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