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Definition of persulphide - 1 dictionary result

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.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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