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azo

1

[ az-oh, ey-zoh ]

adjective

, Chemistry.
  1. containing the azo group.


azo-

2
  1. a combining form used in the formation of compound words, especially names of chemical compounds containing nitrogen or the azo group:

    azobenzene.

azo

1

/ ˈæ-; ˈeɪzəʊ /

adjective

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

    an azo group or radical



azo-

2

combining_form

  1. indicating the presence of an azo group

    azobenzene

azo–

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


azo

2

/ ăzō,ā /

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

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Word History and Origins

Origin of azo1

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

Origin of azo2

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

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Word History and Origins

Origin of azo1

independent use of azo-

Origin of azo2

from French azote nitrogen, from Greek azōos lifeless, from a- 1+ zōē life

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Example Sentences

Today, they are often synthesized from a chemical derived from petroleum called naphthalene to make a final product called an azo dye.

If a pink to violet-red coloration is produced in a short time the presence of an azo-color is indicated.

If an azo-color was used to color the milk this curd will be pink, but the curd of normal milk will be white or yellowish.

(d) Two series of azo dyes of selenium have been prepared and have been shown to possess a marked tinctorial value.

Azo gained a great reputation as a professor, and numbered amongst his pupils Accursius and Jacobus Balduinus.

Azo-dinaphthyl diamine is recognized by its peculiar orange cast, and is turned by hydrochloric acid to a dull, dirty violet.

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Aznarazobenzene