Turpentine

[Gk. terebinthos.] The oily resin of the terebinth and some kinds of larch, fir, and pine. A cut is made through the bark of tree, and the sap flows into jars. This is viscous like honey, and is crude turpentine. Oil of tur¬ pentine is distilled from crude turpentine, solid part being yellow resin, used in making soap. Turpentine is used extensively in mixing paints and varnishes, and is also used in med i¬ cine.