aphelion
aph·elion
noun \a-ˈfēl-yən, ˌap-ˈhēl-\ plural aph·elia\-yə\
Definition of APHELION
: the point in the path of a celestial body (as a planet) that is farthest from the sun — compare perihelion
See Origin of APHELION
New Latin, from apo- + Greek hēlios sun — more at solar
First Known Use: 1656
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