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 (ăz′ō, ā′zō)
Containing a nitrogen group, especially one nitrogen atom doubly bonded to another nitrogen atom. Many common dyes contain one or a few of these groups.

[From azo-.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈeɪzəʊ; ˈæ-)
(Elements & Compounds) of, consisting of, or containing the divalent group -N:N-: an azo group or radical. See also diazo
[independent use of azo-]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈæz oʊ, ˈeɪ zoʊ)

pertaining to or containing the bivalent group −N=N− united to two aromatic groups.
[1875–80; < azo-]


a combining form used in the names of chemical compounds containing nitrogen or the azo group.
[comb. form representing azote]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.azo - relating to or containing the azo radical
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
There are three groups of synthetic dyes such as azo dyes, phthalocyanine and anthraquinone.
Azo dyes represent a major group of dyes causing environmental concern because of their color, bio-recalcitrance, and potential toxicity to animal and human (Pierce et al., 2003; Forgacs et al., 2004).
In Brazil, the Ministry of Health, through the Agencia Nacional de Vigilancia Sanitaria-ANVISA, allows the use of azo dyes in the food industry for coloring foodstuff and juices.
According to the statement, azo dyes could release carcinogenic substances known as aromatic amines when they mix with sweat, which accounted for the ban on the use of the dye in many countries of the world.
Everyday activities and stressors, from sexual activity to tight clothing, diet and medication, can all disrupt vaginal health, according to AZO. The company has developed its new probiotic to work naturally with a woman's body and help restore the balance of good bacteria and yeast that can be thrown off by common disrupting factors.
This phenomenon of degrading the variety of pollutant is generally due to syntrophic interactions among the mixed communities which lead to complete mineralization of azo dyes (Chang et al., 2004; Fude et al, 1994; Khehra et al., 2005; Asgher et al., 2007).
In this work, the relationship between the structure and the dielectric properties of the azo polymers was studied.
As far as we know, there are few reports about the comparison between Ag initial growth and spreading on ITO and those on AZO.
Azo precursor 3 (1.5 g, 5 mmol) was added to the solution of 4-bromobutene (0.68 g, 0.51 mL, and 5.0 mmol), tBuOK (0.62 g, 5.0 mmol), and KI (20 mg) in dried acetone (100 mL).