How do you pronounce "ultrasonic"?

In American English: /ˌəltrəˈsɑːnɪk/ (uhltr-uh-SAHN-ik). In British English: /ˌʊltɹɐsˈɒnɪk/ (uultr-ⱯS-on). In Canadian English: /ˌəltrəˈsɑːnɪk/ (uhltr-uh-SAHN-ik). In Australian English: /ˌʊltɹɐsˈɒnɪk/ (uultr-ⱯS-on).

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

Yes. In American English it's pronounced /ˌəltrəˈsɑːnɪk/ (uhltr-uh-SAHN-ik), while in British English it's /ˌʊltɹɐsˈɒnɪk/ (uultr-ⱯS-on).

How to Pronounce "ultrasonic"

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ultrasonic

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/ˌəltrəˈsɑːnɪk/

uhltr-uh-SAHN-ik

Syllable Breakdown

əltrul·ətra·sɑːnson·ɪkic

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14