radioactivity Meaning in the Cambridge English Dictionary
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Meaning of “radioactivity” in the English Dictionary

"radioactivity" in British English

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radioactivitynoun [U]

uk   /ˌreɪ.di.əʊ.ækˈtɪv.ɪ.ti/  us   /-oʊ.ækˈtɪv.ə.t̬i/
the ​quality that some ​atoms have of ​producing a ​type of ​energy that can be very ​harmful to ​health the ​energyproduced by ​atoms in this way: A ​dangerousamount of radioactivity was released into the ​environment last ​month.
(Definition of radioactivity from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
Translations of “radioactivity”
in Arabic نَشاط إشعاعي…
in Korean 방사능…
in Portuguese radioatividade…
in Catalan radioactivitat…
in Japanese 放射能…
in Chinese (Simplified) 放射(性), 放射线, 辐射线…
in Turkish radyoaktivite…
in Russian радиоактивность…
in Chinese (Traditional) 放射(性), 放射線, 輻射線…
in Italian radioattività…
in Polish promieniotwórczość, radioaktywność…
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