Word.ws English Dictionary

heliopause

UK/ˈhiː.li.ə.pɔːz//ˈhi.li.əˌpɔz/

heliopause noun: the boundary of heliosphere where the Sun's solar wind is stopped by the interstellar medium.

Noun

heliopause (plural heliopauses)

  1. The boundary of heliosphere where the Sun's solar wind is stopped by the interstellar medium.

Forms of heliopause

pluralheliopauses

Origin of heliopause

From helio- + -pause.

Questions about heliopause

What does heliopause mean?
Heliopause means the boundary of heliosphere where the Sun's solar wind is stopped by the interstellar medium.
What part of speech is heliopause?
Heliopause is a noun.
How do you pronounce heliopause?
Heliopause is pronounced /ˈhiː.li.ə.pɔːz/ (UK).
What is the plural of heliopause?
The plural of heliopause is heliopauses.

Words near heliopause in the dictionary

  1. helional
  2. helionaut
  3. helionauts
  4. helionium
  5. helions
  6. heliopause
  7. heliopauses
  8. heliophile
  9. heliophiles
  10. heliophilia
  11. heliophilic

Source and license

Adapted from Wiktionary: heliopause (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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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-heliopause.wav.

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