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diazine

[dahy-uh-zeen, -zin, dahy-az-een, -in] /ˈdaɪ əˌzin, -zɪn, daɪˈæz in, -ɪn/
noun, Chemistry
1.
any of three isomeric compounds having the formula C 4 H 4 N 2 , containing a ring of four carbon atoms and two nitrogen atoms.
Origin
diaz- + -ine2
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for diazines'

diazine

/ˈdaɪəˌziːn; daɪˈæziːn; -ɪn/
noun
1.
any organic compound whose molecules contain a hexagonal ring of four carbon atoms and two nitrogen atoms, esp any of three isomers with the formula C4N2H4 See also pyrimidine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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diazines' in Medicine

diazine di·a·zine (dī'ə-zēn', dī-āz'ĭn)
n.
A compound containing a benzene ring in which two of the carbon atoms have been replaced by nitrogen atoms.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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