HyperDic: alpha_ray

English > 1 sense of the expression alpha ray:
NOUNphenomenonalpha ray, alpha radiationthe radiation of alpha particles during radioactive decay
English > alpha ray: 1 sense > noun 1, phenomenon
MeaningThe radiation of alpha particles during radioactive decay.
Synonymalpha radiation
Broadercorpuscular radiation, particulate radiationA 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)
ionizing radiationhigh-energy radiation capable of producing ionization in substances through which it passes
Spanishradiación alfa, rayo alfa

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