[xan.thene] n (1898) 1: a white crystalline heterocyclic compound; also: an isomer of this that is the parent of the colored forms of the xanthene dyes
2: any of various derivatives of xanthene
[xan.thene] n (1898) 1: a white crystalline heterocyclic compound; also: an isomer of this that is the parent of the colored forms of the xanthene dyes
2: any of various derivatives of xanthene
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012