planetarium

From Wiktionary
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The Simple English Wikipedia has an article on:

Pronunciation[change]

  • IPA (key): /plænɪˈtɛːrɪəm/
  • Audio (UK)(file)

Noun[change]

Singular
planetarium

Plural
planetariums or planetaria

  1. (countable) A planetarium is a display museum in which images of stars and other astronomical objects are projected onto a domed ceiling.
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