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aeropause

American  
[air-uh-pawz] / ˈɛər əˌpɔz /

noun

Aeronautics.
  1. the indefinite boundary in the upper atmosphere beyond which the air is too thin for conventional aircraft to operate.


aeropause British  
/ ˈɛərəˌpɔːz /

noun

  1. the region of the upper atmosphere above which aircraft cannot fly

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of aeropause

First recorded in 1950–55; aero- + pause

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But when man tries to carry his environment with him into the aeropause, he finds problems at each level.

From Time Magazine Archive

Crewmen must have the kind of air they are accustomed to, and such air is hard to find in the aeropause.

From Time Magazine Archive