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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.

air′wave′ adj.


a channel for broadcasting radio or television signals
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.airwave - medium for radio and television broadcastingairwave - 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"
medium - an intervening substance through which signals can travel as a means for communication