spallation
spall a tion |spôˈlāSHən spɔˈleɪʃən | ▶noun 1 Physics the breakup of a bombarded nucleus into several parts. 2 Geology separation of fragments from the surface of a rock, esp. by interaction with a compression wave.
spallation |spɔːˈleɪʃ (ə )n | ▶noun [ mass noun ] 1 Physics the break-up of a bombarded nucleus into several parts. 2 Geology separation of fragments from the surface of a rock, especially by interaction with a compression wave.
The Wordsmith Dictionary
The Wordsmith Dictionary