open-hearth

open-hearthIn an open-hearth furnace, pig iron is melted to produce steel.A. fuel and air enterB. molten pig ironC. exhaust gases exit

o·pen-hearth

O5100100 (ō′pən-härth′)adj.1. Relating to or being a reverberatory furnace used in the production of high-quality steel.2. Of or relating to the use of an open fireplace, especially for cooking.

o′pen-hearth′



adj. noting, pertaining to, or produced by the open-hearth process. [1880–85]
Thesaurus
Adj.1.open-hearth - of or relating to or produced by the open-hearth process; "open-hearth steel"