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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-.]


(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-]


(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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.azo - relating to or containing the azo radical
References in periodicals archive ?
TEATIME TREAT: But biscuits like this often contain hidden extrasE122 Azorubine; Carmoi-sine Red azo dye found in blancmanges, sweets, packet jellies and Swiss rolls.
Azo compounds are continuously gaining attention in scientific research because of variety of derivatives obtained by the slight modifications of dye intermediate structures [1, 2, 3].
Keywords: Mono azo reactive dyes; Irradiation; Percent decolorization; Degradation; Haemolytic activity
Dyes are used in textile sector on large scale among which azo dyes constitute more than 50% of total dye production worldwide (Meng et al.
Some bacteria can metabolize azo dyes by their enzymatic systems (13) and its degradation products result to be toxic and/or mutagenic (14,15).
What the company doesn't mention is that the only good study of Azo, which was funded by the Belgian firm that produces the extract, showed that it doesn't work very well.
The Iranian researchers succeeded in the laboratorial production of quantum dots made of graphene as catalysts to produce azo dyes.
Among these azo dyes are important colorants and are characterized by the presence of one or more azo groups (N=N) and constitute the largest class of dyes having extensive applications in textiles, papers, leathers, gasoline, additives, foodstuffs and cosmetics (Chen et al.
Reiterating his respect for the freedom of expression and the free media, Azo expressed his deepest regrets if the lawsuit defamation statements hurt the sentiments of the media fraternity and the newspapers.
The cost of azo intermediates and pigments have significantly impacted the pigment industry and there is no short-term relief in sight for these rising costs, forcing us to increase prices," said Mehran Yazdani, vice president, marketing, Sun Chemical Performance Pigments.
According to reports, certain types of azo dyes can break down to form "aromatic amines" when there is prolonged contact with the skin.