breccia
/ˈbrɛtʃiə/Definitions
1. noun
A type of rock consisting of large angular fragments of older rocks embedded in a finer-grained matrix.
“The geologist studied the breccia formation in the mountain range.”
2. noun
A type of concrete made from aggregate and cement, used in construction.
“The breccia was used to build the foundation of the new skyscraper.”