/ Dictionary / Index A alizarin: Meaning and Definition of Find definitions for: a•liz•a•rin Pronunciation: (u-liz'ur-in), [key] — n. Chem. a solid appearing reddish-orange as crystals and brownish-yellow as powder, CHO, one of the earliest known dyes, formerly obtained in its natural state from madder and now derived from anthraquinone: used chiefly in the synthesis of other dyes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: alizarin (Thesaurus) aliyah alizarin crimson Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language