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open-hearth process
noun
- a process of steelmaking in which the charge is laid in a furnace open-hearth furnace on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls.
open-hearth process
noun
- a process for making steel using an open-hearth furnace
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Word History and Origins
Origin of open-hearth process1
First recorded in 1885–90
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Example Sentences
Bessemer's relation to the open-hearth process was very much like Kelly's to the Bessemer process....
From Project Gutenberg
Even paper-bagging does not quite match the open-hearth process, though there is the same secret of superiority, namely, cooking things in their own essence by the agency of hot air.
From Project Gutenberg
These steels are manufactured very largely by the open-hearth process, although chromium steels are also a crucible product.
From Project Gutenberg
Contemporaneous with his development of the open-hearth process, William Siemens introduced the rotary furnace for producing wrought-iron direct from the ore without the need of puddling.
From Project Gutenberg
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