from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various red, brown, or yellow acidic or basic dyes derived from amino compounds.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. any of a large number of yellow to red synthetic dyes that contain an azo or diimide (-N=N-) functional group.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any dye containing one or more azo groups
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