Meaning of PLANETARIUM
| Pronunciation: | | `plani'tehreeum
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 WordNet Dictionary |
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- [n] an apparatus or model for representing the solar systems
- [n] an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
- [n] a building housing an instrument for projecting the positions of the planets onto a domed ceiling
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| | See Also: | | building, edifice, model, optical device, orrery, planetarium, simulation | |
| Webster's 1913 Dictionary |
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| | Definition: | | \Plan`e*ta"ri*um\, n. [NL.: cf. F. plan['e]taire.
See {Planetary}.]
An orrery. See {Orrery}.
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| | Related Terms: | | 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 |
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