noun \ˈfər-nəs\

: one for melting metals

: one for heating a building or apartment

Full Definition of FURNACE

:  an enclosed structure in which heat is produced (as for heating a house or for reducing ore)

Origin of FURNACE

Middle English furnas, from Anglo-French forneise, from Latin fornac-, fornax; akin to Latin formus warm — more at therm
First Known Use: 13th century


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