How do you pronounce "sinusoidal"?

In American English: /ˈsaɪnəˌsɔɪdəl/ (SEYEN-uh-soyd-uhl). In British English: /sˈɪnjuːsˌɔɪdəl/ (S-iny-oos-oyd). In Canadian English: /ˈsaɪnəˌsɔɪdəl/ (SEYEN-uh-soyd-uhl). In Australian English: /sˈɪnjuːsˌɔɪdəl/ (S-iny-oos-oyd).

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

Yes. In American English it's pronounced /ˈsaɪnəˌsɔɪdəl/ (SEYEN-uh-soyd-uhl), while in British English it's /sˈɪnjuːsˌɔɪdəl/ (S-iny-oos-oyd).

How to Pronounce "sinusoidal"

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sinusoidal

regional

/ˈsaɪnəˌsɔɪdəl/

SEYEN-uh-soyd-uhl

Syllable Breakdown

saɪnsi·ənu·sɔɪdsoi·əldal

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14