/ Dictionary / Index A aryl: Meaning and Definition of Find definitions for: ar•yl Pronunciation: (ar'il), [key] — adj. Chem. containing an aryl group. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. aryepiglottic arylamine Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language