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scoria

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scoria

Main Entry:: sco·ria
Pronunciation:: \ˈskȯr-ē-ə\
Function:: noun
Inflected Form(s):: plural sco·ri·ae \-ē-ˌē, -ē-ˌī\
Etymology:: Middle English, from Latin, from Greek skōria, from skōr excrement — more at scatology
Date:: 14th century

1 : the refuse from melting of metals or reduction of ores : slag 2 : rough vesicular cindery lava

— sco·ri·a·ceous

Listen to the pronunciation of scoriaceous

\ˌskȯr-ē-ˈā-shəs\ adjective

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