How do you pronounce "decomposition"?

In American English: /ˌdiːkəmpoʊˈzɪʃən/ (deek-uhmp-oh-ZISH-uhn). In British English: /dˌiːkɒmpəzˈɪʃən/ (d-eek-omp-UHZ-ish). In Canadian English: /ˌdiːkəmpoʊˈzɪʃən/ (deek-uhmp-oh-ZISH-uhn). In Australian English: /dˌiːkɒmpəzˈɪʃən/ (d-eek-omp-UHZ-ish).

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

Yes. In American English it's pronounced /ˌdiːkəmpoʊˈzɪʃən/ (deek-uhmp-oh-ZISH-uhn), while in British English it's /dˌiːkɒmpəzˈɪʃən/ (d-eek-omp-UHZ-ish).

How to Pronounce "decomposition"

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decomposition

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/ˌdiːkəmpoʊˈzɪʃən/

deek-uhmp-oh-ZISH-uhn

Syllable Breakdown

diːkde·əmpcom·oʊpo·zɪʃsi·əntion

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14