furnace
    n 1: an enclosed chamber in which heat is produced to heat
         buildings, destroy refuse, smelt or refine ores, etc.

Furnace \Fur"nace\, n.
   1. To throw out, or exhale, as from a furnace; also, to put
      into a furnace. [Obs. or R.]
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            He furnaces
            The thick sighs from him.             --Shak.
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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.
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   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.
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   2. A place or time of punishment, affiction, or great trial;
      severe experience or discipline. --Deut. iv. 20.
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   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.
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Hydrocarbon \Hy`dro*car"bon\, n. [Hydro-, 2 + carbon.] (Chem.)
   A compound containing only hydrogen and carbon, as methane,
   benzene, etc.; also, by extension, any of their derivatives.
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   Hydrocarbon burner, furnace, stove, a burner, furnace,
      or stove with which liquid fuel, as petroleum, is used.
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Furnace
   (1.) Chald. attun, a large furnace with a wide open mouth, at
   the top of which materials were cast in (Dan. 3:22, 23; comp.
   Jer. 29:22). This furnace would be in constant requisition, for
   the Babylonians disposed of their dead by cremation, as did also
   the Accadians who invaded Mesopotamia.
   
     (2.) Heb. kibshan, a smelting furnace (Gen. 19:28), also a
   lime-kiln (Isa. 33:12; Amos 2:1).
   
     (3.) Heb. kur, a refining furnace (Prov. 17:3; 27:21; Ezek.
   22:18).
   
     (4.) Heb. alil, a crucible; only used in Ps. 12:6.
   
     (5.) Heb. tannur, oven for baking bread (Gen. 15:17; Isa.
   31:9; Neh. 3:11). It was a large pot, narrowing towards the top.
   When it was heated by a fire made within, the dough was spread
   over the heated surface, and thus was baked. "A smoking furnace
   and a burning lamp" (Gen. 15:17), the symbol of the presence of
   the Almighty, passed between the divided pieces of Abraham's
   sacrifice in ratification of the covenant God made with him.
   (See OVEN.)
   
     (6.) Gr. kamnos, a furnace, kiln, or oven (Matt. 13:42, 50;
   Rev. 1:15; 9:2).