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单词 quinizarin
释义 qui·niz·a·rin
\kwə̇ˈnizərə̇n\ noun
(-s)
Etymology: International Scientific Vocabulary quin- + alizarin
: 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 — see dye table I (under Pigment Violet 12)
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更新时间:2025/3/12 21:32:13