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slag - 9 dictionary results

slag

1[slag] noun, verb, slagged, slag⋅ging.
–noun
1. Also called cinder. the more or less completely fused and vitrified matter separated during the reduction of a metal from its ore.
2. the scoria from a volcano.
3. waste left over after the re-sorting of coal.
–verb (used with object)
4. to convert into slag.
5. Metallurgy. to remove slag from (a steel bath).
–verb (used without object)
6. to form slag; become a slaglike mass.

Origin:
1545–55; < MLG slagge; c. G Schlacke dross, slag; see slack 2


slag⋅a⋅ble, adjective
slag⋅a⋅bil⋅i⋅ty, noun
slagless, adjective
slag⋅less⋅ness, noun

slag

2[slag]
–noun
British Slang. an abusive woman.

Origin:
1780–90; orig. an argot word for a worthless person or a thug; perh. identical with slag 1
sco·ri·a   (skôr'ē-ə, skōr'-)   
n.   pl. sco·ri·ae (skôr'ē-ē', skōr'-)
  1. Geology Porous cinderlike fragments of dark lava. Also called cinders, slag.
  2. Metallurgy The refuse of a smelted metal or ore; slag. Also called cinder.

[Middle English, dross, from Latin scōria, from Greek skōriā, from skōr, excrement, dung; see sker-3 in Indo-European roots.]
sco'ri·a'ceous (-ā'shəs) adj.
slag   (slāg)   
n.  
  1. The vitreous mass left as a residue by the smelting of metallic ore.
  2. See scoria.
tr. & intr.v.   slagged, slag·ging, slags
To change into or form slag.

[Low German slagge, from Middle Low German.]
slag'gy adj.

Slag

Slag\, n. (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

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.

Slag

Slag\, 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.

2. The scoria of a volcano.

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.
Language Translation for : slag
Spanish: golpe (violento), golpetazo,
German: der Schlag,
Japanese: 強打

slag 
1552, from M.L.G. slagge (Ger. Schlacke) "splinter flying off when metal is struck," related to O.H.G. slahan "to strike, slay" (see slay). Verbal slang meaning "denigrate" is from 1971, from noun sense of "worthless person" (1788).
slag   (slāg)  Pronunciation Key 
The vitreous mass left as a residue by the smelting of metallic ore. It consists mostly of the siliceous and aluminous impurities from the iron ore.
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