airspace
🇺🇸 /ˈɛˌrspeɪs/
📖 Definitions
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noun
The portion of the atmosphere controlled by a country above its territory, including its territorial waters; the sky above a particular area that is subject to regulation or restriction.; The space above a particular location or area, especially when considered in terms of who has the right to use it or what restrictions apply.; A designated region of the atmosphere used for air traffic control purposes, classified into different categories (Class A through G) based on the level of service and restrictions.; The space occupied by or available for air, such as in a container, room, or enclosed structure.; In broadcasting or media, the available time or space allocated for transmission or publication.
🔗 Details
Word forms
uncountable
3rd sing.: airspaces
Past: airspaced
Past part.: airspaced
Pres part.: airspacing
Collocations
airspace violationcontrolled airspacerestricted airspacenational airspaceairspace closuresovereign airspace
Synonyms
skyair corridorflight zoneair zone
Commonly confused
air space
EN: 'Airspace' is the standard modern spelling as one word; 'air space' is an older variant now considered nonstandard.
Spelling tips
EN: Write as one word 'airspace', not two words 'air space'. The compound has been fully lexicalized.
💬 Examples
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The military aircraft violated the country's airspace and was intercepted by fighter jets.
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The airport's airspace extends to a radius of five nautical miles from the runway.
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Class A airspace begins at 18,000 feet above mean sea level and requires an instrument flight rules clearance.
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The sealed container had very little airspace left after packing the equipment inside.
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The political candidate purchased significant airspace on local television stations during the campaign.