Manhes process
Manhes process Man`h[`e]s" proc"ess (Copper Metal.) A process by which copper matte is treated by passing through it a blast of air, to oxidize and remove sulphur. It is analogous in apparatus to the Bessemer process for decarbonizing cast iron. So called from Pierre Manh[`e]s, a French metallurgist, who invented it. [Webster 1913 Suppl.]

The Collaborative International Dictionary of English. 2000.

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