scoria
Americannoun
plural
scoriae-
Metallurgy. the refuse, dross, or slag left after melting or smelting metal; scum.
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Geology. a cinderlike basic cellular lava.
noun
-
a rough cindery crust on top of solidified lava flows containing numerous vesicles
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refuse obtained from smelted ore; slag
plural
scoriaeOther Word Forms
- scoriaceous adjective
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 large cylindrical pukaos are made of red volcanic rock called scoria, while the Moai heads are carved from volcanic tuff.
From BBC
The area shown here has distinctive landforms that include explosively-formed maar craters, lava domes built by viscous lava flows, and scoria or cinder cones formed around a single volcanic vent.
From The Guardian
The researchers are convinced that these are true volcanic cones, similar to common volcanoes on Earth known as scoria cones and tuff cones.
From Scientific American
Soon the deep green of durum wheat fields and shocking yellow of canola give way to rectangular lots of red scoria gravel studded with drilling rigs and horse head pumps.
From Los Angeles Times
Red scoria gravel drill pads are being laid down at a rate of 200 a month.
From Scientific American
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.
