What does "spallation" mean?

Fragmentation due to stress or impact, or any pattern of surface damage created thereby.

What is a synonym for "spallation"?

Common synonyms include: spall.

Pronounced //spɔːleɪʃən//.

/spɔːleɪʃən/ noun

noun ·Rare ·Advanced level

Noun

1
Fragmentation due to stress or impact, or any pattern of surface damage created thereby. countable, uncountable
2
(physics) a nuclear reaction in which a bombarded nucleus breaks up into many particles wordnet
3
A nuclear reaction in which a nucleus fragments into many nucleons. countable, uncountable

"Boron is formed by cosmic ray spallation."

From spall + -ation.