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(plan-e-tar-i-um) 5 syllables

Definition

noun. a building that shows stars and planets.

Example Sentence

Our class took a field trip to the planetarium to look at the stars.

More Example Sentences

Students learned about the stars at the planetarium.

Synonyms

star theater; observatory

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planetarium
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Rhymes

  • barium
  • merriam

  • aquarium
  • herbarium

  • honorarium
  • planetarium
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