non-euclidien

\nɔ.nø.kli.djɛ̃\

/\nɔ.nø.kli.djɛ̃\/ adj

The verdict

“non-euclidien” is uncommon French (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency French
13
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Se dit des branches de la géométrie qui invalident le cinquième postulat d’Euclide selon lequel, par un point extérieur à une droite, il passe toujours une parallèle à cette droite, et une seule.

Key facts for non-euclidien
PropertyValue
Headwordnon-euclidien
LanguageFrench
Part of speechAdjective
IPA\nɔ.nø.kli.djɛ̃\
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “non-euclidien” sits in French frequency

non-euclidien 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.

Rare enough to double-check

non-euclidien is uncommon French outside the top frequency list, classed as anadjective, transcribed \nɔ.nø.kli.djɛ̃\. Rarity is why readers land here mid-draft. Gloss: "Se dit des branches de la géométrie qui invalident le cinquième postulat d’Euclide selon lequel, par un point extérieur à une droite, il passe toujours une parallèle à cette droite, et une seule.".

No misspelling variants are generated for non-euclidien in our index, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

This entry carries no recorded etymology, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is non-euclidien, spelled N-O-N---E-U-C-L-I-D-I-E-N.

Definition

  1. 1
    Se dit des branches de la géométrie qui invalident le cinquième postulat d’Euclide selon lequel, par un point extérieur à une droite, il passe toujours une parallèle à cette droite, et une seule.

Antonyms

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 "non-euclidien"?
"non-euclidien" is spelled N-O-N---E-U-C-L-I-D-I-E-N. The IPA pronunciation is \nɔ.nø.kli.djɛ̃\.
What does "non-euclidien" mean?
As an adjective, "non-euclidien" means: Se dit des branches de la géométrie qui invalident le cinquième postulat d’Euclide selon lequel, par un point extérieur à une droite, il passe toujours une parallèle à cette droite, et une seule.
How do you pronounce "non-euclidien"?
The IPA (International Phonetic Alphabet) transcription for "non-euclidien" is \nɔ.nø.kli.djɛ̃\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "non-euclidien" come from?
"non-euclidien" 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 “non-euclidien”

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

  • The one correct French spelling is N-O-N---E-U-C-L-I-D-I-E-N - every other letter order is a misspelling in standard orthography.
  • Say it as \nɔ.nø.kli.djɛ̃\ (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
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