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scoria

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
sco·ri·a  (skôr-, skr-)
n. pl. sco·ri·ae (skôr-, skr-)
1. Geology Porous cinderlike fragments of dark lava. Also called cinders, slag.
2. Metallurgy The refuse of a smelted metal or ore; slag. Also called cinder.
[Middle English, dross, from Latin scria, from Greek skri, from skr, excrement, dung; see sker-3 in Indo-European roots.]
scori·aceous (-shs) adj.
scoria [score-ee-a]
Noun
1. Geol a mass of solidified lava containing many cavities
2. refuse left after ore has been smelted [Latin: dross]
scoria  (skôr-)
Plural scoriae (skôr-)
Rough, crusty, solidified lava containing numerous vesicles that originated as gas bubbles in the lava while it was still molten.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.scoriascoria - the scum formed by oxidation at the surface of molten metals
slag, dross
scum - a film of impurities or vegetation that can form on the surface of a liquid
basic slag - slag produced in making steel; low in silica but having large amounts of calcium phosphate; useful as fertilizer
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how planted upon this once scraggy scoria of a country?
Moby Dick I-LXVII by Melville, Herman View in context
Some of the interior valleys are strewed with scoria and broken stones, evidently of volcanic origin; the surrounding rocks bear the like character, and vestiges of extinguished craters are to be seen on the elevated heights.
Astoria or Anecdotes of an enterprise beyond the Rocky Mountains by Irving, Washington View in context
The path coiled down abruptly into a narrow ravine between two tumbled and knotty masses of blackish scoria.
The Island of Doctor Moreau by Wells, H.G. View in context
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