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diazo-

1 American  
Chemistry.
  1. a combining form with the meaning “diazo group,” used in the formation of compound words.

    diazomethane.


diazo 2 American  
[dahy-az-oh, -ey-zoh] / daɪˈæz oʊ, -ˈeɪ zoʊ /

adjective

Chemistry.
  1. containing the diazo group.


diazo British  
/ daɪˈeɪzəʊ /

adjective

  1. of, consisting of, or containing the divalent group, =N:N, or the divalent group, -N:N- See also azo

    diazo compound

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

"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

noun

  1. 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

Etymology

Origin of diazo-1

di- 1 + azo-

Origin of diazo1

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

So I think the room where they kept the diazo machine became like my studio.

From New York Times

Bichromates, although containing much available oxygen, form but feeble explosive mixtures, but some compounds of chromic acid with diazo compounds and some acetylides are extremely powerful as well as sensitive.

From Project Gutenberg

For this purpose it is usually only necessary to prepare a solution containing the diazo compound.

From Project Gutenberg

The same coloured precipitates are produced upon the cotton fibre if the material is first impregnated with an alkaline solution of the phenol, then dried and passed into a cold solution of the diazo solution.

From Project Gutenberg

These compounds may be divided into two classes, namely, the true diazo compounds, characterized by the grouping −N = N−, and the diazonium compounds, characterized by the grouping N ∶ N <.

From Project Gutenberg