Furnace | n. 1. To throw out, or exhale, as from a furnace; also, to put into a furnace. [ Obs. or R. ] [ 1913 Webster ] He furnaces The thick sighs from him. Shak. [ 1913 Webster ] |
Furnace | 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. [ 1913 Webster ] ☞ 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. [ 1913 Webster ] 2. A place or time of punishment, affiction, or great trial; severe experience or discipline. Deut. iv. 20. [ 1913 Webster ] Bustamente furnace, a shaft furnace for roasting quicksilver ores. -- Furnace bridge, Same as Bridge wall. See Bridge, n., 5. -- Furnace cadmiam or Furnace 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. [ 1913 Webster ]
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