tricyclic Hear it!

tricyclic definition

tri·cy·clic (trī sī′klik, -sik′lik)

adjective

containing three fused rings of atoms in the molecule

noun

any of a major group of antidepressant drugs that have a tricyclic molecular structure

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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