Home›Browse›H›heterocyclicheterocyclicOur editors are putting together more complete content — check back in about 20 minutesheterocyclicheterocyclic — adjectiveadjective1. relating to a chemical compound with a ring containing atoms of two or more elem1.adjectiveDefinitionrelating to a chemical compound with a ring containing atoms of two or more elementsExampleMany drugs contain heterocyclic rings that are essential for their activity.