polystyrène expansé
\pɔ.lis.ti.ʁɛ.n‿ɛks.pɑ̃.se\
The verdict
“polystyrène expansé” is uncommon French (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency French
- 19
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Mousse blanche et compacte, constituée de polystyrène, utilisée le plus souvent comme isolant thermique et comme emballage.
Corpus desk
Index FR-polystyrene-expanse · polystyrène expansé · French
polystyrène expansé · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 19 letters
- VOW-8 8 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "P" 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.
| Property | Value |
|---|---|
| Headword | polystyrène expansé |
| Language | French |
| Part of speech | Noun |
| IPA | \pɔ.lis.ti.ʁɛ.n‿ɛks.pɑ̃.se\ |
| Letters | 19 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Longue queue: rang de « polystyrène expansé » en français
Rare enough to double-check
polystyrène expansé is uncommon French outside the top frequency list, classed as anoun, transcribed \pɔ.lis.ti.ʁɛ.n‿ɛks.pɑ̃.se\. Rarity is why readers land here mid-draft. Gloss: "Mousse blanche et compacte, constituée de polystyrène, utilisée le plus souvent comme isolant thermique et comme emballage.".
polystyrène expansé doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.
This headword's origin isn't recorded in our source data, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct French form is polystyrène expansé, spelled P-O-L-Y-S-T-Y-R-È-N-E- -E-X-P-A-N-S-É.
Definition
- 1Mousse blanche et compacte, constituée de polystyrène, utilisée le plus souvent comme isolant thermique et comme emballage.
Recorded use
Wiktionary examplesThese source excerpts show how polystyrène expansé appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Le polystyrène expansé est obtenu à partir de polystyrène cristal auquel on a ajouté, en cours de polymérisation, un agent d’expansion (souvent vapeur d’eau puis pentane).
Une étude fut commanditée pour évaluer le meilleur moyen de protéger la Pietà, et une société américaine, Koopers, fournit le prototype d’un matériau appelé polystyrène expansé.
Synonyms
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.