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open-hearth

American

[oh-puhn-hahrth] / ˈoʊ pənˈhɑrθ /

adjective

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

Etymology

Origin of open-hearth

First recorded in 1880–85

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.