airspace

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English[edit]

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Alternative forms[edit]

Etymology[edit]

air +‎ space

Noun[edit]

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[edit]

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