How do you pronounce "microorganisms"?

In American English: /ˌmaɪkroʊˈɔrgəˌnɪzəmz/ (meyekr-oh-AWRG-uh-niz-uhmz). In British English: /mˌaɪkɹəʊˈɔːɡənˌɪzəmz/ (m-eyekr-OH-awg-uhn-iz). In Canadian English: /ˌmʌɪkroʊˈɔrgəˌnɪzəmz/ (muh-ikr-oh-AWRG-uh-niz-uhmz). In Australian English: /mˌaɪkɹəʊˈɔːɡənˌɪzəmz/ (m-eyekr-OH-awg-uhn-iz).

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

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

How to Pronounce "microorganisms"

microorganisms

regional

/ˌmaɪkroʊˈɔrgəˌnɪzəmz/

meyekr-oh-AWRG-uh-niz-uhmz

Syllable Breakdown

maɪkrmi·oʊcro·ɔrgor·əgan·nɪzis·əmzms

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14