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.
More example sentences
- Chemical formula: C13H10O
- Some other dye systems are based on the chromophores triphenylmethane, xanthene, anthroquinone, indigo, and phthalocyanine.
late 19th century: from Greek xanthos 'yellow' + -ene.
More definitions of xantheneDefinition of xanthene in:
- The US English dictionary