planetariumnoun [ C ]
uk/ˌplæn.ɪˈteə.ri.əm/us/ˌplæn.ɪˈter.i.əm/plural planetariums or or planetaria uk/-ə/usa building in which moving images of the sky at night are shown using a special machine
Thesaurus: synonyms and related words
Astronomy
- asteroid
- astral
- astro-
- astrolabe
- astronomer
- geostationary orbit
- gibbous
- heavenly body
- interplanetary
- interstellar
- Pleiades
- plough
- Pluto
- Polaris
- pulsar
- Uranus
- Venus
- vernal equinox
- wane
- white dwarf
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