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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 slag /ˈslæg/

From: Webster's Revised Unabridged Dictionary (1913)

 Slag n.
 1. The dross, or recrement, of a metal; also, vitrified cinders.
 2. The scoria of a volcano.
 3. Metal. A product of smelting, containing, mostly as silicates, the substances not sought to be produced as matte or metal, and having a lower specific gravity than the latter; -- called also, esp. in iron smelting, cinder. The slag of iron blast furnaces is essentially silicate of calcium, magnesium, and aluminium; that of lead and copper smelting furnaces contains iron.
 Slag furnace, or  Slag hearth Metal., a furnace, or hearth, for extracting lead from slags or poor ore.
 Slag wool, mineral wool. See under Mineral.

From: Webster's Revised Unabridged Dictionary (1913)

 Slag, v. i. & t.  [imp. & p. p. Slagged p. pr. & vb. n. Slagging.] Metal. To form, or form into, a slag; to agglomerate when heated below the fusion point.

From: WordNet (r) 2.0

      n : the scum formed by oxidation at the surface of molten metals
          [syn: scoria, dross]
      [also: slagging, slagged]