/
ˈskɔːrɪə/
n.
(pl. scoriae
/-rɪiː/
)
- basaltic lava ejected as fragments from a volcano, typically with a frothy texture.
- slag separated from molten metal during smelting.
Derivative
- scoriaceous
/-ˈeɪʃəs/
adj.
Etymology
ME: via L. from Gk skōria ‘refuse’, from skōr ‘dung’.