breccia

[brech-ee-uh, bresh-]
noun Petrology.
rock composed of angular fragments of older rocks melded together.

Origin:
1765–75; < Italian < Germanic; compare Old High German brecha breaking

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World English Dictionary
breccia (ˈbrɛtʃɪə)
 
n
a rock consisting of angular fragments embedded in a finer matrix, formed by erosion, impact, volcanic activity, etc
 
[C18: from Italian, from Old High German brecha a fragment; see breach]
 
'brecciated
 
adj

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Etymonline
Word Origin & History

breccia
"rock of angular pieces," 1774, from It., "marble of angular pieces," from a Gmc. source akin to O.H.G. brecha "a breaking," from P.Gmc. *brekan, from PIE *bhreg- "to break" (see fraction).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
breccia   (brěch'ē-ə, brěch'ə, brěsh'-)  Pronunciation Key 
A rock composed of angular fragments embedded in a fine-grained matrix. Breccias form from explosive volcanic ejections, the compaction of talus, or plate tectonic processes. Breccias are different from conglomerates in that the fragments they contain are angular instead of rounded.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Breccia refers to a rock formed from another rock that was broken up and/or shattered in some way.
The pink breccia section is characterized by disorganized or chaotic reflections caused by the jumble of clasts it contains.
The resulting breccia is uniform in rock type and chemical composition.
Images for breccia
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