breccia

[brech-ee-uh, bresh-]

noun Petrology.

rock composed of angular fragments of older rocks melded together.

Origin of breccia

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for breccia

Historical Examples of breccia

Its material is a breccia from a quarry near Thebes, and is remarkable for its hardness.
Museum of Antiquity
L. W. Yaggy
Breccia is a rock in which the included fragments are angular.
Geology
James Geikie
It is composed of huge blocks of breccia, some of them thirteen feet long.
Seeing Europe with Famous Authors, Vol VIII
Various
A breccia is a rock made up of angular pebbles or fragments of other rocks.
Roman Mosaics
Hugh Macmillan
The investigation disclosed several different beds of stalagmite, cave earth, and breccia.
The Prehistoric World
E. A. Allen

British Dictionary definitions for breccia

breccia

noun

a rock consisting of angular fragments embedded in a finer matrix, formed by erosion, impact, volcanic activity, etc

Derived Formsbrecciated, adjective

Word Origin for breccia

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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for breccia

"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).

breccia in Science

breccia

[brĕch′ē-ə, brĕch′ə, brĕsh′-]

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.