airwaves
n. B2 Upper Intermediate US //ˈɛɹˌweɪvz// UK //ˈeəweɪvz// air·waves
n. the space in the sky where radio and television signals travel. You use this word when talking about how information or entertainment is shared through the radio or TV.
n. the space through which radio and television signals are transmitted. Often used metaphorically to refer to the medium of mass communication or the public domain of broadcasting.
The station broadcasts music across the airwaves every morning.
The government decided to open the airwaves to more local news stations to provide diverse perspectives.
As the technology evolved, the airwaves became a contested space where private corporations and public broadcasters competed for the right to reach millions of listeners simultaneously.