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mesosphere

/ˈmɛzoʊsfɪɚ/noun

mesosphere is spelled M-E-S-O-S-P-H-E-R-E: 10 letters. It appears about once in every 17 million words in written English, the 122,704th most frequent word form (wordfreq, 2021 data). As a noun, mesosphere means “The layer of the Earth's atmosphere that is directly above the stratosphere and directly below the thermosphere” (English Wiktionary, September 2026). The plural of mesosphere is mesospheres.

How many letters and syllables are in mesosphere?

Letters10: M-E-S-O-S-P-H-E-R-E
In writingabout once in every 17 million words; the 122,704th most frequent word form
Wrong spellings searchednone 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 mesosphere?

Mesosphere appears about once in every 17 million words in written English, the 122,704th 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 mesosphere?

  • UK /ˈmɛsəʊsfɪə/
  • UK /ˈmiː-/
  • US /ˈmɛzoʊsfɪɚ/

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Rho9998-mesosphere.wav, LL-Q1860_(eng)-Wodencafe-mesosphere.wav, Wikimedia Commons (author and licence on each file's page).

Forms of mesosphere

  • mesospheres plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does mesosphere mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    The layer of the Earth's atmosphere that is directly above the stratosphere and directly below the thermosphere.

  2. 2

    The lower mantle, a layer inside the Earth.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Mesosphere in Spanish, French, German and Portuguese

In the sense layer of the Earth's atmosphere:

LanguageWords
Frenchmésosphère
GermanMesosphäre
Portuguesemesosfera
Spanishmesosfera

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 mesosphere come from?

From meso- + -sphere.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after mesosphere