/ Dictionary / Index P phenylethylene: Meaning and Definition of Find definitions for: phen•yl•eth•yl•ene Pronunciation: (fen"l-eth'u-lēn", fēn"-), [key] — n. Chem. styrene. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: phenylethylene (Thesaurus) phenylethylbarbituric acid phenyl ethyl ether Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language