How do you pronounce "thermoplastic"?

In American English: /ˌθɝːməˈplæstɪk/ (thurm-uh-PLAST-ik). In British English: /θˌɜːməplˈastɪk/ (th-ɜm-UHPL). In Canadian English: /ˌθɝːməˈplæstɪk/ (thurm-uh-PLAST-ik). In Australian English: /θˌɜːməplˈastɪk/ (th-ɜm-UHPL).

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

Yes. In American English it's pronounced /ˌθɝːməˈplæstɪk/ (thurm-uh-PLAST-ik), while in British English it's /θˌɜːməplˈastɪk/ (th-ɜm-UHPL).

How to Pronounce "thermoplastic"

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thermoplastic

regional

/ˌθɝːməˈplæstɪk/

thurm-uh-PLAST-ik

Syllable Breakdown

θɝːmther·əmo·plæstplas·ɪktic

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14