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.

Word History and Origins

Origin of planetarian¹

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

Example Sentences

With the help of Straubel’s extended family, Volz has put together a two-part article for Planetarian, the journal of the International Planetarium Society.

From Slate