To pronounce "planetariums", say PLAN-et-ar-iums — 4 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
planetariums
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4
Syllables
12
Letters
PLAN-et-ar-iums
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"planetariums" has 4 syllables: plan-et-ar-iums. It rhymes with sanitariums, if that helps it stick.
noun
Practicing rhymes trains the same ending sounds.
"Planetariums" has 4 syllables: plan · et · ar · iums.
Planetariums: A display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling.
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