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Meaning of diazine

di•a•zine

Pronunciation: (dī'u-zēn", -zin, dī-az'ēn, -in), [key]
— n. Chem.
  1. any of three isomeric compounds having the formula CHN, containing a ring of four carbon atoms and two nitrogen atoms.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.