C1
radioactivity
/ˌreɪdɪəʊækˈtɪvɪti/
noun
radioaktywność
Also
promieniotwórczość(f)
Definition
The emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.
Examples
The area was contaminated with high levels of radioactivity.
Obszar był skażony wysokim poziomem radioaktywności.
Scientists study radioactivity to understand nuclear processes.
Naukowcy badają radioaktywność, aby zrozumieć procesy jądrowe.
Synonyms
radiationnuclear emission
Collocations
levels of radioactivitynatural radioactivitymeasure radioactivity
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