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perihelion

per·i·he·li·on
P p

Transcription

    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [per-uh-hee-lee-uh n, -heel-yuh n]
    • /ˌpɛr əˈhi li ən, -ˈhil yən/
    • /ˌpe.rɪ.ˈhiː.lɪən/
    • US Pronunciation
    • US IPA
    • [per-uh-hee-lee-uh n, -heel-yuh n]
    • /ˌpɛr əˈhi li ən, -ˈhil yən/

Definitions of perihelion word

  • noun plural perihelion the point in the orbit of a planet or comet at which it is nearest to the sun. 1
  • noun perihelion point where orbiting body is nearest the sun 1
  • noun perihelion the point in its orbit when a planet or comet is nearest the sun 0
  • noun perihelion the point nearest the sun in the orbit of a planet, comet, or man-made satellite 0
See all 4 definitions of perihelion

Information block about the term

Origin of perihelion

First appearance:

before 1660
One of the 46% oldest English words
1660-70; < Greek peri- peri- + hḗli(os) sun + -on neuter noun suffix, on the model of perigee; earlier in the New Latin form perihelium

Historical Comparancy

Parts of speech for Perihelion

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
Full grammatical hierarchy of Perihelion

perihelion popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 61% of English native speakers know the meaning and use word.
This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

perihelion usage trend in Literature

This diagram is provided by Google Ngram Viewer

Top questions with perihelion

  • what is a perihelion?
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  • when is the earth at perihelion?
  • what is perihelion aphelion?
  • what is perihelion and when does it occur?
  • what is the perihelion?
  • what is perihelion and aphelion?
  • what is aphelion and perihelion?
  • what is the perihelion of mercury?
  • what is the meaning of perihelion?

Related words

  • anomalistic year

    the interval between two successive passages of the earth through perihelion; 365.25964 mean solar days

  • aphelion

    the point in its orbit when a planet or comet is at its greatest distance from the sun

  • halley's comet

    a comet with a period averaging 76 years. In this century it was visible to terrestrial observers just before and after reaching perihelion in 1910 and again in 1986.

  • mean anomaly

    the anomaly of a mean planet; the angular distance of the planet from perihelion or aphelion.

  • mean planet

    a hypothetical planet that coincides with a real planet when the real planet is at perihelion and that moves in an orbit at a constant velocity equal to the mean velocity of the real planet.

  • peri-

    enclosing, encircling, or around
All related words to perihelion

See also

Matching words

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