Synonyms for planetarium | Synonym.com

Synonyms and antonyms for planetarium

1. planetarium (n.)

a building housing an instrument for projecting the positions of the planets onto a domed ceiling

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2. planetarium (n.)

an apparatus or model for representing the solar systems

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3. planetarium (n.)

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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