Artificial intelligent assistant

monosulphide

monosulphide Chem.
  (mɒnəʊˈsʌlfaɪd)
  [mono- 2.]
  A sulphide containing one equivalent of sulphur. Also monoˈsulphuret, in the same sense. Also monoˈsulphite, a sulphite containing one equivalent of sulphurous acid.

1854 J. Scoffern in Orr's Circ. Sci., Chem. 408 Two compounds of sulphurous acid with soda are known—the monosulphite and the bisulphite. Ibid. 411 The monosulphuret or monosulphide of potassium.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC e8e2103499216268414179b4dbbbaef1