To pronounce "prothallium", say PROTH-all-ium — 3 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
prothallium
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3
Syllables
11
Letters
PROTH-all-ium
Say it like
"prothallium" has 3 syllables: proth-all-ium.
"Prothallium" has 3 syllables: proth · all · ium.
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