air conditioner [air conditioners](a machine that is used to control temperature and humidity in an enclosed space) noun [UK: eə(r) kən.ˈdɪ.ʃə.nə(r)] [US: ˈer kən.ˈdɪ.ʃə.nər]
air conditioning(the state of temperature and humidity produced by an air conditioner) noun [UK: eə(r) kən.ˈdɪʃ.n̩.ɪŋ] [US: ˈer kən.ˈdɪʃ.n̩.ɪŋ]