To pronounce "bismuthonium", say BISM-uth-on-ium — 4 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
bismuthonium
Tap to hear · American accent
Accent
If an accent sounds the same, your device is missing that voice — it falls back to the closest one.
Speed
Syllable by syllable — tap each one
Record yourself saying bismuthonium, then compare with the target. Your audio stays on this device — nothing is uploaded.
4
Syllables
12
Letters
BISM-uth-on-ium
Say it like
"bismuthonium" has 4 syllables: bism-uth-on-ium.
"Bismuthonium" has 4 syllables: bism · uth · on · ium.
Want the definition, translations into 8 languages, and read-aloud for full sentences?
Open “bismuthonium” in the full dictionary →