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sulphure

ˈsulphure Chem. Obs.
  [a. F. sulphure, sulfure (Nomencl. Chimique, 1787): see -ure.]
  = sulphide n.

1794 Pearson tr. Morveau's Chem. Nomencl. 35–6 Sulphurets, or Sulphures; which were formerly called Hepars or Livers. 1806 S. Parkes Chem. Catech. (1819) 544 Sulphures, or Sulphurets, combinations of alkalies, or metals, with sulphur.

Oxford English Dictionary

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