aeropause

noun

aero·pause ˈar-ō-ˌpȯz, ˈer-

: the level above the earth's surface where the atmosphere becomes too thin to support aircraft and human life

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“Aeropause.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/aeropause. Accessed 23 Mar. 2023.

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