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Meaning of diazole

di•a•zole

Pronunciation: (dī'u-zōl", dī-az'ōl), [key]
— n. Chem.
  1. any of a group of organic compounds containing three carbon atoms and two nitrogen atoms arranged in a ring.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.