Slag

Quick meaning: Slag is a noun meaning Waste material from a mine.

Meaning

Waste material from a mine.

More Meanings

1. Scum that forms on the surface of molten metal.
2. Impurities formed and separated out when a metal is smelted from ore; vitrified cinders.
3. Hard aggregate remaining as a residue from blast furnaces, sometimes used as a surfacing material.
4. Scoria associated with a volcano.
5. (UK, Ireland, Australia, slang, derogatory) A prostitute or promiscuous woman; a slut.
6. (UK, Ireland, derogatory, dated) A coward.
7. (UK, Ireland, chiefly Cockney, derogatory) A contemptible person, a scumbag.

Example Sentences

All these properties are determined by slag composition and its temperature. In basic slags, foaming ability increases as SiO₂ concentration grows.

Consequently, mounds of large ‘cakes’ of slag are often found near the smelting sites of the Late Bronze Age, as for example at Ramsau in Austria (Doonan et al. 1996).

He leans out over the track and skims slag off the top of the boiling steel, risking what is called “catching a flyer,” which occurs when hot metal explodes out of the mold, spraying everyone in the vicinity.

During blast furnace operations, the plant operator pays careful attention to the slag chemistry (both composition and variability) as slag behavior is a major consideration in ensuring the quality of hot metal (molten iron).

Word Forms

• slags
• slagging
• slagged

Synonyms for slag

Depending on context, synonyms include goafing, gobbin, mullock, dross, recrement, scoria.

Related Words

Related dictionary entries include scoria, dross, clinker, milkman, dairy, milk.

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