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[uh-liz-er-in] /əˈlɪz ər ɪn/
noun, Chemistry.
a solid appearing reddish-orange as crystals and brownish-yellow as powder, C 14 H 8 O 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.
Also, alizarine
[uh-liz-er-in, -uh-reen] /əˈlɪz ər ɪn, -əˌrin/ (Show IPA)
Origin of alizarin
1825-35; < French alizarine, equivalent to alizar(i) (< Spanish < Arabic al the + ʿaṣārah juice) + -ine -ine1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for alizarin


a brownish-yellow powder or orange-red crystalline solid used as a dye and in the manufacture of other dyes. Formula: C6H4(CO)2C6H2(OH)2
Word Origin
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
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alizarin in Medicine

alizarin a·liz·a·rin (ə-lĭz'ər-ĭn)
An orange-red crystalline compound used in making dyes and as an indicator.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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