Synonyms and Antonyms for planetarium

1. planetarium (n.)

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


2. planetarium (n.)

an apparatus or model for representing the solar systems

Synonyms: Antonyms:

3. planetarium (n.)

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