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Meaning & Definition of Planetarium in English

English

Planetarium

/plænətɛriəm/

noun

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

    synonym:
  • planetarium

2. An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome

    synonym:
  • planetarium

3. An apparatus or model for representing the solar systems

    synonym:
  • planetarium