/ Dictionary / Index X xanthene dye: Meaning and Definition of Find definitions for: xan'thene dye' Pronunciation: [key] — Chem. Chem. any of a group of dyes having a molecular structure related to that of xanthene in which the aromatic (CH) groups are the chromophore. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. xanthene Xanthian Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language