To pronounce "cesium", say CES-ium — 2 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
cesium
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2
Syllables
6
Letters
CES-ium
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"cesium" has 2 syllables: ces-ium. It rhymes with magnesium, if that helps it stick.
noun
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Practicing rhymes trains the same ending sounds.
"Cesium" has 2 syllables: ces · ium.
Cesium: The chemical element (symbol Cs) with an atomic number of 55. It is a soft, gold-colored, highly reactive alkali metal.
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