Definitions for



Overview of noun planetarium

The noun planetarium has 3 senses? (no senses from tagged texts)
1. planetarium

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

2. planetarium

(an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome)

3. planetarium

(an apparatus or model for representing the solar systems)

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