How do you pronounce "bacterium"?

In American English: /bækˈtɪriːəm/ (bak-TIR-ee-uhm). In British English: /bæktˈɪəɹɪəm/ (bakt-I-uhr-i-uhm). In Canadian English: /bækˈtɪriːəm/ (bak-TIR-ee-uhm). In Australian English: /baktˈiəɹiəm/ (BAKT-ee-uhr-ee).

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

Yes. In American English it's pronounced /bækˈtɪriːəm/ (bak-TIR-ee-uhm), while in British English it's /bæktˈɪəɹɪəm/ (bakt-I-uhr-i-uhm).

How to Pronounce "bacterium"

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bacterium

regional

/bækˈtɪriːəm/

bak-TIR-ee-uhm

Syllable Breakdown

bækbac·tɪrte·iːri·əmum

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14