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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.
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.
Rough, crusty, solidified lava containing numerous cavities that originated as gas bubbles in the lava while it was still molten.
Fragments of dark lava that resemble cinders.
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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