Meconina

1 definition found

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

  Meconin \Mec"o*nin\, n. [Cf. F. m['e]conine.] (Chem.)
     A substance regarded as an anhydride of meconinic acid,
     existing in opium and extracted as a white crystalline
     substance. Also erroneously called {meconina}, {meconia},
     etc., as though it were an alkaloid.
     [1913 Webster]