( n. )
A sulphide containing more sulphur than some other compound of the same elements; as, iron pyrites is a persulphide; -- formerly called persulphuret.
( n. )
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 English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012