Looking for the meaning of the word RADIOACTIVITY in English for both noun and verb forms from the Oxford Dictionary? Below, you can explore all possible meanings and definitions of RADIOACTIVITY with sentence examples. You can also use the “AUDIO PRONUNCIATION” track to check the correct pronunciation in British English.
Word: Radioactivity
Speech Type: Noun
Audio Pronunciation:
Phonetic Spelling:
ˌreɪdɪəʊakˈtɪvɪti
Dialects: British English
Definition:
the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.
Short Definition:emission of ionizing radiation or particles caused by spontaneous disintegration of atomic nuclei
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