beechwood tar
A thick, oily, dark brown liquid with the odor of creosote; largely used as a source of creosote. SYN: beech oil.

Medical dictionary. 2011.

Look at other dictionaries:

  • Coal-tar creosote — Creosote Cre o*sote (kr[=e] [ o]*s[=o]t), n. [Gr. kre as, gen. kre ws, flesh + sw zein 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… …   The Collaborative International Dictionary of English

  • Phlorone — Phlo rone, n. [Phlorol + quinone.] (Chem.) A yellow crystalline substance having a peculiar unpleasant odor, resembling the quinones, and obtained from beechwood tar and coal tar, as also by the oxidation of xylidine; called also {xyloquinone}.… …   The Collaborative International Dictionary of English

  • xyloquinone — Phlorone Phlo rone, n. [Phlorol + quinone.] (Chem.) A yellow crystalline substance having a peculiar unpleasant odor, resembling the quinones, and obtained from beechwood tar and coal tar, as also by the oxidation of xylidine; called also… …   The Collaborative International Dictionary of English

  • Pyrocatechol — Chembox new Name = Pyrocatechol ImageFileL1 = Pyrocatechol.svg ImageSizeL1 = 120px ImageNameL1 = Pyrocatechol ImageFileR1 = Pyrocatechol 3d.png ImageSizeR1 = 150px IUPACName = Pyrocatechol OtherNames = catechol benzene 1,2 diol 2 hydroxyphenol α… …   Wikipedia

  • creasol — Creosol Cre o*sol (kr[=e] [ o]*s[=o]l), n. [Creosote + phenol.] (Chem.) A colorless liquid resembling phenol or carbolic acid, homologous with pyrocatechin, and obtained from beechwood tar and gum guaiacum. [Written also {creasol}.] [1913… …   The Collaborative International Dictionary of English

  • Creosol — Cre o*sol (kr[=e] [ o]*s[=o]l), n. [Creosote + phenol.] (Chem.) A colorless liquid resembling phenol or carbolic acid, homologous with pyrocatechin, and obtained from beechwood tar and gum guaiacum. [Written also {creasol}.] [1913 Webster] …   The Collaborative International Dictionary of English

  • Picamar — Pic a*mar , n. [L. pix, picis, pitch + amarus bitter.] (Chem.) An oily liquid hydrocarbon extracted from the creosote of beechwood tar. It consists essentially of certain derivatives of pyrogallol. [1913 Webster] …   The Collaborative International Dictionary of English

  • beech oil — SYN: beechwood tar …   Medical dictionary

  • creosol — A slightly yellowish aromatic liquid distilled from guaiac or from beechwood tar; a constituent of creosote. Cf.:cresol. * * * cre·o·sol (kreґo sol) [creosote + L. oleum oil] a colorless oily liquid; one of the active constituents of creosote …   Medical dictionary

  • Catechol — Not to be confused with Catechin, also sometimes called catechol. Catechol …   Wikipedia

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