théorie des ensembles

\te.ɔ.ʁi dɛ.z‿ɑ̃.sɑ̃bl\

/\te.ɔ.ʁi dɛ.z‿ɑ̃.sɑ̃bl\/ noun

The verdict

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

Unranked
below top-frequency French
21
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Branche des mathématiques se donnant comme primitives les notions d’ensemble et d’appartenance.

Corpus desk

Index FR-theorie-des-ensembles · théorie des ensembles · French

théorie des ensembles · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 21 letters
  • VOW-8 8 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "T" 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 théorie des ensembles
PropertyValue
Headwordthéorie des ensembles
LanguageFrench
Part of speechNoun
IPA\te.ɔ.ʁi dɛ.z‿ɑ̃.sɑ̃bl\
Letters21
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « théorie des ensembles » en français

théorie des ensemblessiège au-delà des 100.000 formes les plus fréquentes du français, dans la traîne du lexique spécialisé ou peu usité.

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

Rare enough to double-check

théorie des ensembles is uncommon French outside the top frequency list, classed as anoun, transcribed \te.ɔ.ʁi dɛ.z‿ɑ̃.sɑ̃bl\. Rarity is why readers land here mid-draft. Gloss: "Branche des mathématiques se donnant comme primitives les notions d’ensemble et d’appartenance.".

The misspelling generator found no plausible variants for théorie des ensembles, 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 borrowing history is documented for this entry, 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 théorie des ensembles, spelled T-H-É-O-R-I-E- -D-E-S- -E-N-S-E-M-B-L-E-S.

Definition

  1. 1
    Branche des mathématiques se donnant comme primitives les notions d’ensemble et d’appartenance.

Recorded use

Wiktionary example

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

  1. La théorie des ensembles peut être définie via la théorie des catégories.

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 "théorie des ensembles"?
"théorie des ensembles" is spelled T-H-É-O-R-I-E- -D-E-S- -E-N-S-E-M-B-L-E-S. The IPA pronunciation is \te.ɔ.ʁi dɛ.z‿ɑ̃.sɑ̃bl\.
What does "théorie des ensembles" mean?
As a noun, "théorie des ensembles" means: Branche des mathématiques se donnant comme primitives les notions d’ensemble et d’appartenance.
How do you pronounce "théorie des ensembles"?
The IPA (International Phonetic Alphabet) transcription for "théorie des ensembles" is \te.ɔ.ʁi dɛ.z‿ɑ̃.sɑ̃bl\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "théorie des ensembles" come from?
"théorie des ensembles" 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