How do you pronounce "nuclear"?

In American English: /ˈnuːkliːɝ/ (NOOKL-ee-ur). In British English: /njˈuːklɪə/ (NY-ookl-i). In Canadian English: /ˈnuːkliːɝ/ (NOOKL-ee-ur). In Australian English: /njˈuːkliə/ (NY-ookl-ee).

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

Yes. In American English it's pronounced /ˈnuːkliːɝ/ (NOOKL-ee-ur), while in British English it's /njˈuːklɪə/ (NY-ookl-i).

How to Pronounce "nuclear"

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nuclear

regional

/ˈnuːkliːɝ/

NOOKL-ee-ur

Syllable Breakdown

nuːklnu·iːcle·ɝar

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14