Radium
//ˈɹeɪ.dɪ.əm//
Pronunciation
US //ˈɹeɪ.dɪ.əm//
US //ˈɹeɪ.di.əm//
US //ˈɹeɪ.dɪ.əm//
US //ˈɹeɪ.di.əm//
US
Syllables: 3
Phonemes: R EY1 D IY0 AH0 M
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.