n. The generic name of the volatile oils or hydrocarbons having the general formula C10H16, which are isomeric or polymeric with oil of turpentine.n. The commercial term for purified oil of turpentine, obtained by distilling the crude oil over quicklime to free it from resin.n. Dextrocamphene (austracamphene) and levocamphene (terecamphene) are made by heating oil of turpentine, saturated with hydrochloric-acid gas, with alcoholic potash. They are crystalline and melt at 51–52° C. They rotate plane-polarized light in opposite directions. Inactive α-camphene is similar to the preceding, but it is optically inactive and melts at 47° C.