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радиоактивность meaning in English

RussianEnglish
радиоактивность noun
{f}

radioactivity [radioactivities](emission of ionizing radiation)
noun
[UK: ˌreɪ.dɪəʊæk.ˈtɪ.vɪ.ti] [US: ˌreɪ.dɪo.ʊæk.ˈtɪ.vɪ.ti]