SkyfireDict

planetarium   (TTS Sound)

The noun planetarium has 3 senses

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


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


• planetarium -- (an apparatus or model for representing the solar systems)