EXAMPLES | WORD ORIGIN noun . Chemistry a solid appearing reddish-orange as crystals and brownish-yellow as powder, C 14H 8O 4, 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.
a·liz·a·rine [ uh- liz-er-in, - uh-reen] /əˈlɪz ər ɪn, -əˌrin/
Origin of alizarin 1825–35;
-ine -ine 1
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for alizarin Historical Examples of alizarin
Good and durable blues are obtained from indigo and
This is filtered off from the
alizarin lake, heated to boiling, and acidified with hydrochloric acid.
The anthrapurpurin colours resist soap and light quite as effectively as those produced with
alizarin thus separated, dry it81 by simple exposure to air, and purify it by repeated crystallisation out of alcohol.
alizarin-potassium thus obtained the alizarin is set free by the aid of hydrochloric acid. British Dictionary definitions for alizarin noun a brownish-yellow powder or orange-red crystalline solid used as a dye and in the manufacture of other dyes. Formula: C 6 H 4 (CO) 2 C 6 H 2 (OH) 2 Word Origin for alizarin
C19: probably from French
alizarine, probably from Arabic al-’asārah the juice, from ’asara to squeeze
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
n. An orange-red crystalline compound used in making dyes and as an indicator.
The American Heritage® Stedman's Medical Dictionary
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