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English definition of “air”

air

noun (GAS)    /r/ US  /er/
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.Specific chemicals, chemical compounds and gasesSubstances and structures in the bodyTypes of chemical the air B2 [S] 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.The Earth and outer space - general words
(Definition of air noun (GAS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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