alizarin

[ uh-liz-er-in ]

/ əˈlɪz ər ɪn /

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noun Chemistry.

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.

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Also a·liz·a·rine

[uh-liz-er-in, -uh-reen]. /əˈlɪz ər ɪn, -əˌrin/.

Origin of alizarin

1825–35; <French alizarine, equivalent to alizar(i) (<Spanish <Arabic al the + ʿaṣārah juice) + -ine-ine¹

Words nearby alizarin

alive, alive and kicking, alive to, alive with, aliyah, alizarin, alizarin crimson, alk., alkahest, alkalemia, alkalescent

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use alizarin in a sentence

From this product the alizarin is separated in the usual way by precipitation with an acid.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
Another method for the preparation of alizarin has been patented by Dale and Schorlemmer.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
Several other patents have been taken out for the preparation of artificial alizarin.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
Anthrapurpurin has about the same affinity for mordants as alizarin.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley

By heating alizarin blue with strong sulphuric acid, it is converted into alizarin green.
Coal|Raphael Meldola

British Dictionary definitions for alizarin

alizarin

/ (əˈlɪzərɪn) /

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

Medical definitions for alizarin

alizarin

[ ə-lĭz′ər-ĭn ]

An orange-red crystalline compound used in making dyes and as an indicator.