or impregnate with creosote, as timber, for the prevention of decay.
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