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Airspace

Airspace

WordNet



noun


(1)   The atmosphere above a nation that is deemed to be under its jurisdiction
"The plane was refused permission to enter Chinese airspace"
(2)   The space in the atmosphere immediately above the earth
Wiktonary



Noun



  1. A specified portion of the atmosphere, especially that under the technical aviation control and/or jurisdiction of a particular state over which territory (and territorial waters) it lies.
    Various European countries transferred the aviation control of their adjoining airspace to Eurocontrol, while each retaining legal jurisdiction
  2. A designated part of the sky for aircraft use.
  3. Space (i.e. a few neighboring frequencies) available for broadcasting within a particular frequency band.
    The legalisation of free radios caused a bitter fight for airspace