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polystyrène

French, noun\pɔ.lis.ti.ʁɛn\

polystyrène is spelled P-O-L-Y-S-T-Y-R-È-N-E (11 letters) and appears about once in every 2 million words in written French, the 44,936th most frequent French word form (wordfreq, 2021 data). Polystyrène is a French masculine noun meaning “polystyrene” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Thermoplastique obtenu par la polymérisation des monomères de styrène”.

What does polystyrène mean in English?

noun

  1. 1

    masculinepolystyrene

  2. 2

    masculinestyrofoam

Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).

How French dictionaries define it

noun: 1. Thermoplastique obtenu par la polymérisation des monomères de styrène. 2. Polystyrène expansé, mousse blanche et compacte, constituée de ce thermoplastique, utilisée le plus souvent comme isolant thermique et comme emballage.

The definition in the French Wiktionary (Wiktionnaire), in French.

Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.

Forms of polystyrène

  • polystyrènes plural

Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).

How do you pronounce polystyrène?

  • \pɔ.lis.ti.ʁɛn\

Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.

English words that translate to polystyrène

Source: the translation tables of the English Wiktionary, dump of September 2, 2026.

How common is polystyrène in French?

polystyrène appears about once in every 2 million words in written French.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

What to look up after polystyrène