airspace
- 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.
- Noun. (aviation) A designated part of the sky for aircraft use.
- Noun. (broadcasting) Space (i.e. a few neighboring frequencies) available for broadcasting within a particular frequency band.
- 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.
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This entry was last updated on RefTopia from its source on 3/20/2012.