fibrillation

\fi.bʁi.la.sjɔ̃\

/\fi.bʁi.la.sjɔ̃\/ noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“fibrillation” is uncommon French (frequency #55,965 among 3,276 “F” headwords), classed as a noun. The kind of spelling people second-guess.

#55,965
frequency rank, French
3,276
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Succession de contractions irrégulières, rapides et non coordonnées des fibres musculaires du cœur.

Corpus desk

Index FR-fibrillation · fibrillation · French

fibrillation · rank #55,965 · 0 variants · 0 confusables

  • FREQ-RARE #55,965
  • LEN-MEGA 12 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,276
  • PHOTO-FINISH felton

Nearest frequency peer: felton (-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 « fibrillation »

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 « fibrillation » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for fibrillation
PropertyValue
Headwordfibrillation
LanguageFrench
Part of speechNoun
IPA\fi.bʁi.la.sjɔ̃\
Letters12
Frequency rank#55,965
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « fibrillation » en français

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

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

L'axe est logarithmique: chaque tic marque environ dix fois moins de fréquence. Voisins rares de la même bande: « felton » (#55,964), « Fell » (#55,963), « fido » (#55,967). Parmi 3,276 lemmes en « F », « fibrillation » est au #55,965. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

fibrillation is uncommon French at frequency #55,965 among 3,276 “F” headwords, classed as anoun, transcribed \fi.bʁi.la.sjɔ̃\. Rarity is why readers land here mid-draft. Gloss: "Succession de contractions irrégulières, rapides et non coordonnées des fibres musculaires du cœur.".

No misspelling variants are generated for fibrillation in our index, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

No explicit etymology string is stored for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct French form is fibrillation, spelled F-I-B-R-I-L-L-A-T-I-O-N.

Definition

  1. 1
    Succession de contractions irrégulières, rapides et non coordonnées des fibres musculaires du cœur.

Recorded use

Wiktionary examples

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

  1. Ainsi, il paraît logique d’anticoaguler les patients présentant une cardiopathie à haut risque de récidive embolique : prothèses valvulaires mécaniques, valvulopathies mitrales, infarctus du myocarde récent, cardiomyopathies dilatées, anévrysmes ventriculaires, fibrillation auriculaire non rhumatismale associée à un thrombus intracavitaire.
  2. La fibrillation auriculaire est le trouble du rythme soutenu le plus fréquent, particulièrement chez les sujets âgés ou porteurs de cardiopathie.

This word in other languages

fibrillation(English)fibrilación(Español)

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 "fibrillation"?
"fibrillation" is spelled F-I-B-R-I-L-L-A-T-I-O-N. The IPA pronunciation is \fi.bʁi.la.sjɔ̃\.
What does "fibrillation" mean?
As a noun, "fibrillation" means: Succession de contractions irrégulières, rapides et non coordonnées des fibres musculaires du cœur.
How do you pronounce "fibrillation"?
The IPA (International Phonetic Alphabet) transcription for "fibrillation" is \fi.bʁi.la.sjɔ̃\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "fibrillation" come from?
"fibrillation" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 "fibrillation", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 12 letters (nearest by frequency rank).

exosquelette#55,949excroissance#55,948dérèglements#55,914dépoussiérer#55,913

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

Source: FrequencyWords open word-frequency list