Neptunium
//nɛpˈtjuːniəm//
Pronunciation
US //nɛpˈtjuːniəm//
US //nɛpˈtuːniəm//
US
Syllables: 4
Phonemes: N EH0 P T UW1 N IY0 AH0 M
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.