scoria

sco·ri·a

S0156100 (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.

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[Middle English, dross, from Latin scōria, from Greek skōriā, from skōr, excrement, dung; see sker- in Indo-European roots.]

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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 vesicles2. (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.

Thesaurus

Noun

1.

scoria - the scum formed by oxidation at the surface of molten metalsslag, drossscum - a film of impurities or vegetation that can form on the surface of a liquidbasic slag - slag produced in making steel; low in silica but having large amounts of calcium phosphate; useful as fertilizer