DuckCorp Dico

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1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Pyin \Py"in\, n. [Gr. ? pus.] (Physiol. Chem.)
      An albuminoid constituent of pus, related to mucin, possibly
      a mixture of substances rather than a single body.
      [1913 Webster]