The slag or dross that remains after the smelting of metal from an ore. / (geology) Rough masses of rock formed by solidified lava, and which can be found around a volcano's crater.

plural of scoria

plural of scoria

A sloppily cut groove, furrow, or trench, characterised by the presence of refuse material from which it was cut.

aphetic form of excoriation

of, relating to, or producing scoria

Aphetic form of excoriating

reduced to scoria

Of or pertaining to scoria.

plural of scoriation