Origin: Latin suffix -tion
Nuclear reaction has 2 different meanings across 1 category:
(physics) a process that alters the energy or structure or composition of atomic nuclei
A process such as the fission of an atomic nucleus, or the fusion of one or more atomic nuclei and/or subatomic particles in which the number of protons and/or neutrons in a nucleus changes; the reaction products may contain a different element or a different isotope of the same element.