Alizarin

[ә'lizәrin]

(noun.) an orange-red crystalline compound used in making red pigments and in dyeing.

Checked by Danny--From WordNet

(n.) A coloring principle, C14H6O2(OH)2, found in madder, and now produced artificially from anthracene. It produces the Turkish reds.

Typist: Wolfgang

n. a colouring matter used in the dyeing of Turkey red formerly extracted from madder the commercial name of which in the Levant is alizari.

Checked by Aurora