heliopause
/ˈhi.li.əˌpɔz/noun
heliopause is spelled H-E-L-I-O-P-A-U-S-E: 10 letters and 4 syllables. It appears about once in every 49 million words in written English, the 217,360th most frequent word form (wordfreq, 2021 data). As a noun, heliopause means “The boundary of heliosphere where the Sun's solar wind is stopped by the interstellar medium” (English Wiktionary, September 2026). The plural of heliopause is heliopauses.
How many letters and syllables are in heliopause?
| Letters | 10: H-E-L-I-O-P-A-U-S-E |
|---|---|
| Syllables | 4 (from its pronunciation) |
| In writing | about once in every 49 million words; the 217,360th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is heliopause?
Heliopause appears about once in every 49 million words in written English, the 217,360th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce heliopause?
- UK /ˈhiː.li.ə.pɔːz/
- UK /ˈhɛ-/
- US /ˈhi.li.əˌpɔz/
Heliopause has 4 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-heliopause.wav, Wikimedia Commons (author and licence on each file's page).
Forms of heliopause
- heliopauses plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does heliopause mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The boundary of heliosphere where the Sun's solar wind is stopped by the interstellar medium.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Heliopause in Spanish, French, German and Portuguese
In the sense boundary:
| Language | Words |
|---|---|
| French | héliopause |
| German | Heliopause |
| Portuguese | heliopausa |
| Spanish | heliopausa |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does heliopause come from?
From helio- + -pause.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).