planetarium

noun/ˌplænɪˈtɛriəm/

Frequency rank: #16,612 most common English word

Meaning

A domed building where images of stars and planets are projected onto the ceiling for educational or entertainment purposes.

Illustration for the English word “planetarium”

Example sentence

Our school trip included visiting the downtown planetarium to watch a show about the solar system.

Synonyms & related words

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