ALL meanings of azo dye
az·o dye
A a - noun azo dye any of a class of artificial dyes that contain the azo group. They are usually red, brown, or yellow and are obtained from aromatic amines 3
- noun azo dye any of a large class of dyes containing one or more azo groups. 1
- noun azo dye (chemistry) any of a large number of yellow to red synthetic dyes that contain an azo or diimide (-N=N-) functional group. 0