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Meaning of cycloolefin

cy•clo•o•le•fin

Pronunciation: (sī"klō-ō'lu-fin, sik"lō-), [key]
— n. Chem.
  1. any of the homologous series of unsaturated, alicyclic hydrocarbons, as cyclooctatetraene and cyclopentadiene, containing one double bond in the ring and having the general formula CH.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.