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radioactivity meaning in Russian

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

радиоактивностьnoun
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