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.

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

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.

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.

scoria

Fragments of dark lava that resemble cinders.
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
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.
Covering some 180,000 square km, they contain tuff rings, lava domes, lava flows, scoria cones and more.
These hats are large, cylindrical stones made from a volcanic rock known as 'red scoria.
He initially joined the Band following his first year at McGill at the suggestion of his then-girlfriend (now wife), who was also a trombonist with Symphony Nova Scoria.
He told me," We develop our own implants and perform the porous PEEK Scoria processing for our implants in-house.
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Elsewhere, the increased concentration of scoria indicates metallurgical activity.
The road is packed scoria, the local volcanic rock used for most road construction.
Of the total domestic crushed stone produced in 2014, about 69 percent was limestone and dolomite; 14 percent, granite; 7 percent, traprock; 5 percent, miscellaneous stone; 4 percent, sandstone and quartzite; and the remaining 1 percent was divided, in descending order of tonnage, among marble, volcanic cinder and scoria, slate, shell, and calcareous marl.