How do you pronounce "polyethylene"?

In American English: /ˌpɑːˌliːˈɛθəˌliːn/ (pah-lee-EHTH-uh-leen). In British English: /pˌɒlɪˈɛθɪlˌiːn/ (p-ol-I-ehth-il). In Canadian English: /ˌpɑːˌliːˈɛθəˌliːn/ (pah-lee-EHTH-uh-leen). In Australian English: /pˌɒlɪˈɛθɪlˌiːn/ (p-ol-I-ehth-il).

Is "polyethylene" pronounced differently in American and British English?

Yes. In American English it's pronounced /ˌpɑːˌliːˈɛθəˌliːn/ (pah-lee-EHTH-uh-leen), while in British English it's /pˌɒlɪˈɛθɪlˌiːn/ (p-ol-I-ehth-il).

How to Pronounce "polyethylene"

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polyethylene

regional

/ˌpɑːˌliːˈɛθəˌliːn/

pah-lee-EHTH-uh-leen

Syllable Breakdown

pɑːpo·liːly·ɛθeth·əyl·liːnene

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14