- Slag is waste matter separated from metal during smelting.
An example of slag is the iron and silica that is removed during copper and lead smelting.
- To slag is defined as to create waste matter from metal smelting.
An example of to slag is for the heat of copper smelting to remove the iron and silica from the copper.
- the fused refuse or dross separated from a metal in the process of smelting
- lava resembling this
- Chiefly Brit., Slang
- a worthless, contemptible person
- a sexually promiscuous woman
Origin of slag; from Middle Low German slagge (from source German schlacke) ; from slagen, to strike: for Indo-European base see slay
transitive verbslagged, slagging
- to form into slag
- Chiefly Brit., Slang to criticize, disparage, or insult: often with off
- Waste material from a coal mine.
- Scum that forms on the surface of molten metal.
- Impurities formed and separated out when a metal is smelted from ore; vitrified cinders.
- Hard aggregate remaining as a residue from blast furnaces, sometimes used as a surfacing material.
- Scoria associated with a volcano.
- (UK, pejorative, dated) A coward.
- (UK, pejorative) A contemptible person, a scumbag.
- (UK, pejorative) A prostitute.
- (UK, Australia, New Zealand, slang, pejorative) A woman (sometimes a man) who has loose morals relating to sex; a slut.
(third-person singular simple present slags, present participle slagging, simple past and past participle slagged)