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radio

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noun British English pronunciation: radio /ˈreɪdiəʊ/ 
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singularradio
pluralradios
  1. 1
    [uncountable] Sound effect: radio a system of broadcasting information and programmes that people can listen to

    Radio and television have had an enormous effect on people's lives.

    He worked in radio for nearly 40 years.

    BBC Radio 1

    1. a.
      [countable] Sound effect: radio a piece of equipment that you use for listening to radio programmes

      a car radio

      turn on/off a radio:

      Let's turn on the radio. It's time for the news.

    2. b.

      the radio

      the programmes that are broadcast for people to listen to

      I enjoy listening to the radio while I'm driving.

      on the radio:

      We heard a lot of flood warnings on the radio.

    3. c.
      [only before noun] relating to radio

      the radio news

      an independent radio station

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