单词	xanthene
释义	xanthene /ˈzanθiːn / noun [mass noun] Chemistry A yellowish crystalline compound, whose molecule contains two benzene rings joined by a methylene group and an oxygen atom, and whose derivatives include brilliant, often fluorescent, dyes such as fluorescein and rhodamines. Chemical formula: C13H10O. Some other dye systems are based on the chromophores triphenylmethane, xanthene, anthroquinone, indigo, and phthalocyanine. Origin Late 19th century: from Greek xanthos 'yellow' + -ene.
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