noun
(physics) a process that alters the energy or structure or composition of atomic nuclei
• Topics: ↑physics, ↑natural philosophy
• Hypernyms: ↑natural process, ↑natural action, ↑action, ↑activity
• Hyponyms:
↑chain reaction, ↑decay, ↑radioactive decay, ↑disintegration, ↑endoergic reaction, ↑exoergic reaction, ↑fission, ↑nuclear fission, ↑fusion, ↑nuclear fusion, ↑nuclear fusion reaction, ↑spallation
* * *
noun, pl ⋯ -tions [count]
physics : ↑reaction 5b
Useful english dictionary. 2012.