• WordNet 3.6
    • n airspace the atmosphere above a nation that is deemed to be under its jurisdiction "the plane was refused permission to enter Chinese airspace"
    • n airspace the space in the atmosphere immediately above the earth
    • ***
Century Dictionary and Cyclopedia
    • n airspace In ornithology, an air-cell of large size; an air-receptacle or a pneumatocyst (which see).
    • n airspace In medicine and sanitary science, the clear cubic contents of a room, as the ward of a hospital, with reference to the respirable air contained in it: as, air-space per man, so many cubic feet.
    • n airspace In firearms, a vacant space between the powder-charge and the projectile.
    • ***


In literature:

Russian aircraft breach NATO's airspace.
"After the Rain" by Sam Vaknin
He realized that only about a foot of airspace remained at the top.
"Project Cyclops" by Thomas Hoover
If Androv kept that vector, at least there'd be no messy questions about violating foreign airspace.
"Project Daedalus" by Thomas Hoover

In news:

JERUSALEM (AP) — For the first time in at least six years, a hostile aircraft has penetrated Israel's airspace.
Jets shoot down drone that entered Israeli airspace.
A Frontier Airlines airliner entered the restricted airspace near the White House after taking off from Reagan National Airport, the Federal Aviation Administration said Tuesday.
Israeli jets scrambled to intercept a drone that crossed into Israeli airspace Saturday from the Mediterranean Sea, bringing it down without incident in the south of the country.
Israeli military says it shot down a drone that entered Israeli airspace in the south.
Turkey ordered a Syria-bound Armenian plane to land and searched its cargo on Thursday, airport officials said, in the second such action in a month to prevent the use of Turkish airspace to supply the Syrian military.
Turkey ordered an Armenian plane flying to the Syrian city of Aleppo to land and searched its cargo on Monday, in the latest move to prevent its airspace being used to supply the Syrian military.
The plane crossed stealthily into Belarussian airspace and headed for the capital, Minsk.
During a stint in the Army in the '50s, he fired high-caliber warning shots at Russian airplanes wandering into North Pole airspace.
Iran's state TV says the country's Revolutionary Guard has captured a US drone after it entered the Iranian airspace over the Persian Gulf.
Promotes Safe and Responsible Use as Integration into Airspace Proceeds.
Authorities say two F-16 fighter jets intercepted a small plane that violated airspace restricted for President Barack Obama's visit to the Tampa Bay area.
Grey Eagles and 747s to share national airspace soon.
Just when the rhetorical war between Israel and Iran was waning, a wasp-like drone entered Israeli airspace.
The American effort to stem the flow of Iranian arms to Syria has faltered because of Iraq's reluctance to inspect aircraft carrying the weapons through its airspace, American officials say.

In science:

Petersburg State University of Airspace Instrumentation in 1994.
A simple algorithm for decoding Reed-Solomon codes and its relation to the Welch-Berlekamp algorithm
Location of more than one source at the same time on the test specimen is a new approach in acoustic emission testing, and is a very promising method for aircraft and airspace structural testing.
Intelligent location of simultaneously active acoustic emission sources: Part I
Tra jectory clustering and an application to airspace monitoring.
A Near-Term Quantum Computing Approach for Hard Computational Problems in Space Exploration