Word.ws English Dictionary

planetariums

planetariums is the plural of planetarium.

Meaning of planetarium

Noun

planetarium (plural planetariums or planetaria)

  1. A display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling.
    Synonyms:
    Spacearium
  2. An orrery.

Synonyms of planetariums

Questions about planetariums

What is planetariums the plural of?
Planetariums is the plural of planetarium.

Words near planetariums in the dictionary

  1. planetarian
  2. planetarians
  3. planetaries
  4. planetarily
  5. planetarium
  6. planetariums
  7. planetary
  8. planetary aberration
  9. planetary aberrations
  10. planetary bodies
  11. planetary body

Source and license

Adapted from Wiktionary: planetariums (page history and authors); planetarium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “planetariums.” Word.ws, https://word.ws/planetariums. Based on Wiktionary, CC BY-SA 4.0.