Definitions for azoˈæz oʊ, ˈeɪ zoʊ
Random House Webster's College Dictionary
az•oˈæz oʊ, ˈeɪ zoʊ(adj.)
pertaining to or containing the bivalent group −N=N− united to two aromatic groups.
Origin of azo:
1875–80; <azo -
a combining form used in the names of chemical compounds containing nitrogen or the azo group.
Category: Chemistry, Affix
Origin of azo-:
comb. form repr. azote
relating to or containing the azo radical
Applied loosely to compounds having nitrogen variously combined, as in cyanides, nitrates, etc.
Now especially applied to compounds containing a two atom nitrogen group (-N=N-) uniting two hydrocarbon radicals, as in azobenzene etc.