tricyclic: Meaning and Definition of


Pronunciation: (trī-sī'klik, -sik'lik), [key]
— adj.
  1. pertaining to or embodying three cycles.
  1. Also calledany of a group of pharmacologically active substances, as imipramine, that share a common three-ring structure, used to treat depression and cocaine abuse.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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