perihelion

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English[edit]

Etymology[edit]

peri- +‎ helium

Alteration of Latin perihelium, from Ancient Greek περί ‎(perí, near) + ἥλιος ‎(hḗlios, sun). Compare aphelion.

Noun[edit]

perihelion ‎(plural perihelia)

  1. (astronomy) The point in the elliptical orbit of a planet or comet etc. where it is nearest to the Sun.

Antonyms[edit]

Related terms[edit]

Translations[edit]


Esperanto[edit]

Noun[edit]

perihelion

  1. accusative singular of perihelio