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planetarian

[ plan-i-tair-ee-uhn ]

noun

  1. a staff member at a planetarium.
  2. an inhabitant of a planet.


adjective

  1. of or relating to a planetarian.
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Word History and Origins

Origin of planetarian1

First recorded in 1720–30; from Late Latin planetari(us) planetary ( def ) + -an ( def )

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plane tableplanetarium