azo dye

noun Chemistry.

any of a large class of dyes containing one or more azo groups.

Origin of azo dye

First recorded in 1880–85

Words nearby azo dye

azine dye, azlocillin sodium, azlon, aznar, azo, azo dye, azo group, azo-, azobenzene, azof, azoic

British Dictionary definitions for azo dye

azo dye

noun

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