naphthamine dye
noun
naph·tha·mine dye
\ˈnaf|thəˌmēn-, ÷ ˈnap|, -mə̇n-\
Definition of naphthamine dye
: any of several black or yellow direct azo dyes
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Origin and Etymology of naphthamine dye
International Scientific Vocabulary naphth- + amine
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