alizarin Meaning, Definition & Usage

  1. noun an orange-red crystalline compound used in making red pigments and in dyeing
    alizarine.

WordNet

A*liz"a*rin noun
Etymology
F. alizarine, fr. alizari.
Definitions
  1. (Chem.) A coloring principle, C14H6O2(OH)2, found in madder, and now produced artificially from anthracene. It produces the Turkish reds.

Webster 1913