mésosphère

\me.zɔ.sfɛʁ\

/\me.zɔ.sfɛʁ\/ noun

The verdict

“mésosphère” is uncommon French (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency French
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Couche de l’atmosphère terrestre juste au-dessus de la stratosphère, séparée de cette dernière par la stratopause.

Corpus desk

Index FR-mesosphere · mésosphère · French

mésosphère · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "M" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for mésosphère
PropertyValue
Headwordmésosphère
LanguageFrench
Part of speechNoun
IPA\me.zɔ.sfɛʁ\
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « mésosphère » en français

mésosphèrereste hors des 100.000 mots français les plus fréquents, dans la longue queue du vocabulaire technique, archaïque ou rare, là où le doute d'orthographe frappe.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

mésosphère is uncommon French outside the top frequency list, classed as anoun, transcribed \me.zɔ.sfɛʁ\. Rarity is why readers land here mid-draft. 2 senses are on record.

Our edit-distance generator produced no likely misspellings for mésosphère, since its letter pattern doesn't lend itself to common typo substitutions. No confusable counterpart is on file for this word, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

This entry's etymology isn't recorded, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct French form is mésosphère, spelled M-É-S-O-S-P-H-È-R-E.

Definition

  1. 1
    Couche de l’atmosphère terrestre juste au-dessus de la stratosphère, séparée de cette dernière par la stratopause.
  2. 2
    Couche du manteau terrestre, située entre l'asthénosphère et le noyau.

Recorded use

Wiktionary example

These source excerpts show how mésosphère appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. C’est dans la mésosphère que les corps étrangers (météorites, vaisseaux spatiaux...) entrant dans l’atmosphère commencent à s’échauffer par frottement des molécules d’air.

Synonyms

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "mésosphère"?
"mésosphère" is spelled M-É-S-O-S-P-H-È-R-E. The IPA pronunciation is \me.zɔ.sfɛʁ\.
What does "mésosphère" mean?
As a noun, "mésosphère" means: Couche de l’atmosphère terrestre juste au-dessus de la stratosphère, séparée de cette dernière par la stratopause.
How do you pronounce "mésosphère"?
The IPA (International Phonetic Alphabet) transcription for "mésosphère" is \me.zɔ.sfɛʁ\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "mésosphère" come from?
"mésosphère" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list