Definify.com
Webster 1913 Edition
Slag
Slag
(slăg)
, Noun.
[Sw. ]
slagg
, or LG. slacke
, whence G. schlacke
; originally, perhaps, the splinters struck off from the metal by hammering. See Slay
, Verb.
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
.Webster 1828 Edition
Slag
SLAG
,Noun.