Scoria meaning

skôrē-ə
Frequency:
Porous cinderlike fragments of dark lava.
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The refuse of a smelted metal or ore; slag.
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The slag or refuse left after metal has been smelted from ore.
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Loose, cinderlike lava.
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Rough, crusty, solidified lava containing numerous vesicles that originated as gas bubbles in the lava while it was still molten.
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The slag or dross that remains after the smelting of metal from an ore. [from 14th c.]
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(geology) Rough masses of rock formed by solidified lava, and which can be found around a volcano's crater. [from 18th c.]
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Origin of scoria

  • Middle English dross from Latin scōria from Greek skōriā from skōr excrement, dung sker-3 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin scōria, from Ancient Greek σκωρία (skōria), from σκῶρ (skōr, “dung").

    From Wiktionary