Dictionary.com
Thesaurus.com
Jump To:
  • 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, ey-zoh] / ˈæz oʊ, ˈeɪ zoʊ /

adjective

Chemistry.
  1. containing the azo group.


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.


azo- 1 British  

combining form

  1. indicating the presence of an azo group

    azobenzene

"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

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

"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

azo 1 Scientific  
/ ăzō,āzō /
  1. Containing two nitrogen atoms joined by a double bond, with each nitrogen atom attached to another group.


azo– 2 Scientific  
  1. A prefix that means “containing an azo group attached at both ends to other groups,” as in the compound azobenzene.


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-

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.

See Examples For:

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 may also be obtained by the oxidation of azo compounds.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" by Various

The rearing of cochineal was once a large and important industry, and although still pursued, it has seriously declined, in consequence of the discovery of the azo scarlets derived from coal-tar.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various

Diamine brown M, 3¼ oz. azo red A and 2¼ oz.

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

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training