a small blast furnace for smelting lead.
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Also called Scotch furnace, Scotch hearth.
Origin of ore hearth
First recorded in 1815–25
Words nearby ore hearth
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for ore hearth
Lead ores are smelted in the reverberatory furnace, the ore-hearth, and the blast-furnace.