SPALLATION

Pronunciation (US): (GB):

Meaning:

(physics) a nuclear reaction in which a bombarded nucleus breaks up into many particles

Example:

some astronomers believe that the solar system was formed by spallation when the sun was a very young star

Classified under:

Nouns denoting natural processes

Hypernyms ("spallation" is a kind of...):

nuclear reaction ((physics) a process that alters the energy or structure or composition of atomic nuclei)

Domain category:

natural philosophy; physics (the science of matter and energy and their interactions)