alpha radiation

English Thesaurus

1. the radiation of alpha particles during radioactive decay (noun.phenomenon)

hypernym	:	ionizing radiation,
definition	:	high-energy radiation capable of producing ionization in substances through which it passes (noun.phenomenon)

hypernym	:	corpuscular radiation, particulate radiation,
definition	:	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) (noun.phenomenon)