Word Games Pro Dictionary
planetarium
noun
an apparatus or model for representing the solar systems
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Pronunciation
plænɪˈtɛːɹɪəm
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Meaning
Definitions
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
noun
a building housing an instrument for projecting the positions of the planets onto a domed ceiling