airwaves
/ˈeɚˌweɪvz/
noun
Britannica Dictionary definition of AIRWAVES
[plural]
:
the signals used to broadcast radio and television programs
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usually used with the
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The ads have begun to fill the airwaves.
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The band's new recording hit the airwaves [=was broadcast for the first time] yesterday.
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news being broadcast on/over the airwaves