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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, ˌskɔːrɪˈeɪʃəs /

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  
/ skôrē-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

Though damaged by the falling scoria, it was once more green; but the grave in which the gold and pearls lay was covered three feet deep in lava and small stones.

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

The former describes many substances under the terms scoria, molybdaena, scoria argyros and lithargyros, which are all varieties of litharge.

From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola

His passions are scoriae, his imagination a holocaust.

From Time Magazine Archive

How and why did they shape their scoriae colossi?

From Time Magazine Archive

They are at a depth of about 12 ft., in slaty shale containing Llandeilo fossils and contemporaneous felspathic ash and scoriae.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" by Various

Besides the scoriae, I found upon the hillside much broken pottery, and from the shape of several fragments it was easy to restore the form of earthenware pots which were probably used for smelting purposes.

From Wanderings by southern waters, eastern Aquitaine by Edward Harrison Barker

Our decks were covered with dust and scoriae, and this fell steadily all that day.

From The Island of Gold A Sailor's Yarn by Gordon Stables

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