B2 noun ˌreɪ.di.oʊ.ækˈtɪv.ə.ti
radioactivity
radioaktivität
Meaning
The emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.
Example
Radioactivity is used in medical treatments like cancer therapy.
Radioaktivität wird in medizinischen Behandlungen wie der Krebstherapie verwendet.