English dictionary
planetarium meaning and definition
Definition and meaning of planetarium at MeaningMonkey.org. planetarium meaning and definition in the English Dictionary.PLANETARIUM noun
Definition of planetarium (noun)
- a building housing an instrument for projecting the positions of the planets onto a domed ceiling
- an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
- an apparatus or model for representing the solar systems
Source: Princeton University Wordnet