terpenylic

Ter`pe*nyl"ic, a. Etym: [Terpene + -yl + -ic.] (Chem.) Defn: Of, pertaining to, or designating, an acid, C8H12O4 (called also terpentic acid), homologous with terebic acid, and obtained as a white crystalline substance by the oxidation of oil of turpentine with chromic acid.

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