How do you pronounce "summation"?

In American English: /səˈmeɪʃən/ (suh-MAYSH-uhn). In British English: /sʌmˈeɪʃən/ (suhm-AYSH-uhn). In Canadian English: /səˈmeɪʃən/ (suh-MAYSH-uhn). In Australian English: /sʌmˈeɪʃən/ (suhm-AYSH-uhn).

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

Yes. In American English it's pronounced /səˈmeɪʃən/ (suh-MAYSH-uhn), while in British English it's /sʌmˈeɪʃən/ (suhm-AYSH-uhn).

How to Pronounce "summation"

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summation

regional

/səˈmeɪʃən/

suh-MAYSH-uhn

Syllable Breakdown

səsum·meɪʃma·əntion

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14