slag
1[ slag ]
/ slæg /
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noun
Also called cinder. the more or less completely fused and vitrified matter separated during the reduction of a metal from its ore.
the scoria from a volcano.
waste left over after the re-sorting of coal.
verb (used with object), slagged, slag·ging.
to convert into slag.
Metallurgy. to remove slag from (a steel bath).
verb (used without object), slagged, slag·ging.
to form slag; become a slaglike mass.
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Origin of slag
1OTHER WORDS FROM slag
Other definitions for slag (2 of 2)
slag2
[ slag ]
/ slæg /
noun
British Slang. an abusive woman.
Origin of slag
2First recorded in 1780–90; originally an argot word for a worthless person or a thug; perhaps identical with slag1
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use slag in a sentence
The British tabloids have been urging Cameron to “stand up for Britain” and tell Obama to stop slagging us off.
British Dictionary definitions for slag
slag
/ (slæɡ) /
noun
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, etcSee also basic slag
a mass of rough fragments of pyroclastic rock and cinders derived from a volcanic eruption; scoria
a mixture of shale, clay, coal dust, and other mineral waste produced during coal mining
British slang a coarse or dissipated girl or woman
verb slags, slagging or slagged
(tr) British slang (usually foll by off) to abuse (someone) verbally
(intr) Australian slang to spit
Derived forms of slag
slagging, nounslaggy, adjectiveWord Origin for slag
C16: from Middle Low German slagge, perhaps from slagen to slay
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Scientific definitions for slag
slag
[ slăg ]
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
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