planetarium vs optical device
optical device vs planetariumplanetarium and optical device both are nouns.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| planetarium | Yes | No | No | No |
| optical device | Yes | No | No | No |
As nouns,
optical device is a hypernym of
planetarium; that is, optical device is a
word with a broader meaning than planetarium:
- planetarium: an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
- optical device: a device for producing or controlling light
| planetarium (noun) | optical device (noun) |
|---|---|
| an apparatus or model for representing the solar systems | a device for producing or controlling light |
| an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome | |
| a building housing an instrument for projecting the positions of the planets onto a domed ceiling |
Words related to "planetarium"
Words related to "optical device"
- Kerr cell
- Nicol prism
- Rochon prism
- Wollaston prism
- autofocus
- biprism
- camera lucida
- coelostat
- collimator
- device
- diffraction grating
- diffuser
- diffusor
- finder
- grating
- laser
- lens
- lens system
- lense
- optical maser
- optical prism
- planetarium
- polarimeter
- polariscope
- prism
- projector
- stereoscope
- view finder
- viewer
- viewfinder
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