azo dye (redirected from Azo dyes)

azo dye

n.

Any of various red, brown, or yellow acidic or basic dyes derived from amino compounds.

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azo dye

n

(Clothing, Personal Arts & Crafts / Dyeing) 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

Thesaurus

Noun

1.

azo dye - any dye containing one or more azo groups congo red - a red-brown azo dye especially as a chemical pH indicator (congo red is red in basic and blue in acidic solutions) methyl orange - an azo dye used as an acid-base indicator; used for titrations involving weak bases dye, dyestuff - a usually soluble substance for staining or coloring e.g. fabrics or hair