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open-hearth furnace


from the GNU version of the Collaborative International Dictionary of English

  • adj. a reverberatory furnace; esp., a kind of reverberatory furnace in which the fuel is gas, used in manufacturing steel.

from The Century Dictionary and Cyclopedia

  • n. The form of regenerative furnace of the reverberatory type used in making steel by the Martin, Siemens, and Siemens-Martin processes. See steel.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. 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


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