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blast furnace

noun

  1. a large vertical furnace for smelting iron from ore, using coke as fuel: designed so as to direct a continuous blast of air through the fuel in order to obtain a high rate of combustion.


blast furnace

noun

  1. a vertical cylindrical furnace for smelting iron, copper, lead, and tin ores. The ore, scrap, solid fuel, and slag-forming materials are fed through the top and a blast of preheated air is forced through the charge from the bottom. Metal and slag are run off from the base


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Word History and Origins

Origin of blast furnace1

First recorded in 1700–10
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Example Sentences

One hundred and twenty-five ton blast furnace, at Covington, Va.

The blast furnace arose in the eighteenth century, and developed with the use of coke.

How came this living form, clad in gleaming silver, out there in that blast-furnace heat?

Its industrial establishments comprise rolling-mill, blast-furnace, foundries, and machine-works.

With red-rimmed eyes, cracked, parched lips and swollen tongues, they looked as if they had been dragged through a blast furnace.

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