scoria
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sco·ri·a
(skôr′ē-ə)n. pl. sco·ri·ae (skôr′ē-ē′)
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 scōria, from Greek skōriā, from skōr, excrement, dung; see sker- in Indo-European roots.]
sco′ri·a′ceous (-ā′shəs) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
scoria
(ˈskɔːrɪə)n, pl -riae (-rɪˌiː)
1. (Geological Science) a rough cindery crust on top of solidified lava flows containing numerous vesicles
2. (Metallurgy) refuse obtained from smelted ore; slag
[C17: from Latin: dross, from Greek skōria, from skōr excrement]
scoriaceous, scoriac, scorious adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
sco•ri•a
(ˈskɔr i ə, ˈskoʊr-)n., pl. sco•ri•ae (ˈskɔr iˌi, ˈskoʊr-)
1. the refuse, dross, or slag left after melting or smelting metal.
2. Geol. a cinderlike basic cellular lava.
[1350–1400; Middle English < Latin scōria < Greek skōría, derivative of skôr dung]
sco`ri•a′ceous (-ˈeɪ ʃəs) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
sco·ri·a
(skôr′ē-ə) Rough, crusty, solidified lava containing numerous cavities that originated as gas bubbles in the lava while it was still molten.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
scoria
Fragments of dark lava that resemble cinders.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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Noun | 1. | scoria - the scum formed by oxidation at the surface of molten metals 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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