[ az-een, -in, ey-zeen, ey-zin ]

  1. any of a group of six-membered heterocyclic compounds containing one or more nitrogen atoms in the ring, the number of nitrogen atoms present being indicated by a prefix, as in diazine or triazine.

Origin of azine

First recorded in 1885–90; az- + -ine2

Words Nearby azine Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for azine


/ (ˈeɪziːn, -zɪn) /

  1. any organic compound having a six-membered ring containing at least one nitrogen atom: See also diazine, triazine

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for azine


[ ăzēn′, āzēn′ ]

  1. Any of various organic compounds, such as pyridine or pyrimidine, that have a ring structure like that of benzene but with one or more carbon atoms replaced by a nitrogen atom. Azines are heterocyclic compounds.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.