épaississement

\e.pe.sis.mɑ̃\

/\e.pe.sis.mɑ̃\/ noun

The verdict

“épaississement” is uncommon French (frequency #59,741 among 1,805 “É” headwords), classed as a noun. The kind of spelling people second-guess.

#59,741
frequency rank, French
1,805
“É” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Action d’épaissir, de s’épaissir ; ou état de ce qui est épaissi.

Corpus desk

Index FR-epaississement · épaississement · French

épaississement · rank #59,741 · 0 variants · 0 confusables

  • FREQ-RARE #59,741
  • LEN-MEGA 14 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,805
  • PHOTO-FINISH énormités

Nearest frequency peer: énormités (-1 rank slots)

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.

Rangs de longue queue près de « épaississement »

Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court

corpus weight

What this shows Vue de longue queue: où « épaississement » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for épaississement
PropertyValue
Headwordépaississement
LanguageFrench
Part of speechNoun
IPA\e.pe.sis.mɑ̃\
Letters14
Frequency rank#59,741
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « épaississement » en français

Cette échelle va du noyau du français courant (gauche) jusqu'à la traîne des formes rares (droite).épaississementtombe dans cette queue de rareté:

#1#100#1K#10K#100K
← used constantlyrarely used →

Les tics avancent en logarithme; chacun est de l'ordre de dix fois plus rare. Voisins rares de la même bande: « énormités » (#59,740), « éprend » (#59,742), « étoffée » (#59,743). Parmi 1,805 lemmes en « É », « épaississement » est au #59,741. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

épaississement is uncommon French at frequency #59,741 among 1,805 “É” headwords, classed as anoun, transcribed \e.pe.sis.mɑ̃\. Rarity is why readers land here mid-draft. Gloss: "Action d’épaissir, de s’épaissir ; ou état de ce qui est épaissi.".

No generated misspelling entries exist for épaississement in our index, a straightforward case of a spelling with little room for common typos. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

This headword's origin isn't recorded in our source data, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is épaississement, spelled É-P-A-I-S-S-I-S-S-E-M-E-N-T.

Definition

  1. 1
    Action d’épaissir, de s’épaissir ; ou état de ce qui est épaissi.

Recorded use

Wiktionary examples

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

  1. L’épaississement de la taille.
  2. L’épaississement des liqueurs.

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "épaississement"?
"épaississement" is spelled É-P-A-I-S-S-I-S-S-E-M-E-N-T. The IPA pronunciation is \e.pe.sis.mɑ̃\.
What does "épaississement" mean?
As a noun, "épaississement" means: Action d’épaissir, de s’épaissir ; ou état de ce qui est épaissi.
How do you pronounce "épaississement"?
The IPA (International Phonetic Alphabet) transcription for "épaississement" is \e.pe.sis.mɑ̃\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "épaississement" come from?
"épaississement" is a French word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

Similar French words by spelling shape

Same letter count and similar misspelling depth for "épaississement", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 14 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list