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Containing a nitrogen group, especially one attached at both ends in a covalent bond to other groups: azole.
azo-or before a vowel
indicating the presence of an azo group: azobenzene.
[from French azote nitrogen, from Greek azōos lifeless, from a-1 + zōē life]
az•o(ˈæz oʊ, ˈeɪ zoʊ)
pertaining to or containing the bivalent group −N=N− united to two aromatic groups.
[1875–80; < azo-]
a combining form used in the names of chemical compounds containing nitrogen or the azo group.
[comb. form representing azote]