Synonyms of planetarium

Noun

1. planetarium, building, edifice

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

2. planetarium, optical device

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

3. planetarium, model, simulation

usage: an apparatus or model for representing the solar systems

Definition and meaning of planetarium (Dictionary)