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Relating to or containing a pair of bonded nitrogen atoms, one of which is also bonded to a carbon atom.
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.


1. (Chemistry) of, consisting of, or containing the divalent group, =N:N, or the divalent group, -N:N-: diazo compound. See also azo
2. (Printing, Lithography & Bookbinding) Also: dyeline of or relating to the reproduction of documents using the bleaching action of ultraviolet radiation on diazonium salts
n, pl -os or -oes
(Printing, Lithography & Bookbinding) a document produced by this method
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(daɪˈæz oʊ, -ˈeɪ zoʊ)

containing the bivalent group -N=N- united with a hydrocarbon group.
[1855–60; di-1 + azo-]
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.diazo - relating to or containing diazonium
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
These dyes were synthesized using substituted aryl amines and substituted naphthalene sulfonic acids as diazo and coupling components, respectively.
Ehrlich's diazo reagent reacts with the direct bilirubin in the serum to form a pink to reddish-purple colored compound (Azobilirubin) read at one minute.
Samples were processed in Roche Cobas 6000 Fully Automated Chemistry Analyzer with Roche reagents, calibrator and controls by Diazo method.
Acid Red 119 (AR-119) acidic diazo dye and that to with an initial dye concentration of only 40 mg/ L by consortium (Khehra et al., 2005).
She also brought two portfolios of giclee prints, and a selection of Diazo prints made from the original pencil on vellum technical drawings, as well.
Caption: Right: Diller + Scofidio, plan for Traffic, 1981, marker on diazo print, 20 x30".
Typhidot M and Diazo test vis-a-vis blood culture and Widal test in the early diagnosis of typhoid fever in children in a resource poor setting.
DB assays are predominantly diazo methods performed without an accelerant that facilitates the reaction of unconjugated bilirubin.
employed a tandem [C.sub.8f]-[C.sub.1] and [C.sub.1]-[N.sub.2] bond- forming process with azidoacrylate 11 and asymmetric diazo diketone 12 (Scheme 4) to obtain a 1: 1 ratio of 7-fluoroisoquinoline isomers 13a and 13b in good yield [27].
We tested the precipitates for in vitro decolourisation of Orange G, a monoazo dye, and Congo red, a diazo dye.
Congo Red is an example of diazo dye, and the initial pH influences the molecular form of Congo Red in the aqueous solution.