scoria
Americannoun
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Metallurgy. the refuse, dross, or slag left after melting or smelting metal; scum.
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Geology. a cinderlike basic cellular lava.
noun
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a rough cindery crust on top of solidified lava flows containing numerous vesicles
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refuse obtained from smelted ore; slag
Other Word Forms
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.
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
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Burning cinders and scoria lit up the eastern horizon like a fountain of fire.
From The Bridge of the Gods A Romance of Indian Oregon. 19th Edition. by Balch, Frederic Homer
Just as a fringe of scoria and lava encircles the mouth of a burning mountain.
From A Girl's Ride in Iceland by Alec-Tweedie, Mrs. (Ethel)
The non-metallic particles being brought to a state of fusion by the constant action of four pair of hand-worked bellows, the iron with the scoria sinks to the bottom.
From The Highlands of Ethiopia by Harris, William Cornwallis
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.