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1. Any of three colorless liquid isomeric aromatic hydrocarbons, C10H14, used in the manufacture of synthetic resins and other organic synthesis.
2. The para-isomer of cymene, which occurs naturally in essential oils, especially of cumin and thyme.
[French cymène, from Greek kumīnon, cumin; see cumin.]
(Elements & Compounds) a colourless insoluble liquid with an aromatic odour that exists in three isomeric forms; methylpropylbenzene: used as solvents and for making synthetic resins. The para- isomer is present in several essential oils. Formula: CH3C6H4CH(CH3)2
[C19: cym- from Greek kuminon cumin + -ene]