diazo

[ dahy-az-oh, -ey-zoh ]

/ daɪˈæz oʊ, -ˈeɪ zoʊ /

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adjective Chemistry.

containing the diazo group.

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Origin of diazo

First recorded in 1855–60; independent use of diazo-

Other definitions for diazo (2 of 2)

diazo-

Chemistry.

a combining form with the meaning “diazo group,” used in the formation of compound words: diazomethane.

Also especially before a vowel, diaz-.

Origin of diazo-

di-¹ + azo-

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use diazo in a sentence

Ordinarily the diazo appears a little earlier than the Widal reaction—about the fourth or fifth day—but it may be delayed.
A Manual of Clinical Diagnosis|James Campbell Todd
The result is a diazo-salt; aniline, for example, giving diazobenzene chloride, and toluidine diazotoluene chloride.
Coal|Raphael Meldola
A new phase in the technology of tar-products was entered upon when Witt caused a diazo-salt to act upon diamidobenzene.
Coal|Raphael Meldola
When the para-position is occupied, the diazo group takes the ortho-position.
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4|Various

The constitution of the isomeric diazo hydroxides has given rise to much discussion.
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4|Various

British Dictionary definitions for diazo

diazo

/ (daɪˈeɪzəʊ) /

adjective

of, consisting of, or containing the divalent group, =N:N, or the divalent group, -N:N-diazo compound See also azo

Also: dyeline of or relating to the reproduction of documents using the bleaching action of ultraviolet radiation on diazonium salts

noun plural -os or -oes

a document produced by this method

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