English Dictionary

slag

/slæɡ/

noun

Waste material from a mine. / Scum that forms on the surface of molten metal. / Impurities formed and separated out when a metal is smelted from ore; vitrified cinders.

The miners disposed of the slag in a designated area.

意味（1）

Waste material from a mine.

After the big village, the scenery had returned to grass and woodland, but this had now given way to ugly mounds of discarded slag. Beyond the slag was a colliery with its machinery and smoking chimney, making the whole area look grim and austere.

意味（2）

Scum that forms on the surface of molten metal.

In Asia Minor and on islands in the Aegean Sea, dumps of slag (scum formed by molten metal surface oxidation) demonstrate that silver was being separated from lead as early as 5000 BC.

意味（3）

Impurities formed and separated out when a metal is smelted from ore; vitrified cinders.

Buried within the Mediterranean littoral are some seventy to ninety million tons of slag from ancient smelting, about a third of it concentrated in Iberia. This ceaseless industrial fueling caused the deforestation of an estimated fifty to seventy million acres of woodlands.

意味（4）

Hard aggregate remaining as a residue from blast furnaces, sometimes used as a surfacing material.

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).

意味（5）

Scoria associated with a volcano.

意味（6）

(UK, derogatory, dated) A coward.

意味（7）

(UK, chiefly Cockney, derogatory) A contemptible person, a scumbag.

Kill him. Kill the royal slag.

意味（8）

(slang, derogatory) A prostitute, or a woman who acts like one; a slut.

We never talked about that, of course; we talked about how we could find a woman in the Dilly, and if the Yanks had taken them all, how we could always resort to the peroxided older slags who hung out around the side doors to Waterloo station and did knee tremblers for the Yanks.