spallation
noun
- process of breaking into fragments
Wiktionary
Pronunciation: /spəˈleɪʃ(ə)n/ / /spɔːleɪʃən/ / /spɑːleɪʃən/
noun
Etymology: From spall + -ation.
- Fragmentation due to stress or impact, or any pattern of surface damage created thereby.
- A nuclear reaction in which a nucleus fragments into many nucleons.