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breccia

[brech-ee-uh, bresh-] /ˈbrɛtʃ i ə, ˈbrɛʃ-/
noun, Petrology
1.
rock composed of angular fragments of older rocks melded together.
Origin
1765-1775
1765-75; < Italian < Germanic; compare Old High German brecha breaking
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for breccias
  • This has been observed to have occurred in some hydrothermal breccias.
British Dictionary definitions for breccias

breccia

/ˈbrɛtʃɪə/
noun
1.
a rock consisting of angular fragments embedded in a finer matrix, formed by erosion, impact, volcanic activity, etc
Derived Forms
brecciated, adjective
Word Origin
C18: from Italian, from Old High German brecha a fragment; see breach
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for breccias

breccia

n.

"rock of angular pieces," 1774, from Italian breccia, "marble of angular pieces," from a Germanic source akin to Old High German brecha "a breaking," from Proto-Germanic *brekan, from PIE *bhreg- "to break" (see fraction).

Online Etymology Dictionary, © 2010 Douglas Harper
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breccias in Science
breccia
  (brěch'ē-ə, brěch'ə, brěsh'-)   
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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