Meaning of heterocyclic


Pronunciation: (het"ur-u-sī'klik, -sik'lik), [key]
— adj. Chem.
  1. of or pertaining to the branch of chemistry dealing with cyclic compounds in which at least one of the ring members is not a carbon atom (contrasted with homocyclic).
  2. noting such compounds, as ethylene oxide, CHO.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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