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open-hearth process

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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.

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Origin of open-hearth process

First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for open-hearth process

open-hearth process

noun

a process for making steel using an open-hearth furnace
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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