Loose, cinderlike lava
That which is left over after part is taken away; remainder; rest
Waste matter; worthless stuff; rubbish
Anything thrown away or rejected as worthless or useless; waste; trash; rubbish
The unburned particles and white or grayish powder remaining after a thing has been burned
Find another word for slag. In this page you can discover 14 synonyms, antonyms, idiomatic expressions, and related words for slag, like: recrement, scoria, cinders, debris, residue, dross, gossan, quicklime, diatomite, scrap iron and refuse.