slag

laitier, scories

Matière inutile séparée du métal lorsqu’on chauffe le minerai pour en extraire ce métal.

En anglais simple : Unwanted material separated from metal when rock containing metal is heated to produce it.

• The furnace produced slag.
• Slag separates from the metal during smelting.
• The workers collected the cooled slag for disposal.

Synonymes : smelting waste

Expressions courantes : smelting slag, iron slag, molten slag, remove slag

déblais miniers, stériles

Roches et autres matériaux inutiles qui restent après l’extraction minière.

En anglais simple : Unwanted rock and other material left over from mining.

• Slag covered the ground near the mine.
• Workers dumped the slag on a nearby heap.
• Grass now grows over the old mine's slag.

Synonymes : mine waste, spoil

Expressions courantes : slag heap, mine slag, piles of slag

laitier de haut fourneau

Morceaux de déchets solides issus d’un four métallurgique, parfois utilisés pour les revêtements routiers.

En anglais simple : Hard pieces of waste left by a metal furnace, sometimes used to build road surfaces.

• They used slag to surface the road.
• Crushed slag was mixed into the concrete.
• The path was covered with hard furnace slag.

Synonymes : furnace residue

Expressions courantes : crushed slag, blast furnace slag, slag aggregate, slag road surface

scories, crasse

Couche de matières indésirables qui se forme à la surface du métal fondu.

En anglais simple : A layer of unwanted material that forms on top of melted metal.

• Slag floated on the melted metal.
• The worker skimmed slag from the surface.
• Remove the slag before pouring the iron.

Synonymes : dross, scum

Expressions courantes : floating slag, skim off slag, surface slag

dénigrer, médire de

Dire des choses désagréables ou injustes sur quelqu’un.

En anglais simple : To say unpleasant or unfair things about someone.

• Stop slagging her off.
• They slagged the band after the concert.
• Why are you always slagging off your colleagues?

Comment l'utiliser : slag someone/something off (He keeps slagging his old school off.)

Synonymes : badmouth, insult, criticize, run down

Contraires : praise

Expressions courantes : slag someone off, slag off someone, slag someone publicly

produire des scories

Produire des déchets pendant le chauffage du métal ou sa séparation de la roche.

En anglais simple : To produce waste material while metal is being heated or separated from rock.

• This ore slags heavily during smelting.
• The mixture slagged as the furnace heated up.
• Different ores slag at different rates.

Expressions courantes : slag during smelting, slag in furnaces

se scorifier, s'agglomérer

Se transformer en déchet ou former des amas sous l’effet de la chaleur sans fondre complètement.

En anglais simple : To become waste material, or form lumps when heated without melting completely.

• The ash began to slag.
• Some fuels slag at relatively low temperatures.
• The particles slagged into hard lumps inside the furnace.

Synonymes : agglomerate

Expressions courantes : slag when heated, slag into lumps

scorifier

Transformer une matière en déchet issu du chauffage ou du traitement du métal.

En anglais simple : To turn a material into waste left by heating or processing metal.

• The process slags unwanted minerals.
• The heat slagged part of the material.
• Added lime helps slag the impurities in the ore.

Synonymes : scorify

Expressions courantes : slag the impurities, slag the material