bessemer process

noun Metallurgy.

1. a process of producing steel, in which impurities are removed by forcing a blast of air through molten iron.

noun

1. (formerly) a process for producing steel by blowing air through molten pig iron at about 1250°C in a Bessemer converter: silicon, manganese, and phosphorus impurities are removed and the carbon content is controlled
2. a similar process for removing sulphur and iron from copper matte

1. A method for making steel by forcing compressed air through molten iron to burn out carbon and other impurities.