planetarium

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a building housing an instrument for projecting the positions of the planets onto a domed ceiling
• Hypernyms:
building, edifice
2. an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
• Hypernyms:
optical device
3. an apparatus or model for representing the solar systems
• Hypernyms:
model, simulation
• Hyponyms:
orrery