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diazine

American  
[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.

diazine British  
/ ˈdaɪəzɪn, -ɪn, daɪˈæzɪn, daɪˈæziːn, ˈdaɪəˌziːn /

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 C 4 N 2 H 4 See also pyrimidine

"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

Etymology

Origin of diazine

diaz- + -ine 2

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.