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n. pl. or·re·ries
A mechanical model of the solar system or parts of it.
[After Charles Boyle, Fourth Earl of Orrery (1676-1731), for whom one was made.]
n, pl -ries
(Astronomy) a mechanical model of the solar system in which the planets can be moved at the correct relative velocities around the sun
[C18: originally made for Charles Boyle, Earl of Orrery]
or•rer•y(ˈɔr ə ri, ˈɒr-)
n., pl. -rer•ies.
an apparatus for representing with movable balls the positions, motions, and phases of the bodies of the solar system.
[1705–15; after Charles Boyle, Earl of Orrery (1676–1731), for whom it was first made]
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|Noun||1.||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 - an apparatus or model for representing the solar systems