Search Result for "slag": 
Wordnet 3.0

NOUN (1)

1. the scum formed by oxidation at the surface of molten metals;
[syn: slag, scoria, dross]

VERB (1)

1. convert into slag;

The Collaborative International Dictionary of English v.0.48:

Slag \Slag\ (sl[a^]g), n. [Sw. slagg, or LG. slacke, whence G. schlacke; originally, perhaps, the splinters struck off from the metal by hammering. See Slay, v. t.] 1. The dross, or recrement, of a metal; also, vitrified cinders. [1913 Webster] 2. The scoria of a volcano. [1913 Webster] 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. [Webster 1913 Suppl.] 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. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Slag \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. [Webster 1913 Suppl.]
WordNet (r) 3.0 (2006):

slag n 1: the scum formed by oxidation at the surface of molten metals [syn: slag, scoria, dross] v 1: convert into slag
Moby Thesaurus II by Grady Ward, 1.0:

81 Moby Thesaurus words for "slag": alluvion, alluvium, ash, ashes, bones, brand, calx, carbon, chaff, charcoal, cinder, clinker, coal, coke, coom, culm, deadwood, deposition, deposits, diluvium, dishwater, draff, dregs, dross, dust, ember, feces, filings, froth, fume, garbage, gash, grounds, hogwash, husks, lava, leavings, lees, loess, moraine, offal, offscourings, offscum, orts, parings, potsherds, precipitate, precipitation, rags, raspings, reek, refuse, scoria, scourings, scrap iron, scraps, scum, sediment, settlings, shards, shavings, silt, sinter, slack, slop, slops, smoke, smudge, smut, soot, stubble, sublimate, sullage, sweepings, swill, tares, wastage, waste, waste matter, wastepaper, weeds