airspace
noun
Forms airspaces air space
- noun (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.”
- noun (aviation) That part of the sky designated for the sole use of aircraft.
- noun (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.”
- noun The portion of an enclosed area which contains air, especially breathable air.
- noun (construction) The cavity in a cavity wall containing air for insulation.
Synonyms
Etymology
From air + space.
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “airspace”, CC BY-SA 4.0. Details