aphelium

English

Etymology

Unadapted borrowing from Latin aphelium.

Pronunciation

• Rhymes: -iːliəm

Noun

aphelium

1. (obsolete) Synonym of aphelion
   • 1715, David Gregory, The Elements of Aſtronomy, Physical and Geometrical, volume I, London: […] J. Nicholson […], page 147:

     Wherefore a Planet, whoſe Orbit is an Ellipſe, having the Sun for a Focus, muſt neceſſarily be urged, even in its aſcent from the Sun, from the Perihelium to the Aphelium, by a Force tending to the Sun, fince an Ellipſe is concave towards both Foci.

See also

• perihelium

 

Dutch

Het aphelium en perihelium van een planeet.
The aphelion and perihelion of a planet.

Etymology

Borrowed from Latin aphelium, from Ancient Greek ἀπό (apó, “from”) + ἥλιος (hḗlios, “sun”) (modelled after apogaeum). Compare perihelion.

Pronunciation

• IPA^(key): /ɑpˈɦeː.li.ʏm/

• Audio:

  (file)

• Hyphenation: ap‧he‧li‧um

Noun

aphelium n (plural aphelia)

1. (astronomy) aphelion

Antonyms

• perihelium

Norwegian Bokmål

Noun

aphelium n (definite singular apheliet, indefinite plural aphelier, definite plural aphelia or apheliene)

1. alternative form of aphel

Norwegian Nynorsk

Noun

aphelium n (definite singular apheliet, indefinite plural aphelium, definite plural aphelia)

1. alternative form of aphel