orrery

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noun or·rery \ ˈȯr-ər-ē , ˈär- \

Definition of orrery

plural orreries
:an apparatus showing the relative positions and motions of bodies in the solar system by balls moved by a clockwork

Recent Examples of orrery from the Web

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Origin and Etymology of orrery

Charles Boyle †1731 4th Earl of Orrery


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