noun
a stream of atomic or subatomic particles that may be charged positively (e.g. alpha particles) or negatively (e.g. beta particles) or not at all (e.g. neutrons)
• Syn: ↑corpuscular radiation
• Hypernyms: ↑radiation, ↑radioactivity
• Hyponyms: ↑alpha radiation, ↑alpha ray, ↑beta radiation, ↑beta ray, ↑electron radiation, ↑neutron radiation
Useful english dictionary. 2012.