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planetarium Synonyms
Another word for planetarium
Choosing another word for planetarium that fits your sentence is easier when synonyms and similar words are paired with an exact noun definition and ranked by match strength.
• noun (Context 1)
An optical projection device used to project images of celestial bodies onto a domed ceiling, or a mechanical model representing the solar system.
Usage Example
"The museum's new digital orrery can simulate the night sky from any point on Earth at any date in history."
Strong
orrery
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Planetarium. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/planetarium