Definition of xanthene in English:

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Pronunciation: /ˈzanθiːn/


[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.
Example sentences
  • Some other dye systems are based on the chromophores triphenylmethane, xanthene, anthroquinone, indigo, and phthalocyanine.


Late 19th century: from Greek xanthos 'yellow' + -ene.

For editors and proofreaders

Line breaks: xan|thene

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