Bessemer process

== English == === Etymology === Named after English inventor Henry Bessemer (1813–1898), who took out a patent on the process in 1856. === Noun === Bessemer process (plural Bessemer processes) (metallurgy, historical) The first inexpensive industrial process for the mass production of steel, based on blowing air through molten pig iron to remove impurities by oxidation. ==== Derived terms ==== bessemerize bessemerization