/ Dictionary / Index P phenylethylbarbituric acid: Meaning and Definition of Find definitions for: phen'yl•eth•yl•bar•bi•tu'ric ac'id Pronunciation: (fen'l-eth"ul-bär"bi-toor'ik, -tyoor'-, fēn'-, fen"-, fēn"-), [key] — Pharm. Pharm. phenobarbital. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phenylethyl alcohol phenylethylene 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