🪨 Waste from metal 🔥 To make waste 🧹 To remove waste 💥 To damage badly

to slag

9.1

To turn metal or ore into a hard, stony waste when it is melted

verb
/slæɡ/

Specialized

: convertir en escoria

During the smelting process, the furnace operator must slag the impurities to obtain pure metal.

Examples

After heating the ore, it was important to slag the waste material to enhance the quality of the final product.
Melt the blockage to slag and drag the lorries out.

Superman vs. The Elite (2012)
Yeah, it's not like now let me slag my girlfriend, right?
But there would be times when I fell into the trap of like, OK, people know Jack mate, for being the guy to slag stuff off and that's funny, whatever.
But that's they'll they'll they'll probably slag me off more than you don't think so.
To improve the metal's properties, we need to slag any leftover impurities after refining.

Synonyms

to smelt

vsto slag

Specialized

3 8.0

To get metal from rock by heating it until it melts

focuses on producing leftover waste from ore during refining

Compounds

basic slag

Specialized

8.4

Material from making steel that farmers use as fertilizer

slag tag

Baby Talk

9.5

A children's game like tag where one child chases others

Surface Forms

slag infinitive

slagged past

slagged past participle

slagging present participle

slags third person singular

Etymology

Slag as a verb comes from the old Norse slagg, meaning 'waste' or 'scum', and it paints a clear picture: to slag something is to turn it into that waste during smelting. So to slag metal is to make impurities form a stony layer.