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slag1

[slag] /slæg/
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
1545-1555
1545-55; < Middle Low German slagge; cognate with German Schlacke dross, slag; see slack2
Related forms
slagable, adjective
slagability, noun
slagless, adjective
slaglessness, noun
unslagged, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un-slagged

slag

/slæɡ/
noun
1.
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 See also basic slag
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.
(Brit, slang) a coarse or dissipated girl or woman
verb slags, slagging, slagged
5.
(transitive) (Brit, slang) (usually foll by off) to abuse (someone) verbally
6.
(intransitive) (Austral, slang) to spit
Derived Forms
slagging, noun
slaggy, adjective
Word Origin
C16: from Middle Low German slagge, perhaps from slagen to slay
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for un-slagged

slag

n.

"refuse from smelting," 1550s, from Middle Low German slagge (German Schlacke) "splinter flying off when metal is struck," related to Old High German slahan "to strike, slay" (see slay (v.)).

v.

"denigrate," by 1971, from slag (n.) in a secondary sense of "worthless person" (1788). Related: Slagged; slagging.

Online Etymology Dictionary, © 2010 Douglas Harper
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un-slagged in Science
slag
  (slāg)   
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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Slang definitions & phrases for un-slagged

slag

noun

: its purposeful indie-rock slag at commerciality

verb

(also slag off) To denigrate; bad-mouth, put down: Everybody was getting slagged/ I don't mean to slag the girls at Douglas/ This time I can't give it to you, can't totally slag you off (1971+)

[origin unknown; perhaps fr German schlagen, ''beat, whip'']


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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