quinizarin

noun
qui·​niz·​a·​rin | \kwə̇ˈnizərə̇n\
plural -s

Definition of quinizarin 

: a red crystalline compound C14H6O2(OH)2 isomeric with alizarin made from phthalic anhydride and either hydroquinone or para-chlorophenol and used as a dye intermediate and organic pigment; 1,4-dihydroxy-anthraquinone

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History and Etymology for quinizarin

International Scientific Vocabulary quin- + alizarin

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