scoria (redirected from scoriae)

sco·ri·a  (skôr-, skr-)

n. pl. sco·ri·ae (skôr-, skr-)

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 scria, from Greek skri, from skr, excrement, dung; see sker-³ in Indo-European roots.]

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scori·aceous (-shs) adj.

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scoria [ˈskɔːrɪə]

n pl -riae [-rɪˌiː]

1. (Earth Sciences / Geological Science) a rough cindery crust on top of solidified lava flows containing numerous vesicles

2. (Engineering / Metallurgy) refuse obtained from smelted ore; slag

[from Latin: dross, from Greek skōria, from skōr excrement]

scoriaceous  [ˌskɔːrɪˈeɪʃəs] adj

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scoria  (skôr-)

Plural scoriae (skôr-)

Rough, crusty, solidified lava containing numerous vesicles that originated as gas bubbles in the lava while it was still molten.

Thesaurus

Noun

1.

scoria - the scum formed by oxidation at the surface of molten metals slag, dross 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