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diazo

1

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

adjective

, Chemistry.
  1. containing the diazo group.


diazo-

2
Chemistry.
  1. a combining form with the meaning “diazo group,” used in the formation of compound words:

    diazomethane.

diazo

/ 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. Alsodyeline 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
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Word History and Origins

Origin of diazo1

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

Origin of diazo2

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Example Sentences

Ordinarily the diazo appears a little earlier than the Widal reaction—about the fourth or fifth day—but it may be delayed.

The result is a diazo-salt; aniline, for example, giving diazobenzene chloride, and toluidine diazotoluene chloride.

A new phase in the technology of tar-products was entered upon when Witt caused a diazo-salt to act upon diamidobenzene.

When the para-position is occupied, the diazo group takes the ortho-position.

The constitution of the isomeric diazo hydroxides has given rise to much discussion.

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Díaz Miróndiazoalkane