APHELION

aphelion

(noun) apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun

Source: WordNet® 3.1


Etymology

Noun

aphelion (plural aphelia)

(astronomy) The point in the elliptical orbit of a planet, comet, etc, where it is farthest from the Sun.

Antonyms

• perihelion

Anagrams

• Ophelian

Source: Wiktionary


A*phel"ion, n.; pl. Aphelia. Etym: [Gr. (Astron.)

Definition: That point of a planet's or comet's orbit which is most distant from the sun, the opposite point being the perihelion.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

28 April 2024

POLYGENIC

(adjective) of or relating to an inheritable character that is controlled by several genes at once; of or related to or determined by polygenes


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Coffee Trivia

In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.

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