How do you pronounce "acceleration"?

In American English: /ˌækˌsɛlɝˈeɪʃən/ (ak-sehl-ur-AYSH-uhn). In British English: /æksˌɛləɹˈeɪʃən/ (aks-ehl-uhr-AYSH-uhn). In Canadian English: /ˌækˌsɛlɝˈeɪʃən/ (ak-sehl-ur-AYSH-uhn). In Australian English: /ɐksˌɛləɹˈeɪʃən/ (ɐks-ehl-UHR-aysh).

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

Yes. In American English it's pronounced /ˌækˌsɛlɝˈeɪʃən/ (ak-sehl-ur-AYSH-uhn), while in British English it's /æksˌɛləɹˈeɪʃən/ (aks-ehl-uhr-AYSH-uhn).

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acceleration

regional

/ˌækˌsɛlɝˈeɪʃən/

ak-sehl-ur-AYSH-uhn

Syllable Breakdown

ækac·sɛlcel·ɝer·eɪʃa·əntion

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-12