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English definition of “air conditioning”

air conditioning

noun [U]
 
 
B1 a system that keeps the air cool in a building or carVents and ventilation
air-conditioned
 
 
/ˈeəkənˌdɪʃənd/ adjective
having air conditioning: an air-conditioned officeVents and ventilation
(Definition of air conditioning from the Cambridge Learners Dictionary © Cambridge University Press)
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