open-hearth

[ oh-puh n-hahrth ]
/ ˈoʊ pənˈhɑrθ /

adjective

noting, pertaining to, or produced by the open-hearth process.

Origin of open-hearth

First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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