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scoria

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(skôr′ē ə)

noun pl. scoriae

the slag or refuse left after metal has been smelted from ore
loose, cinderlike lava

Origin: ME < L < Gr skōria, refuse, dross < skōr, dung: see scato-

Related Forms:

scoriaceous adjective

See scoria in American Heritage Dictionary 4

noun pl. sco·ri·ae (skôrˈē-ēˌ, skōrˈ-)

Geology Porous cinderlike fragments of dark lava. Also called cinders, slag.
Metallurgy The refuse of a smelted metal or ore; slag. Also called cinder.

Origin:

Origin: Middle English, dross

Origin: , from Latin scōria

Origin: , from Greek skōriā

Origin: , from skōr, excrement, dung; see sker-³ in Indo-European roots

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Related Forms:

scoˌri·aˈceous (-āˈshəs) adjective

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