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carbure

carbure Obs. Chem.
  [a. F. carbure, f. carbon n.: see -ure.]
  = carburet.

1790 Wedgwood in Phil. Trans. LXXX. 319 Lavoisier..mentions a carbure of zinc also, and says that both these carbures are called plumbago, or black-lead. 1799 G. Smith Laborat. I. Pref. 6 Black lead is well known to be a compound of iron; called carbure of iron.

Oxford English Dictionary

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