DICTIONARY ENTRY
5 SYLLABLES
planetarium
/,plænɪ'tɜriəm/ · plænɪtɜriəm
Planetarium has 5 syllables: plan · e · tar · i · um.
plan
01
e
02
tar
03
i
04
um
05
noun. A building housing an instrument for projecting the positions of the planets onto a domed ceiling.
noun. An apparatus or model for representing the solar systems.
noun. An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.
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