air Definition in the Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Definition of “air” - English Dictionary

Definition of "air" - American English Dictionary

See all translations

airnoun

 us   /eər/

air noun (GAS)

[U] the ​mixture of ​gases that ​surrounds the ​earth and that we ​breathe: Let’s go ​outside for some ​fresh air. [U] Air ​pressure is the ​force that air ​produces when it ​presses against any ​surface.

air noun (SPACE ABOVE)

[U] the ​space above, esp. high above, the ​ground: Keith ​kicked the ​football high in the air.

air noun (FLIGHT)

[U] flight above the ​ground, esp. in an ​aircraft: air ​travel You can get there by ​train, but it’s ​faster by air.

air noun (MANNER)

[C] a ​manner or ​appearance: She had an air of ​confidence.

air noun (BROADCAST)

on the air a ​program or a ​person on the air is ​broadcasting on ​radio or ​television: His show is on the air from 8:00 to 8:30 every ​Tuesdaynight.off the air A ​program or ​person that is not ​broadcasting on ​radio or ​television is off the air.

airverb

 us   /er, ær/

air verb (BROADCAST)

[I/T] to ​broadcast something on ​radio or ​television: [T] The ​game will be aired at 9 p.m. ​tomorrow.

air verb (MAKE KNOWN)

[T] to make ​youropinions or ​complaintsknown to other ​people: The ​meeting gave us a ​chance to air ​ourcomplaints.

air verb (CLEAN)

[I/T] to ​let air from ​outside come in a ​room or other inside ​space to make it ​smellcleaner, or to put something ​outside in the air to make it ​smellcleaner: [M] Let’s ​open some ​windows and air out this ​place.
airing
noun [C]  us   /ˈer·ɪŋ, ˈær-/
The third airing of the ​miniseries will ​begin next ​week.
(Definition of air from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "air" - British English Dictionary

See all translations

airnoun

uk   /r/  us   /er/

air noun (GAS)

A2 [U] the ​mixture of ​gases that ​surrounds the ​earth and that we ​breathe: I went ​outside to get some fresh air. You should put some air in ​yourtyres - they ​lookflat to me.the air B2 [S]
More examples
the ​space above the ​ground, ​especially high above the ​ground: The air was ​filled with the ​scent of ​roses. Throw ​yourgun down and put ​yourhands in the air. The ​policefired into the air to ​clear the ​demonstrators from the ​streets.
More examples

air noun (AIRCRAFT)

A2 [U] travel in an ​aircraft: I don't ​travel much by air. an air ​crash/​disaster air ​travel
More examples

air noun (MANNER)

C2 [S] manner or ​appearance: She has an air ofconfidence about her.
More examples

air noun (BROADCAST)

be on/off (the) air C1 If a ​programme or a ​person is on/off (the) air, they are/are not ​broadcasting on ​radio or ​television: The ​radiostation is on air from 6 a.m. As ​soon as the ​warstarted, any ​broadcasts with a ​militarytheme were taken off the air.

air noun (TUNE)

[C] a ​simpletune: Bach's Air on a G String

airverb

uk   /r/  us   /er/

air verb (MAKE KNOWN)

[T] to make ​opinions or ​complaintsknown to other ​people: Putting a ​complaint in the ​suggestionsbox is one way of airing ​your grievances. He'll air his views on the ​war whether ​peoplewant to ​listen or not.

air verb (DRY)

[I or T] to ​becomedry and/or ​fresh, or to ​cause to ​becomedry and/or ​fresh: My ​mother always airs the ​sheets before she makes the ​beds. Leave the ​windowsopen to ​let the ​room air a ​bit.

air verb (BROADCAST)

[I or T] US to ​broadcast something or be ​broadcast on ​radio or ​television: The ​game will be aired live onCBS at 7.00 ​tonight. The ​interview with the ​president will air ​tomorrowmorning.
(Definition of air from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "air" - Business English Dictionary

See all translations

airnoun [U]

uk   us   /r/
by air TRANSPORT travelling by or using ​planes: arrive/travel by air 25% of the state's ​economy is fueled by ​tourists who ​travel by air.deliver/send/ship sth by air The ​companyadds a ​surcharge for ​expresspackagesdelivered by air.
up in the air if a matter is up in the air, it is uncertain and no ​final decision has been made about it: The future of the ​company has been up in the air since one of its ​keyshareholders was compelled to ​sell its ​stake.
(Definition of air from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of air?
Add Cambridge dictionaries to your browser to your website
Word of the Day

chestnut

a large tree with leaves divided into five parts and large round nuts that can be eaten

Word of the Day

In London but at the station: prepositions for talking about travel
In London but at the station: prepositions for talking about travel
by Liz Walter,
September 02, 2015
Several readers have asked for information on prepositions, so I will start with a blog post that looks at an area where they are really important: travel. The first thing to remember is that we use to (and not ‘in’) after the verb go: We are going to London. I went to

Read More 

parklet noun
parklet noun
August 31, 2015
a public outdoor space that may be associated with a local business but where anyone can sit Pop-up cafes in NY are what’s actually called parklets in many other places around the country.

Read More