The Collaborative International Dictionary
camphogen
Cymene \Cy"mene\ (s?"m?n), n. (Chem.) A colorless, liquid, combustible hydrocarbon, CH3.C6H4.C3H7, of pleasant odor, obtained from oil of cumin, oil of caraway, carvacrol, camphor, etc.; -- called also paracymene, and formerly camphogen.
Wiktionary
camphogen
n. (context chemistry English) cymene