quinizarin

noun

qui·​niz·​a·​rin

kwə̇ˈnizərə̇n

plural -s

: 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

Word History

Etymology

International Scientific Vocabulary quin- + alizarin

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