D defs.my
Entry 1 sense Webster, 1913

Manhès process

· Man·hès· proc·ess · IPA
01 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 apparatu…
  1. 1.
    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 Manhès, a French metallurgist, who invented it.(Copper Metal.)