How do you pronounce "vacuum"?

In American English: /ˈvækjuːm/ (VAKY-oom). In British English: /vˈækjuːm/ (V-aky). In Canadian English: /ˈvækjuːm/ (VAKY-oom). In Australian English: /vˈakjuːm/ (V).

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

Yes. In American English it's pronounced /ˈvækjuːm/ (VAKY-oom), while in British English it's /vˈækjuːm/ (V-aky).

How to Pronounce "vacuum"

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vacuum

/ˈvækjuːm/

VAKY-oom

Syllable Breakdown

vækjvac·uːmuum

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14