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open-hearth

[oh-puh n-hahrth] /ˈoʊ pənˈhɑrθ/
adjective
1.
noting, pertaining to, or produced by the open-hearth process.
Origin
1880-1885
1880-85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for open-hearth
  • open-hearth or electric steel of uniform quality must be used.

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