How do you pronounce "astronomy"?

In American English: /əˈstrɑːnəmi/ (uh-STRAHN-uhm-ee). In British English: /əstɹˈɒnəmi/ (uhstr-ON-uhm-ee). In Canadian English: /əˈstrɑːnəmi/ (uh-STRAHN-uhm-ee). In Australian English: /ɐstɹˈɒnəmi/ (ⱯSTR-on-uhm).

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

Yes. In American English it's pronounced /əˈstrɑːnəmi/ (uh-STRAHN-uhm-ee), while in British English it's /əstɹˈɒnəmi/ (uhstr-ON-uhm-ee).

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astronomy

regionalScience

/əˈstrɑːnəmi/

uh-STRAHN-uhm-ee

Syllable Breakdown

əas·strɑːntron·əmo·imy

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-12