
1) Hydrocarbon
Found on
https://www.crosswordclues.com/clue/cymene

• (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.
Found on
http://thinkexist.com/dictionary/meaning/cymene/
Cy'mene noun (Chemistry) A colorless, liquid, combustible hydrocarbon, CH
3 . C
6 H
4 .C
3 H
7 , of pleasant odor, obtained from oil of cumin, oil of caraway, carvacrol, camphor, etc.; -- called also
paracymene , and formerly
camphog...Found on
http://www.encyclo.co.uk/webster/C/210

Cymene (also called paracymene, and formerly camphogen) is a colourless, liquid, combustible hydrocarbon, with a pleasant odour, obtained from oil of cumin, oil of caraway, carvacrol, camphor, etc.
Found on
http://www.probertencyclopaedia.com/browse/GC.HTM
noun any of three isotopes of a colorless aromatic liquid hydrocarbon occuring in the volatile oil of cumin and thyme and used in the manufacture of synthetic resins
Found on
https://www.encyclo.co.uk/local/20974

a colorless, pleasant-smelling benzene derivative, CH, occurring in the volatile oil of the common cumin, Cuminum cyminum, and existing in three forms, the ortho, meta, and para isomers. Cf. para-cymene.
Found on
https://www.infoplease.com/dictionary/cymene
No exact match found.