| 释义 |
Definition of xanthene in English: xanthenenoun ˈzanθiːnˈzænθin mass nounChemistry 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 Example sentencesExamples - Some other dye systems are based on the chromophores triphenylmethane, xanthene, anthroquinone, indigo, and phthalocyanine.
Origin Late 19th century: from Greek xanthos 'yellow' + -ene. Definition of xanthene in US English: xanthenenounˈzanTHēnˈzænθin 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 Example sentencesExamples - Some other dye systems are based on the chromophores triphenylmethane, xanthene, anthroquinone, indigo, and phthalocyanine.
Origin Late 19th century: from Greek xanthos ‘yellow’ + -ene. |