noun, plural a·phe·li·a [uh-fee-lee-uh, uh-feel-yuh, ap-hee-lee-uh] /əˈfi li ə, əˈfil yə, æpˈhi li ə/.
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Origin of aphelion
OTHER WORDS FROM apheliona·phe·li·an, adjective
Words nearby aphelion
Example sentences from the Web for aphelion
The motion of Newton's comet at aphelion may be equally slight.The Education of Henry Adams|Henry Adams
When the earth leaves the aphelion, a reaction takes place, being most rapid in September.Outlines of a Mechanical Theory of Storms|T. Bassnett
An irregularity in the motion of a planet by which it deviates from the aphelion or apogee.The Sailor's Word-Book|William Henry Smyth
It has its perihelion near the orbit of the earth, and its aphelion a little beyond that of Jupiter.Letters on Astronomy|Denison Olmsted
Whereas at its greatest distance from the sun (aphelion) the velocity is reduced to about 10 feet a second!Astronomical Curiosities|J. Ellard Gore