conjecture de Fermat

\kɔ̃.ʒɛk.tyʁ də fɛʁ.ma\

/\kɔ̃.ʒɛk.tyʁ də fɛʁ.ma\/ noun

The verdict

“conjecture de Fermat” is outside the top-ranked French vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency French
20
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Conjecture énoncée par Pierre de Fermat selon laquelle il est impossible de trouver trois nombres entiers non nuls x, y et z tels que xⁿ+yⁿ=zⁿ, dès que n est un entier strictement supérieur à 2.

Key facts for conjecture de Fermat
PropertyValue
Headwordconjecture de Fermat
LanguageFrench
Part of speechNoun
IPA\kɔ̃.ʒɛk.tyʁ də fɛʁ.ma\
Letters20
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “conjecture de Fermat” sits in French frequency

conjecture de Fermat falls outside the top-100,000 ranked French words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Spelling & Dictionary Insight

The French entry for conjecture de Fermat is 20 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \kɔ̃.ʒɛk.tyʁ də fɛʁ.ma\. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Conjecture énoncée par Pierre de Fermat selon laquelle il est impossible de trouver trois nombres entiers non nuls x, y et z tels que xⁿ+yⁿ=zⁿ, dès que n est un entier strictement supérieur à 2.".

No misspelling variants are generated for conjecture de Fermat in our index, suggesting the orthography follows predictable French patterns. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

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. For readers arriving here from a spelling check, the authoritative guidance is: the correct French form is conjecture de Fermat, spelled C-O-N-J-E-C-T-U-R-E- -D-E- -F-E-R-M-A-T, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    Conjecture énoncée par Pierre de Fermat selon laquelle il est impossible de trouver trois nombres entiers non nuls x, y et z tels que xⁿ+yⁿ=zⁿ, dès que n est un entier strictement supérieur à 2.

Synonyms

dernier théorème de Fermatgrand théorème de Fermatthéorème de Fermatthéorème de Fermat-Wiles

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.

Cite this page

Free to reuse with attribution (CC BY-SA). Copy the citation:

PlainSpell, “conjecture de Fermat, French word data” (May 6, 2026). Derived from Wiktionary (kaikki.org, CC BY-SA) and an open word-frequency list. https://plainspell.com/fr/mot/conjecture-de-fermat

Frequently Asked Questions

How do you spell "conjecture de Fermat"?
"conjecture de Fermat" is spelled C-O-N-J-E-C-T-U-R-E- -D-E- -F-E-R-M-A-T. The IPA pronunciation is \kɔ̃.ʒɛk.tyʁ də fɛʁ.ma\.
What does "conjecture de Fermat" mean?
As a noun, "conjecture de Fermat" means: Conjecture énoncée par Pierre de Fermat selon laquelle il est impossible de trouver trois nombres entiers non nuls x, y et z tels que xⁿ+yⁿ=zⁿ, dès que n est un entier strictement supérieur à 2.
How do you pronounce "conjecture de Fermat"?
The IPA (International Phonetic Alphabet) transcription for "conjecture de Fermat" is \kɔ̃.ʒɛk.tyʁ də fɛʁ.ma\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "conjecture de Fermat" come from?
"conjecture de Fermat" 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.

Using “conjecture de Fermat”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is C-O-N-J-E-C-T-U-R-E- -D-E- -F-E-R-M-A-T - every other letter order is a misspelling in standard orthography.
  • Say it as \kɔ̃.ʒɛk.tyʁ də fɛʁ.ma\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more French words and confusable pairs in the same reference. French words

Nearby French words

Other entries that begin with the letter C in our French index:

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Data Source: Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list