Definition from macmillandictionary.com
Your browser doesn’t support HTML5 audio
Radio and television have had an enormous effect on people’s lives.
He worked in radio for nearly 40 years.
BBC Radio 1
a car radio
Let’s turn on the radio. It’s time for the news.
I enjoy listening to the radio while I’m driving.
We heard a lot of flood warnings on the radio.
the radio news
an independent radio station
We remained in constant radio contact.
We might be able to contact him by radio.
a two-way radio