Word.ws English Dictionary

aphelions

aphelions is the plural of aphelion.

Meaning of aphelion

Noun

aphelion (plural aphelia or (deprecated) aphelions)

  1. (also, figuratively) The point in the elliptical orbit of a comet, planet, or other astronomical object, where it is farthest from the Sun.
    • [I]t follows from the theory of gravity, that the aphelia of Mercury, Venus, the Earth, and Mars, slightly progress.1837, William Whewell, “The Inductive Epoch of Newton—Discovery of the Universal Gravitation of Matter, according to the Law of the Inverse Square of the Distance”, in History of the Inductive...
    Antonyms:
    perihelion

Questions about aphelions

What is aphelions the plural of?
Aphelions is the plural of aphelion.

Words near aphelions in the dictionary

  1. aphelinid
  2. aphelinids
  3. aphelinine
  4. aphelinines
  5. aphelion
  6. aphelions
  7. apheliotropic
  8. apheliotropically
  9. apheliotropism
  10. apheliscine
  11. aphelium

Source and license

Adapted from Wiktionary: aphelions (page history and authors); aphelion (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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