Radioactivity
//ˌreɪdɪəʊakˈtɪvɪti//
Pronunciation
US //ˌreɪdɪəʊakˈtɪvɪti//
US
Syllables: 7
Phonemes: R EY1 D IY0 OW0 AE2 K T IH2 V AH0 T IY2
US
Syllables: 7
Phonemes: R EY2 D IY0 OW0 AE2 K T IH1 V AH0 T IY2
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.