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English definition of “air”

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air

noun
 
 
/r/
GAS [U] A2 the mixture of gases around the Earth that we breathe: air pollution He went outside to get some fresh air (= clean, cool air).Specific chemicals, chemical compounds and gasesSubstances and structures in the bodyTypes of chemical
the air B2 the space above and around things: He fired his gun into the air.The Earth and outer space - general words
TRAVEL [U] A2 travel in an aircraft: I like travelling by air. air safetyAviationTravelling by aircraftMovement through the air
QUALITY [no plural] a particular appearance or quality: He has an air of authority.Seeming and purporting to beFaking and pretending
be on air to be broadcasting on television or radioBroadcasting in general
→  See also a breath of fresh air , mid-air , clear the air , disappear/vanish into thin air , be up in the air
(Definition of air noun from the Cambridge Learners Dictionary © Cambridge University Press)
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