Protosulphide

1 definition found

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

  Protosulphide \Pro`to*sul"phide\, n. [Proto- + sulphide.]
     (Chem.)
     That one of a series of sulphides of any element which has
     the lowest proportion of sulphur; a sulphide with but one
     atom of sulphur in the molecule.
     [1913 Webster]