open-hearth
9.5
Steel that people make by heating iron in a large furnace
- adjective
- Archaic
:
de horno abierto
- With the decline of open-hearth furnaces, newer steelmaking techniques became dominant.
- open-hearth furnace
- open-hearth mills
Examples
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The plant specializes in producing open-hearth steel for industrial customers.
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Many old bridges were constructed using open-hearth iron due to its strength.
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The open-hearth method revolutionized steel production.
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Many open-hearth furnaces are now obsolete.
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The steel produced by the open-hearth process is known for its high quality and durability.
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In the early 20th century, the open-hearth method revolutionized the steel industry.
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Workers at the open-hearth furnace must wear protective gear due to the extreme heat.
Surface Forms
open-hearth positive
Morphology
Etymology
Open-hearth comes from the two parts open ('not closed') and hearth ('fireplace'). It named a large, open fireplace-like furnace used to heat metal, so open-hearth steel is steel made by heating metal in that kind of wide, open furnace.
