To pronounce "protonium", say PROT-on-ium — 3 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
protonium
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3
Syllables
9
Letters
PROT-on-ium
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"protonium" has 3 syllables: prot-on-ium.
"Protonium" has 3 syllables: prot · on · ium.
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