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·rine [uh-liz-er-in, -uh-reen]. /əˈlɪz ər ɪn, -əˌrin/.
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How to use alizarin in a sentence
From this product the alizarin is separated in the usual way by precipitation with an acid.
Another method for the preparation of alizarin has been patented by Dale and Schorlemmer.
Several other patents have been taken out for the preparation of artificial alizarin.
Anthrapurpurin has about the same affinity for mordants as alizarin.
By heating alizarin blue with strong sulphuric acid, it is converted into alizarin green.Coal | Raphael Meldola
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: C 6 H 4 (CO) 2 C 6 H 2 (OH) 2
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