/ Dictionary / Index A anthraquinone dye: Meaning and Definition of Find definitions for: an'thraquinone' dye' Pronunciation: [key] — Chem. Chem. any of the class of dyes derived from anthraquinone, used for dyeing textiles, esp. cotton, rayon, and silk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. anthraquinone anthrax Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language