English dictionary

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English noun: planetarium

1. planetarium (artifact) a building housing an instrument for projecting the positions of the planets onto a domed ceiling

Broader (hypernym)building, edifice

Part holonymplanetarium

2. planetarium (artifact) an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome

Broader (hypernym)optical device

Part meronymplanetarium

3. planetarium (artifact) an apparatus or model for representing the solar systems

Broader (hypernym)model, simulation

Narrower (hyponym)orrery

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