- the slag or refuse left after metal has been smelted from ore
- loose, cinderlike lava
Origin of scoriaMiddle English ; from Classical Latin ; from Classical Greek skōria, refuse, dross ; from skōr, dung: see scato-
- Geology Porous cinderlike fragments of dark lava. Also called cinders, slag.
- Metallurgy The refuse of a smelted metal or ore; slag. Also called cinder.
Origin of scoriaMiddle English, dross, from Latin scōria, from Greek skōriā, from skōr, excrement, dung; see sker-3 in Indo-European roots.
(plural scorias or scoriae)
From Latin scōria, from Ancient Greek σκωρία (skōria), from σκῶρ (skōr, “dung”).