English dictionary
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English noun: radioactivity | |||
| 1. | radioactivity (process) the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay | ||
| Synonyms | radiation | ||
| Broader (hypernym) | emission | ||
| Narrower (hyponym) | corpuscular radiation, particulate radiation | ||
Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
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Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk