Tar
A viscid liquid, usually from brown to black in color, obtained in the destructive distillation of organic matters. Wood-tar is obtained in the manufacture of wood vinegar, and yields, on repeated fractional distillations, creosote, paraffine, picamar, etc. Stockholm-tar is obtained in the same manner from roots and other useless parts of resinous pines. Coal-tar comes from the destructive distillation of coal in the manufacture of coal-gas, and when distilled yields carbolic acid, cresylic alcohol, etc.; also the liquid hydrocarbons benzol, toluol, etc; the solid hydrocarbons paraffine, napthaline, and the compounds coridine, piciline, aniline, etc. See PITCH.