also  aliz*a*rine  n 1  :  an orange or red crystalline compound C₁₄H₈O₄ formerly prepared from madder and now made synthetically from anthraquinone that was formerly used in dyeing but is now used more in making red pigments  2  :  any of a group of dyes that are similar to alizarin in dyeing properties or derivation .
 
 
 
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