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scoria
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5 dictionary results for: scoria
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
sco·ri·a       [skawr-ee-uh, skohr-] Pronunciation Key
–noun, plural sco·ri·ae       [skawr-ee-ee, skohr-] Pronunciation Key.
1.Metallurgy. the refuse, dross, or slag left after melting or smelting metal; scum.
2.Geology. a cinderlike basic cellular lava.
[Origin: 1350–1400; ME < L scōria < Gk skōría, deriv. of skôr dung]

—Related forms
sco·ri·a·ceous       [skawr-ee-ey-shuhs, skohr-] Pronunciation Key, adjective
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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American Heritage Dictionary - Cite This Source - Share This
sco·ri·a       (skôr'ē-ə, skōr'-)  Pronunciation Key 
n.   pl. sco·ri·ae (skôr'ē-ē', skōr'-)
  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-3 in Indo-European roots.]

sco'ri·a'ceous (-ā'shəs) adj.
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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WordNet - Cite This Source - Share This
scoria

noun
the scum formed by oxidation at the surface of molten metals [syn: slag] 

WordNet® 3.0, © 2006 by Princeton University.
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The American Heritage Science Dictionary - Cite This Source - Share This
scoria       (skôr'ē-ə)  Pronunciation Key 
Plural scoriae (skôr'ē-ē')
Rough, crusty, solidified lava containing numerous vesicles that originated as gas bubbles in the lava while it was still molten.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Scoria

Sco"ri*a\, n.; pl. Scori[ae]. [L., fr. Gr. ?, fr. ? dung, ordure.]

1. The recrement of metals in fusion, or the slag rejected after the reduction of metallic ores; dross.

2. Cellular slaggy lava; volcanic cinders.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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