air space
Americannoun
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a space occupied by air.
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the amount of breathing air in a room or other enclosed space.
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the region of the atmosphere above a municipality, state, or nation, over which it has jurisdiction.
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the region of the atmosphere above a plot of ground, to which the owner has rights or access.
Etymology
Origin of air space
First recorded in 1900–05
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.
A spokesperson explained that the plane was not required to be in communication due to the type of air space it was flying in.
From BBC • Jun. 14, 2026
He said the projectile had been identified as a potential threat even before it entered Estonia's air space.
From BBC • May 19, 2026
—In Asia, airline stocks suffered steep losses in Asia as various carriers announced flight suspensions due to air space closures.
From The Wall Street Journal • Mar. 2, 2026
Guinea-Bissau's air space, as well as land and sea borders, will be closed all day Sunday.
From Barron's • Nov. 23, 2025
Now they would see what Ebola could do naturally in a population of monkeys living in a confined air space, in a kind of city, as it were.
From "The Hot Zone" by Richard Preston
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
