azo-

azo- or az-

pref.

Containing a nitrogen group, especially one attached at both ends in a covalent bond to other groups: azole.

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[From French azote, nitrogen : Greek a-, not; see a-¹ + Greek z, life (from the fact that nitrogen does not support respiration); see g^wei- in Indo-European roots.]

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azo- before a vowel, az-

combining form

indicating the presence of an azo group azobenzene

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

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azo- or az-

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