CYMENE

cymene

(noun) any of three isotopes of a colorless aromatic liquid hydrocarbon occurring in the volatile oil of cumin and thyme and used in the manufacture of synthetic resins

Source: WordNet® 3.1

Noun

cymene (plural cymenes)

(chemistry) any of several isomeric naturally occurring terpenoid hydrocarbons; a constituent of a number of essential oils, most commonly the oil of cumin and thyme.

Source: Wiktionary

Cy"mene (s"mn), n. (Chem.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition