[dahy-uh-zeen, -zin, dahy-az-een, -in]
- any of three isomeric compounds having the formula C4H4N2, containing a ring of four carbon atoms and two nitrogen atoms.
Origin of diazine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
diazin (ˈdaɪəzɪn, daɪˈæzɪn)
- 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 4See 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
- A compound containing a benzene ring in which two of the carbon atoms have been replaced by nitrogen atoms.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.