- a combining form used in the formation of compound words, especially names of chemical compounds containing nitrogen or the azo group: azobenzene.
Also especially before a vowel, az-.
Origin of azo-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
before a vowel az-
- indicating the presence of an azo groupazobenzene
from French azote nitrogen, from Greek azōos lifeless, from a- 1 + zōē life
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
Word Origin and History for azo-
Online Etymology Dictionary, © 2010 Douglas Harper
- Containing a nitrogen group, especially one attached at both ends in a covalent bond to other groups:azole.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A prefix that means containing an azo group attached at both ends to other groups, as in the compound azobenzene.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.