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