a reddish-yellow crystalline compound, CH(CO)CH(OH), produced by oxidizing anthracene and used in dyeing wool, cotton, and silk and in the manufacture of dyestuffs: it was originally made from madder: sometimes called aliz′a·rine
Origin of alizarinGerman from French and Spanish alizari, dried madder root from Arabic al-?u??ra, the juice from ?a?ara, to press
An orange-red crystalline compound, C14H8O4, used as an acid-base indicator and in making dyes.
Origin of alizarinFrench alizarine from alizari madder root from Spanish probably from Arabic al-'u&slowdot;āra the juice al- the 'u&slowdot;āra juice ( from 'a&slowdot;ara to squeeze &ayin;&slowdot;r)