• Airspace

    Alternative forms

    Origin

    air + space

    Full definition of airspace

    Noun

    airspace

    (countable and uncountable; plural airspaces)
    1. (politics, aviation) 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. (aviation) A designated part of the sky for aircraft use.
    3. (broadcasting) 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.
    4. The portion of an enclosed area which contains air, especially breathable air.
    5. (construction) The cavity in a cavity wall containing air for insulation.

    Derived terms

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