Persulphide

1 definition found

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

  Persulphide \Per*sul"phide\, n. (Chem.)
     A sulphide containing more sulphur than some other compound
     of the same elements; as, iron pyrites is a persulphide; --
     formerly called {persulphuret}.
     [1913 Webster]