/ Dictionary / Index A aromatic compound: Meaning and Definition of Find definitions for: ar'omat'ic com'pound Pronunciation: [key] — Chem. Chem. an organic compound that contains one or more benzene or equivalent heterocyclic rings: many such compounds have an agreeable odor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. aromatic aromaticity Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language