Synonyms of 'dross'

alluvion, alluvium, ash, brand, calx, carbon, charcoal, cinder, clinker, coal, coke, coom, deposition, diluvium, draff, dregs, ember, feces, froth, fume, lava, lees, loess, moraine, precipitate, precipitation, reek, scoria, scum, sediment, silt, sinter, slag, smoke, smudge, smut, soot, sublimate, sullage