How do you pronounce "microorganism"?

In American English: /ˌmaɪkroʊˈɔrgəˌnɪzəm/ (meyekr-oh-AWRG-uh-niz-uhm). In British English: /mˌaɪkɹəʊˈɔːɡənˌɪzəm/ (m-eyekr-OH-awg-uhn-iz). In Canadian English: /ˌmʌɪkroʊˈɔrgəˌnɪzəm/ (muh-ikr-oh-AWRG-uh-niz-uhm). In Australian English: /mˌaɪkɹəʊˈɔːɡənˌɪzəm/ (m-eyekr-OH-awg-uhn-iz).

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

Yes. In American English it's pronounced /ˌmaɪkroʊˈɔrgəˌnɪzəm/ (meyekr-oh-AWRG-uh-niz-uhm), while in British English it's /mˌaɪkɹəʊˈɔːɡənˌɪzəm/ (m-eyekr-OH-awg-uhn-iz).

How to Pronounce "microorganism"

microorganism

regional

/ˌmaɪkroʊˈɔrgəˌnɪzəm/

meyekr-oh-AWRG-uh-niz-uhm

Syllable Breakdown

maɪkrmi·oʊc·ɔrgro·əor·nɪzgan·əmism

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14