air space

American  

Also airspace

noun

1. a space occupied by air.

2. the amount of breathing air in a room or other enclosed space.

3. the region of the atmosphere above a municipality, state, or nation, over which it has jurisdiction.

4. 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

See Examples For:

air space

Ukraine's air space has been closed since Russia launched its invasion.

From Barron's ● Sep. 14, 2026

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

The Samuel Oschin Air & Space Center will be split into three galleries — air, space and shuttle — containing aerospace artifacts and hands-on exhibits demonstrating scientific principles.

From Los Angeles Times ● Apr. 13, 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

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

Random Word

Spin the wheel and learn a new word!

---