Fur"nace , n.
1. To throw
out, or exhale, as from a furnace; also, to put into a furnace. [Obs. or R.]
He furnaces
The thick sighs from him.
Shak.
Fur"nace (?), n. [OE.
fornais, forneis, OF. fornaise, F. fournaise, from L. fornax; akin to furnus oven, and prob. to E.
forceps.]
1. An inclosed place in which heat
is produced by the combustion of fuel, as for reducing ores or melting metals, for warming a
house, for baking pottery, etc.; as, an iron
furnace; a hot-air furnace; a glass furnace; a boiler furnace, etc.
&fist; Furnaces are classified as wind or air. furnaces when the fire
is urged only by the natural draught; as blast furnaces, when the fire
is urged by the injection artificially of a forcible current of air; and as
reverberatory furnaces, when the flame, in passing to the chimney, is thrown down by a low arched roof upon the
materials operated upon.
2.
A place or time of punishment, affiction, or great trial; severe experience or discipline. Deut.
iv. 20.
Bustamente furnace,
a shaft furnace for roasting quicksilver
ores. -- Furnace bridge, Same as Bridge wall. See Bridge, n.,
5. -- Furnace cadmiam or cadmia, the oxide of
zinc which accumulates in the chimneys of furnaces smelting zinciferous ores. Raymond. -- Furnace hoist (Iron Manuf.), a lift for raising ore, coal, etc., to the mouth of
a blast furnace.
Hear it pronounced