How do you pronounce "protons"?

In American English: /ˈproʊˌtɑːnz/ (PROH-tahnz). In British English: /pɹˈəʊtɒnz/ (PR-oht). In Canadian English: /ˈproʊˌtɑːnz/ (PROH-tahnz). In Australian English: /pɹˈəʊtɒnz/ (PR-oht).

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

Yes. In American English it's pronounced /ˈproʊˌtɑːnz/ (PROH-tahnz), while in British English it's /pɹˈəʊtɒnz/ (PR-oht).

How to Pronounce "protons"

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protons

regional

/ˈproʊˌtɑːnz/

PROH-tahnz

Syllable Breakdown

proʊpro·tɑːnztons

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14