écrou papillon

\e.kʁu pa.pi.jɔ̃\

/\e.kʁu pa.pi.jɔ̃\/ noun

The verdict

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

Unranked
below top-frequency French
14
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Écrou muni de deux surfaces plates permettant un serrage manuel.

Corpus desk

Index FR-ecrou-papillon · écrou papillon · French

écrou papillon · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 14 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "É" 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 écrou papillon
PropertyValue
Headwordécrou papillon
LanguageFrench
Part of speechNoun
IPA\e.kʁu pa.pi.jɔ̃\
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « écrou papillon » en français

écrou papillonreste 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

écrou papillon is uncommon French outside the top frequency list, classed as anoun, transcribed \e.kʁu pa.pi.jɔ̃\. Rarity is why readers land here mid-draft. Gloss: "Écrou muni de deux surfaces plates permettant un serrage manuel.".

Zero misspellings are on record for écrou papillon in our index, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This entry carries no recorded etymology, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct French form is écrou papillon, spelled É-C-R-O-U- -P-A-P-I-L-L-O-N.

Definition

  1. 1
    Écrou muni de deux surfaces plates permettant un serrage manuel.

Recorded use

Wiktionary example

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

  1. Pour les papillons ordinaires, le ressort de la rondelle CD, porte une petite languette en saillie A qu’il suffit de relever pour le desserrage de l’écrou en liberté de rotation à l’écrou papillon.

Synonyms

écrou à ailettesécrou à oreilles

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 "écrou papillon"?
"écrou papillon" is spelled É-C-R-O-U- -P-A-P-I-L-L-O-N. The IPA pronunciation is \e.kʁu pa.pi.jɔ̃\.
What does "écrou papillon" mean?
As a noun, "écrou papillon" means: Écrou muni de deux surfaces plates permettant un serrage manuel.
How do you pronounce "écrou papillon"?
The IPA (International Phonetic Alphabet) transcription for "écrou papillon" is \e.kʁu pa.pi.jɔ̃\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "écrou papillon" come from?
"écrou papillon" 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