radionounuk /ˈreɪ.di.əʊ/ us /-oʊ/ (plural radios)
- She set her clock by the time signal on the radio.
- We've had complaints that you've been playing your radio too loud.
- You turn this dial to find a different radio station.
- I heard a really interesting programme on the radio this morning.
- I rigged up a temporary radio aerial from a coat hanger.