airspace

Meanings

Plural: airspaces

Noun

• the space in the atmosphere immediately above the earth
• the atmosphere above a nation that is deemed to be under its jurisdiction
  • "the plane was refused permission to enter Chinese airspace"
• 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.
• that part of the sky designated for the sole use of aircraft.
• Space (i.e. a few neighboring frequencies) available for broadcasting within a particular frequency band.
• The portion of an enclosed area which contains air, especially breathable air.
• The cavity in a cavity wall containing air for insulation.

Synonyms

air space, jurisdictional sky, territorial sky

Related Words

u-space