Containing more than one kind of atom joined in a ring.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "heterocyclic" in a sentence
"Cooking meats with charcoal or gas grills can cause the formation of compounds called heterocyclic amines (HCAs) and polycyclic aromatic hydrocarbons (PAHs)."
"Burning and charring grilled meat can cause cancer-causing substances called heterocyclic amines (HCAs) to form in foods."
"The scientists speculated that carcinogens called heterocyclic amines may be involved."