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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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History and Etymology for naphthamine dye

International Scientific Vocabulary naphth- + amine

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