/ Dictionary / Index P phenylic acid: Meaning and Definition of Find definitions for: phe•nyl'ic ac'id Pronunciation: (fu-nil'ik), [key] — Chem. Chem. phenol (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phenylhydrazine phenyl isocyanate Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language