Meaning of “air” in the English Dictionary

"air" in British English

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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 your tyres - they look flat to me.
the air B2 [ S ]

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the space above the ground, especially high above the ground:

The air was filled with the scent of roses.
Throw your gun down and put your hands in the air.
The police fired into the air to clear the demonstrators from the streets.

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uk /r/ us /er/

(Definition of “air” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"air" in American English

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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 Tuesday night.
off the air

A program or person that is not broadcasting on radio or television is off the air.


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 your opinions or complaints known to other people:

The meeting gave us a chance to air our complaints.

air verb (CLEAN)

[ I/T ] to let air from outside come in a room or other inside space to make it smell cleaner, or to put something outside in the air to make it smell cleaner:

[ M ] Let’s open some windows and air out this place.
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)

"air" in Business English

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airnoun [ U ]

uk /r/ us
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 company adds a surcharge for express packages delivered 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 key shareholders was compelled to sell its stake.

(Definition of “air” from the Cambridge Business English Dictionary © Cambridge University Press)