/ Dictionary / Index C cyclooctatetraene: Meaning and Definition of Find definitions for: cy•clo•oc•ta•tet•ra•ene Pronunciation: (sī"klō-ok"tu-te'tru-ēn"), [key] — n. Chem. a colorless, flammable liquid cyclic hydrocarbon, CH, used in organic research. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cyclonite cycloolefin Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language