WordNet Dictionary
Webster's 1913 Dictionary\A*phel"ion\ (?; 277), n.; pl. {Aphelia}. [Gr. ? + ? sun.] (Astron.) That point of a planet's or comet's orbit which is most distant from the sun, the opposite point being the perihelion.
| Pronunciation: | u'feeleeun | ||
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| Matching Terms: | apheliotropic, apheliotropism | ||
| WordNet Dictionary | |||
| Definition: | [n] apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun | ||
| Antonyms: | perihelion | ||
| See Also: | apoapsis, point of apoapsis | ||
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| Webster's 1913 Dictionary | |||
| Definition: | \A*phel"ion\ (?; 277), n.; pl. {Aphelia}. [Gr. ? + ? sun.] (Astron.) That point of a planet's or comet's orbit which is most distant from the sun, the opposite point being the perihelion. | ||
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