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scoria

American  
[skawr-ee-uh, skohr-] / ˈskɔr i ə, ˈskoʊr- /

noun

  • scoriae
    plural
  1. Metallurgy. the refuse, dross, or slag left after melting or smelting metal; scum.

  2. Geology. a cinderlike basic cellular lava.


scoria British  
/ ˈskɔːrɪə /

noun

  1. a rough cindery crust on top of solidified lava flows containing numerous vesicles

  2. refuse obtained from smelted ore; slag

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

scoria Scientific  
/ skôr′ē-ə /
  • scoriae
    plural
  1. Rough, crusty, solidified lava containing numerous vesicles that originated as gas bubbles in the lava while it was still molten.


Other Word Forms

Derived Forms

Inflected Forms

Nouns


Etymology

Origin of scoria

1350–1400; Middle English < Latin scōria < Greek skōría, derivative of skôr dung


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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The type of volcanic rock with common vesicles is called scoria.

From Textbooks ● Jan. 1, 2017

Lank shadows and stocky, the fluttering shadows of dresses, the ridiculous elongated shadows of trousered legs, darted and danced last week all over the reddish scoria of the Roland Garros Stadium courts near Paris.

From Time Magazine Archive

We passed through a lane of black scoria, with steep banks on both sides.

From The World's Greatest Books — Volume 19 — Travel and Adventure by Sir John Alexander Hammerton

All that fearful day and all the following night scoria and ashes continued to fall, the thunder never ceased, and the lightning was still incessant.

From Annie o' the Banks o' Dee by Gordon Stables

Large quantities of iron scoria, scattered over the fields near the village, are generally allowed to indicate that a Roman bloomery was established near the spot.

From A Tour throughout South Wales and Monmouthshire by J. T. Barber

How and why did they shape their scoriae colossi?

From Time Magazine Archive

His passions are scoriae, his imagination a holocaust.

From Time Magazine Archive

These consist either of lava or scoriae, or of finely- stratified, sandstone-like tuff.

From The Voyage of the Beagle by Charles Darwin

Above the wooded zone Ætna is covered with miniature cones thrown up by different eruptions and regions of dreary plateau covered with scoriae and ashes and buried under snow a part of the year.

From Seeing Europe with Famous Authors, Volume 8 Italy and Greece, Part Two by Francis W. (Francis Whiting) Halsey

Still another plain, black with lava and the scoriae of extinct volcanoes—black, treeless, and herbless—with not an atom of organic matter upon its desolate surface.

From The Rifle Rangers by Mayne Reid

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