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open-hearth process

Line breaks: open-hearth pro|cess

Entry from British & World English dictionary

Definition of open-hearth process in English:

noun

A steel-making process in which scrap iron or steel, limestone, and pig iron are melted together in a shallow reverberatory furnace, the mixture being heated from above using gaseous fuel and air which oxidizes impurities in the iron.

Definition of open-hearth process in:

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