1 open-hearth process | Definition of open-hearth process
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open-hearth process

noun

Definition of open-hearth process

: a process of making steel from pig iron in a reverberatory furnace equipped with a regenerator

First Known Use of open-hearth process

1882, in the meaning defined above

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More from Merriam-Webster on open-hearth process

Britannica.com: Encyclopedia article about open-hearth process

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