alizarin: Meaning and Definition of

a•liz•a•rin

Pronunciation: (u-liz'ur-in), [key]
— n. Chem.
  1. 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.
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