slagless

slag

1 [slag]
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), slagged, slagging.
4.
to convert into slag.
5.
Metallurgy. to remove slag from (a steel bath).
verb (used without object), slagged, slagging.
6.
to form slag; become a slaglike mass.

Origin:
1545–55; < Middle Low German slagge; cognate with German Schlacke dross, slag; see slack2

slagable, adjective
slagability, noun
slagless, adjective
slaglessness, noun
unslagged, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
slag (slæɡ)
 
n
1.  See also basic slag Also called: cinder the fused material formed during the smelting or refining of metals by combining the flux with gangue, impurities in the metal, etc. It usually consists of a mixture of silicates with calcium, phosphorus, sulphur, etc
2.  a mass of rough fragments of pyroclastic rock and cinders derived from a volcanic eruption; scoria
3.  a mixture of shale, clay, coal dust, and other mineral waste produced during coal mining
4.  slang (Brit) a coarse or dissipated girl or woman
 
vb , slags, slagging, slagged
5.  slang (Brit) (tr), (usually foll by off) to abuse (someone) verbally
6.  slang (Austral) (intr) to spit
 
[C16: from Middle Low German slagge, perhaps from slagen to slay]
 
'slagging
 
n
 
'slaggy
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

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).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Synonyms
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