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Definitions from WordNet

Definitions from the Web

Term: aphelion

Noun:

1. The point in the orbit of a planet, comet, or other celestial body at which it is furthest from the sun.

Example sentence: The Earth reaches its aphelion around July 4th each year.

Adjective:

1. Of or relating to the aphelion.

Example sentence: The aphelion distance is a major factor in determining a planet's climate.

Adverb:

1. At or during the point in a planet's orbit when it is furthest from the sun.

Example sentence: The spaceship will pass aphelion in just a few hours.

Related forms:

Plural noun: aphelia

Adjective: aphelian

Adverb: apheliotically