plan cartésien
\plɑ̃ kaʁ.te.zjɛ̃\
The verdict
“plan cartésien” 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
- 14
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Système de repérage planaire formé de deux droites numériques perpendiculaires. Dans ce système, la droite numérique horizontale est appelée « axe des x » ou « axe des abscisses » et la droite numé...
| Property | Value |
|---|---|
| Headword | plan cartésien |
| Language | French |
| Part of speech | Noun |
| IPA | \plɑ̃ kaʁ.te.zjɛ̃\ |
| Letters | 14 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “plan cartésien” sits in French frequency
Spelling & Dictionary Insight
The French entry for plan cartésien is 14 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \plɑ̃ kaʁ.te.zjɛ̃\. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
No misspelling variants are generated for plan cartésien 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 plan cartésien, spelled P-L-A-N- -C-A-R-T-É-S-I-E-N, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.
Definition
- 1Système de repérage planaire formé de deux droites numériques perpendiculaires. Dans ce système, la droite numérique horizontale est appelée « axe des x » ou « axe des abscisses » et la droite numérique verticale est appelée « axe des y » ou « axe des ordonnées ». Chaque point du plan est représenté de manière unique par un couple de nombres (x, y) appelé « coordonnées ». Peu importe l'axe, deux graduations immédiatement voisines sont régulièrement espacées. Si le plan est quadrillé, les carreaux ainsi formés sont tous carrés.
- 2Plan avec coordonnées doté d'un système de coordonnées cartésiennes.
- 3Plan physique ou plan géométrique muni d'un repère cartésien orthonormé.
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.
Cite this page
Free to reuse with attribution (CC BY-SA). Copy the citation:
PlainSpell, “plan cartésien, 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/plan-cartesien
Frequently Asked Questions
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Using “plan cartésien”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is P-L-A-N- -C-A-R-T-É-S-I-E-N - every other letter order is a misspelling in standard orthography.
- Say it as \plɑ̃ kaʁ.te.zjɛ̃\ (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 P in our French index: