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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.

Last week the Air Force School of Aviation Medicine held a symposium at San Antonio on the dan gers that will crowd around explorers of the aeropause.*

From Time Magazine Archive

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

From Time Magazine Archive

At the speed necessary for aeropause flight, the craft will be enclosed in a film of hot air at 1,000� C. For flights of mod erate speed and duration, refrigerating units like those used on present-day jet fighters may be enough to counteract such temperatures.

From Time Magazine Archive

Another aeropause problem is air.

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