noun ·Rare ·Advanced level

Definitions

Noun

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

Synonyms

All synonyms

spallspalling

Example

More examples

"Boron is formed by cosmic ray spallation."

Etymology

From spall + -ation.

Related phrases

nuclear reaction

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.