Pronunciation: (u-liz'ur-in), [key]
a solid appearing reddish-orange as crystals and brownish-yellow as powder, C14H8O4, 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. Also,a•liz•a•rinePronunciation: (u-liz'ur-in, -u-rēn"). [key]
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.