an organic compound that contains one or more benzene or equivalent heterocyclic rings: many such compounds have an agreeable odor.
Origin of aromatic compound
First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
A cyclic compound containing at least one benzene ring and characterized by the presence of alternating double bonds within the ring.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.