/ Dictionary / Index C cyclohexanone: Meaning and Definition of Find definitions for: cy•clo•hex•a•none Pronunciation: (sī"klō-hek'su-nōn", sik"lō-), [key] — n. Chem. an oily liquid, CHO, with an acetone and peppermintlike odor, a cyclic butone used in organic synthesis and as an industrial solvent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cyclohexane cycloheximide Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language