Dictionary

blast furnace

noun

: a large structure in which rock containing a metal is melted so that the metal can be separated from the rock

Full Definition of BLAST FURNACE

:  a furnace in which combustion is forced by a current of air under pressure; especially :  one for the reduction of iron ore

First Known Use of BLAST FURNACE

1706

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2 ENTRIES FOUND:
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May 26, 2015
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