[ˈskɔːrɪə], (Noun)

Definitions:
- basaltic lava ejected as fragments from a volcano, typically with a frothy texture
(e.g: chunks of black scoria)

- slag separated from molten metal during smelting
(e.g: the scoria has been expelled completely from the mercury)


Phrases:

Origin:
late Middle English (denoting slag from molten metal): via Latin from Greek skōria ‘refuse’, from skōr ‘dung’. The geological term dates from the late 18th century