scoria

English

From Latin scōria, from Ancient Greek σκωρία (skōría), from σκῶρ (skôr, “dung”).

scoria (plural scorias or scoriae)

The slag or dross that remains after the smelting of metal from an ore. [from 14th c.]
- 1837 Thomas Carlyle, The French Revolution: A History
  The like stuff is in Anacharsis: hot metal; full of scoriae, which should and could have been smelted out, but which will not.
(geology) Rough masses of rock formed by solidified lava, and which can be found around a volcano's crater. [from 18th c.]
- 2004, Richard Fortey, The Earth, Folio Society 2011, p. 10:
  An excellent guidebook by Drs Kilburn and McGuire of University College London reveals that these unpromising pieces of debris are scoria and lithic fragments of the March 1944 eruption.

volcanic rock

scoria f (plural scorie)

From Ancient Greek σκωρία (skōría), from σκῶρ (skôr).

scōria f (genitive scōriae); first declension

First declension.

scoria in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
scoria in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)

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