- Dictionary
- Word comparison: scoria vs. pumice
scoria vs. pumice
noun
plural
scoriaeMetallurgy., the refuse, dross, or slag left after melting or smelting metal; scum.
Geology., a cinderlike basic cellular lava.
noun
Also called pumice stone. a porous or spongy form of volcanic glass, used as an abrasive.
verb (used with object)
pumiced, pumicing
to rub, smooth, clean, etc., with pumice.