Sesquisulphide

1 definition found

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

  Sesquisulphide \Ses`qui*sul"phide\, n. [Sesqui- + sulphide.]
     (Chem.)
     A sulphide, analogous to a sesquioxide, containing three
     atoms of sulphur to two of the other ingredient; -- formerly
     called also {sesquisulphuret}; as, orpiment, {As2S3} is
     arsenic sesquisulphide.


     [1913 Webster]