planetarium

noun/ˌplænɪˈtɛriəm/

Frequency rank: #16,612 of 20,003 in the WORDED list (wordfreq data)

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

More words in ranks 16,601–16,700