How do you pronounce "heterozygous"?

In American English: /ˌhɛtɝəˈzaɪgəs/ (heht-ur-uh-ZEYEG-uhs). In British English: /hˌɛtɹəzˈɪɡəs/ (h-ehtr-UHZ-ig). In Canadian English: /ˌhɛtɝəˈzaɪgəs/ (heht-ur-uh-ZEYEG-uhs). In Australian English: /hˌɛtɹəzˈɪɡəs/ (h-ehtr-UHZ-ig).

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

Yes. In American English it's pronounced /ˌhɛtɝəˈzaɪgəs/ (heht-ur-uh-ZEYEG-uhs), while in British English it's /hˌɛtɹəzˈɪɡəs/ (h-ehtr-UHZ-ig).

How to Pronounce "heterozygous"

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heterozygous

regional

/ˌhɛtɝəˈzaɪgəs/

heht-ur-uh-ZEYEG-uhs

Syllable Breakdown

hɛthet·ɝer·əozy·zaɪggo·əsus

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14