First Known Use: 13th century
Dictionary
furnace
furnace
noun fur·nace \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)
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Origin of FURNACE
Middle English furnas, from Anglo-French forneise, from Latin fornac-, fornax; akin to Latin formus warm — more at therm
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