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
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.scoria - the scum formed by oxidation at the surface of molten metalsscoria - 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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
how planted upon this once scraggy scoria of a country?
Some of the interior valleys are strewed with scoria and broken stones, evidently of volcanic origin; the surrounding rocks bear the like character, and vestiges of extinguished craters are to be seen on the elevated heights.
The path coiled down abruptly into a narrow ravine between two tumbled and knotty masses of blackish scoria. Into this we plunged.
Of the total domestic crushed stone produced in 2018, about 68 percent was limestone and dolomite; 15 percent, granite; 6 percent, traprock; 5 percent, miscellaneous stone; 4 percent, sandstone and quartzite; and the remaining 2 percent was divided, in descending order of tonnage, among marble, volcanic cinder and scoria, calcareous marl, slate, and shell.
Not all moai have pukao, and for their study, the researchers looked at 3D models of 50 pukao spread across the Pacific island, as well as 13 red scoria (the material of which the pukao are made) cylinders at a site called Puna Pau, the island's quarry where the pukao were made.
An additional 8,000 fischer frame fixings FUR and 17,000 frame fixings SXRL affixed the rear-ventilated facade in concrete and Scoria bricks at the Olympic stadium in Sochi, which was rebuilt on the occasion of the world cup.
"Our porous PEEK Scoria technology features a porous architecture that seamlessly transitions to solid PEEK," said Chris Lee, CEO of Vertera Spine, an Atlanta, Ga.-based provider of spinal products and materials.
Immediately the terrain appears as though landscaped - a perfect arrangement of boulders, grasstrees, red scoria paths and clumps of wildflowers in yellow, white, blue, pink and purple.
Covering some 180,000 square km, they contain tuff rings, lava domes, lava flows, scoria cones and more.
The second paper proposed the use of natural SCMs such as volcanic rock (scoria) and limestone for economic benefit and early-strength and durability improvements, respectively.
The lightweight scoria aggregates can be utilized to reduce the earthquake acceleration by producing structural lightweight aggregates.