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planetarium vs orrery

orrery vs planetarium

planetarium and orrery both are nouns.

Word NounAdjectiveVerbAdverb
planetarium Yes No No No
orrery Yes No No No
As nouns, orrery is a hyponym of planetarium; that is, orrery is a word with a more specific, narrower meaning than planetarium:
  • planetarium: an apparatus or model for representing the solar systems
  • orrery: planetarium consisting of an apparatus that illustrates the relative positions and motions of bodies in the solar system by rotation and revolution of balls moved by wheelwork; sometimes incorporated in a clock
planetarium (noun) orrery (noun)
an apparatus or model for representing the solar systems planetarium consisting of an apparatus that illustrates the relative positions and motions of bodies in the solar system by rotation and revolution of balls moved by wheelwork; sometimes incorporated in a clock
an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
a building housing an instrument for projecting the positions of the planets onto a domed ceiling
Difference between planetarium and orrery

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