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Furnace hoist | Furnace \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. [1913 Webster] Note: 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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