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n. Any of three colorless isomeric liquid hydrocarbons, C10H14, obtained chiefly from the essential oils of cumin and thyme and used in the manufacture of synthetic resins.

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

n. 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.

n. A hydrocarbon (C10H14) occurring in the volatile oil of Roman cumin, in camphor, in the oil of thyme, etc., and prepared by treating oil of turpentine with oil of vitriol. It is a colorless, strongly refracting liquid, and has a pleasant odor of lemons. Also cymol and camphogen.

n. 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

"Looking at a dozen or so components, they determined that the main culprits in the tobacco malodor, after nicotine, include substituted pyrazines and pyridines (compounds that contribute a burning, smoky smell) and para-cymene (lending green or herbal notes)."

hydrocarbon   

paracymene    camphogen   

nitrophenol    limonene    borneol    geraniol    cadinene    camphene    toluidine    cineol    carotene    dinitrophenol