How do you pronounce "osmium"?

In American English: /ˈɑːzmiːəm/ (AHZM-ee-uhm). In British English: /ˈɒzmiəm/ (OZM-ee-uhm). In Canadian English: /ˈɑːzmiːəm/ (AHZM-ee-uhm). In Australian English: /ˈɒzmiəm/ (OZM-ee-uhm).

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

Yes. In American English it's pronounced /ˈɑːzmiːəm/ (AHZM-ee-uhm), while in British English it's /ˈɒzmiəm/ (OZM-ee-uhm).

How to Pronounce "osmium"

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osmium

regional

/ˈɑːzmiːəm/

AHZM-ee-uhm

Syllable Breakdown

ɑːzmos·iːmi·əmum

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14