open-hearth furnace
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open-hearth furnace
n
(Metallurgy) (esp formerly) a steel-making reverbatory furnace in which pig iron and scrap are contained in a shallow hearth and heated by producer gas
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Noun | 1. | open-hearth furnace - a furnace for making steel in which the steel is placed on a shallow hearth and flames of burning gas and hot air play over it furnace - an enclosed chamber in which heat is produced to heat buildings, destroy refuse, smelt or refine ores, etc. |
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