How do you pronounce "stratosphere"?

In American English: /ˈstrætəsˌfɪr/ (STRAT-uhs-fir). In British English: /stɹˈatəsfˌiə/ (STR-at-uhsf). In Canadian English: /ˈstrætəsˌfɪr/ (STRAT-uhs-fir). In Australian English: /stɹˈatəsfˌiə/ (STR-at-uhsf).

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

Yes. In American English it's pronounced /ˈstrætəsˌfɪr/ (STRAT-uhs-fir), while in British English it's /stɹˈatəsfˌiə/ (STR-at-uhsf).

How to Pronounce "stratosphere"

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stratosphere

regional

/ˈstrætəsˌfɪr/

STRAT-uhs-fir

Syllable Breakdown

strætstr·əsato·fɪrsphere

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14