How do you pronounce "atomic"?

In American English: /əˈtɑːmɪk/ (uh-TAHM-ik). In British English: /ətˈɒmɪk/ (uht-OM-ik). In Canadian English: /əˈtɑːmɪk/ (uh-TAHM-ik). In Australian English: /ɐtˈɒmɪk/ (ⱯT-om).

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

Yes. In American English it's pronounced /əˈtɑːmɪk/ (uh-TAHM-ik), while in British English it's /ətˈɒmɪk/ (uht-OM-ik).

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atomic

regional

/əˈtɑːmɪk/

uh-TAHM-ik

Syllable Breakdown

əat·tɑːmom·ɪkic

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-12