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anorthite

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anorthite


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Anorthite  \A*nor"thite\,  n.  [Gr.  'an  priv.  +  ?  straight  (?  sc  ? 
  right  angle);  not  in  a  right  angle.] 
  A  mineral  of  the  feldspar  family,  commonly  occurring  in  small 
  glassy  crystals,  also  a  constituent  of  some  igneous  rocks.  It 
  is  a  lime  feldspar.  See  {Feldspar}. 
 
  From  WordNet  r  1.6  [wn]: 
 
  anorthite 
  n  :  rare  plagioclastic  feldspar  occurring  in  many  igneous  rocks 




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