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sesquisulphide |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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.