'Planetarium' definitions:
Definition of 'planetarium'
From: WordNet
noun
A building housing an instrument for projecting the positions of the planets onto a domed ceiling
noun
An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
noun
An apparatus or model for representing the solar systems
Definition of 'Planetarium'
From: GCIDE
Synonyms of 'planetarium'
From: Moby Thesaurus
- astronomical observatory,
- astronomical telescope,
- Cassegrainian telescope,
- coelostat,
- coronagraph,
- coronograph,
- heliostat,
- Newtonian telescope,
- OAO,
- observatory,
- orrery,
- OSO,
- radar telescope,
- radio observatory,
- radio telescope,
- reflector,
- refractor,
- spectrograph,
- spectroheliograph,
- spectrohelioscope,
- spectroscope,
- telescope