n. [ See Turpentine. ] (Chem.) Any one of a series of isomeric hydrocarbons of pleasant aromatic odor, occurring especially in coniferous plants and represented by oil of turpentine, but including also certain hydrocarbons found in some essential oils. [ 1913 Webster ]
a. (Chem.) Terpenylic. [ 1913 Webster ]
a. [ Terpene + -yl + -ic. ] (Chem.) Of, pertaining to, or designating, an acid,