airwave

air·waves

A5173600 (âr′wāvz′)pl.n.1. The medium of radio waves, especially as used by broadcast radio and television: a former radio personality returning to the airwaves.2. Electromagnetic frequencies allocated for wireless broadcasting or communication: a public auction of airwaves for wireless communication.

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air′wave′ adj.

airwave

(ˈɛəˌweɪv) na channel for broadcasting radio or television signals

Thesaurus

Noun

1.

airwave - medium for radio and television broadcasting; "the program was on the air from 9 til midnight"; "the president used the airwaves to take his message to the people"airmedium - an intervening substance through which signals can travel as a means for communication