Alizarin

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Alizarin \A*liz"a*rin\, Alizarine \A*liz"a*rine\, n. [F.
     alizarine, fr. alizari.] (Chem.)
     A coloring principle, {C14H6O2(OH)2}, found in madder, and
     now produced artificially as an an orange-red crystalline
     compound from anthracene. It is used in making red pigments
     (such as the Turkish reds), and in dyeing.


     [1913 Webster WordNet 1.5]

From WordNet (r) 2.0 [wn]:

  alizarin
       n : an orange-red crystalline compound used in making red
           pigments and in dyeing [syn: {alizarine}]