airtime UK US (also air time) /ˈeətaɪm/ US /ˈer-/ noun [U] COMMUNICATIONS
► the amount of broadcasting time that a person, a subject, or an advertisement has on television or radio: »
advertising/radio/television airtime
»Proposals have been put forward to cut the network's airtime.
buy/sell airtime »The company has spent $30,000 to produce a radio commercial and buy airtime.
► the amount of time that someone uses their mobile phone during a particular period of time: »
Local calls at the weekend are free and 30 minutes' free air time is also included.
Financial and business terms. 2012.