| NOUN | phenomenon | alpha ray, alpha radiation | the radiation of alpha particles during radioactive decay |
|---|
| Meaning | The radiation of alpha particles during radioactive decay. | |
|---|---|---|
| Synonym | alpha radiation | |
| Broader | corpuscular radiation, particulate radiation | 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) |
| ionizing radiation | high-energy radiation capable of producing ionization in substances through which it passes | |
| Spanish | radiación alfa, rayo alfa | |
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