# airspace

> English word · Noun · frequency rank #20,027

## Definitions
1. 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.
2. that part of the sky designated for the sole use of aircraft.
3. Space (i.e. a few neighboring frequencies) available for broadcasting within a particular frequency band.
4. The portion of an enclosed area which contains air, especially breathable air.
5. The cavity in a cavity wall containing air for insulation.

## Etymology
From air + space.

## Easily confused with
- **aerospace** (https://plainspell.com/en/vs/aerospace-vs-airspace)

## Common misspellings (11)
`airpsace`, `airrspace`, `airsapce`, `airspacce`, `airspaec`, `airspcae`, `airsppace`, `airsspace`, `aisrpace`, `arispace`, `iarspace`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/airspace