| NOUN | process | radioactivity, radiation | the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay |
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| Sounds | rey'diyowaektih'vahtiy; rey.diyowaektih'vahtiy | |
|---|---|---|
| Rhymes | ability ... zloty: 638 rhymes with tiy... | |
| Meaning | The spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay. | |
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| Synonym | radiation | |
| Narrower | 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) |
| Broader | emission | The release of electrons from parent atoms |
| Spanish | radiación, radiactividad, radioactividad | |
| Catalan | radioactivitat | |
| Adjectives | radioactive | exhibiting or caused by radioactivity |
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