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• azo
  azo

  adjective

  containing the azo group.
• azo-
  azo-

  a combining form used in the formation of compound words, especially names of chemical compounds containing nitrogen or the azo group.
• azo–
  azo–

  A prefix that means “containing an azo group attached at both ends to other groups,” as in the compound azobenzene.

azo

¹ American  

[az-oh, ay-zoh] / ˈæz oʊ, ˈeɪ zoʊ /

adjective

Chemistry.

1. containing the azo group.

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azo- ² American  

1. a combining form used in the formation of compound words, especially names of chemical compounds containing nitrogen or the azo group.

   azobenzene.

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azo- ¹ British  

combining form

1. indicating the presence of an azo group

   azobenzene

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azo ² British  

/ ˈeɪzəʊ, ˈæ- /

adjective

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

   an azo group or radical

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azo ¹ Scientific  

/ ăz′ō,ā′zō /

1. Containing two nitrogen atoms joined by a double bond, with each nitrogen atom attached to another group.

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azo– ² Scientific  

1. A prefix that means “containing an azo group attached at both ends to other groups,” as in the compound azobenzene.

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Etymology

Origin of azo¹

First recorded in 1875–80; independent use of azo-

Origin of azo-²

< Greek ázō ( os ) without life, equivalent to a- a- ⁶ + zō- zo-

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Example Sentences

See Examples For:

azo

But some of the chemicals involved, such as azo dyes, contain materials linked to cancer and other harmful effects.

From Scientific American ● Nov. 13, 2020

“They’ll have to put the ball in the net and play better defense” versus “Golazo, azo, azo, azo!”

From Salon ● Aug. 26, 2010

They are azo dyes, one of whose constituents is a body like salicylic acid, amido-benzoic acid, dihydroxy-naphthalene-sulpho acid, which contain the group OH, hydroxyl with carboxyl COOH.

From The Dyeing of Woollen Fabrics by Franklin Beech

They are divided into mon-azo, di-azo, tri-azo compounds according to the number of azo groups present.

From The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis by Various

Toluylene orange R, 4¾ oz. azo mauve, 2½ lb. soap, 5 lb. soda.

From The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student by Franklin Beech

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