How do you pronounce "diameter"?

In American English: /daɪˈæmətɝ/ (deye-AM-uht-ur). In British English: /daɪˈæmɪtə/ (deye-AM-it-uh). In Canadian English: /daɪˈæmətɝ/ (deye-AM-uht-ur). In Australian English: /daɪˈamɪtə/ (deye-AM-it).

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

Yes. In American English it's pronounced /daɪˈæmətɝ/ (deye-AM-uht-ur), while in British English it's /daɪˈæmɪtə/ (deye-AM-it-uh).

How to Pronounce "diameter"

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diameter

regional

/daɪˈæmətɝ/

deye-AM-uht-ur

Syllable Breakdown

daɪdi·æmam·əte·ɝter

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14