/ Dictionary / Index H heteroaromatic: Meaning and Definition of Find definitions for: het•er•o•ar•o•mat•ic Pronunciation: (het"u-rō-ar"u-mat'ik), [key] — n. Chem. a heterocyclic aromatic compound. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hetero heteroatom Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language