alizarin(redirected from Madder lake)
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a·liz·a·rin(ə-lĭz′ər-ĭn) also a·liz·a·rine (-ĭn, -ə-rēn′)
An orange-red crystalline compound, C14H8O4, used as an acid-base indicator and in making dyes.
1. (Dyeing) 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
2. (Elements & Compounds) 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
[C19: probably from French alizarine, probably from Arabic al-’asārah the juice, from ’asara to squeeze]
a•liz•a•rin(əˈlɪz ər ɪn)
also a•liz•a•rine(-ər ɪn, -əˌrin)
an orange-red compound, C14H8O4, derived from anthraquinone: used chiefly in synthesizing dyes.
[1825–35; < French alizarine]
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|Noun||1.||alizarin - an orange-red crystalline compound used in making red pigments and in dyeing|
alizarin carmine, alizarin crimson, alizarin red - any of various acid dyes; used for dyeing wool scarlet red
pigment - dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)