polysulphide
/ (ˌpɒlɪˈsʌlfaɪd) /
noun
any sulphide of a metal containing divalent anions in which there are chains of sulphur atoms, as in the polysulphides of sodium, Na 2 S 2, Na 2 S 3, Na 2 S 4, etc
Words nearby polysulphide
polystichia,
polystichous,
polystyle,
polystyrene,
polysulfide,
polysulphide,
polysuspensoid,
polysyllabic,
polysyllable,
polysyllogism,
polysymbrachydactyly
Example sentences from the Web for polysulphide
Hence magnesium and sulphur combine under the action of pressure, forming magnesium sulphide and possibly a polysulphide.