scoria definition by Webster's New World
- the slag or refuse left after metal has been smelted from ore
- loose, cinderlike lava
Origin: Middle English ; from Classical Latin ; from Classical Greek skōria, refuse, dross ; from skōr, dung: see scato-
- scoriaceous adjective
scoria definition by American Heritage Dictionary
noun pl. sco·ri·ae
- 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: Middle English, dross, from Latin scōria, from Greek skōriā, from skōr, excrement, dung; see sker-3 in Indo-European roots.
- scoˌri·aˈceous adjective
scoria - Science Definition
Plural scoriae scoriae