Meaning of “planetarium” in the English Dictionary

american-english dictionary

"planetarium" in British English

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(Definition of “planetarium” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"planetarium" in American English

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planetariumnoun [ C ]

us /ˌplæn·ɪˈteər·i·əm/

a building specially equipped to show images of the stars in the sky and other objects in space on a curved ceiling

(Definition of “planetarium” from the Cambridge Academic Content Dictionary © Cambridge University Press)