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aphelion

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noun aph·elion \a-ˈfēl-yən, ˌap-ˈhēl-\

Definition of aphelion

plural aph·eliaplay \-yə\

  1. :  the point in the path of a celestial body (as a planet) that is farthest from the sun — compare perihelion



Origin of aphelion

New Latin, from apo- + Greek hēlios sun — more at solar


First Known Use: 1656


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