Definition of radio in English:

radio

noun

  • 1[mass noun] The transmission and reception of electromagnetic waves of radio frequency, especially those carrying sound messages:

    ‘cellular phones are linked by radio rather than wires’
    • ‘Now there are cell phones and radio so whatever happens everybody knows.’
    • ‘The result is that there is only room for a few players to offer a broadband internet service via radio.’
    • ‘You should always ensure car doors are locked and windows closed, and if possible maintain radio or telephone communications to report your movements.’
    • ‘Through high frequency radio communication, the information is passed from the main terminal to the one at the PRS centre.’
    • ‘An atom will have many frequencies, some at radio wavelength, some in the visible spectrum, and some in between the two.’
    • ‘Waves generated here penetrate the ocean to depths unreachable by radio and other communication waves.’
    • ‘The only use I know of for very high power broadband radio transmissions is to transmit over extreme distances.’
    • ‘Scientists rely only on satellite telephone and radio connections.’
    • ‘My wife came home with a new Motorola cell phone with Bluetooth, which uses radio links to transfer data.’
    • ‘We had access to new information paths - the telegraph, telephone, radio, and television.’
    • ‘In other words, an efficiently coded radio message coming from outer space would look no different from a normal star in the sky.’
    • ‘He operated radio links or sent messages using secret codes.’
    • ‘It involves sending anonymous text messages to other phones via Bluetooth short-range radio.’
    • ‘The transmitter mixes the signal with some strong radio signals called carrier waves.’
    • ‘The government responds by sending in the Delta Force, but loses contact as an eerie signal interrupts radio communications.’
    • ‘Echelon's network can intercept any international telephone call, email, fax or radio transmission.’
    • ‘It is highly improbable that both a telephonic transmission and radio transmission from the bank's alarm to the control room was blocked.’
    • ‘At about the same time, we were seeing an increase in radio transceivers and other radio sources.’
    • ‘The information that they gather is then relayed back via radio or telephone communication equipment.’
    • ‘He liked to play with electricity when he was a youngster, and that grew into an interest in electronics and radio.’
  • 2[mass noun] The activity or industry of broadcasting sound programmes to the public:

    ‘she has written much material for radio’
    [as modifier] ‘a radio station’
    • ‘Britain's commercial radio broadcasting industry is soon likely to begin its long-expected consolidation.’
    • ‘He was part of a team that made one last futile attempt to force radio to embrace public interest programming.’
    • ‘It was the first convention to reach the general public live by radio broadcast.’
    • ‘The first instance pertains to the cancellation of the live horseracing broadcasts on public radio stations.’
    • ‘Two decades ago I achieved momentary fame for taping a promotion broadcast on our local public radio station.’
    • ‘The Hitch-Hiker radio show was broadcast in 12 episodes by BBC Radio 4.’
    • ‘He's also the host of the public radio program Studio 360.’
    • ‘The BBC initially broadcast one radio service, the National Programme, and some regional services.’
    • ‘Gartner takes his pattern of repetition to a comic level in an editorial urging donations to the local public radio station.’
    • ‘In this business to broadcast 4,000 programmes on the same radio station is a remarkable achievement.’
    • ‘Despite the billing, it sounds to me like any of the local public radio news and talk shows.’
    • ‘On both floors are the desks of the staff working on the news programme, website and radio station.’
    • ‘My wife told me she was amazed that I'd managed to find a sector of the broadcast industry that paid less than public radio.’
    • ‘I firmly believe that they would love to increase the audience of people of color for public radio programming.’
    • ‘Similar programmes would be generated for broadcast by radio.’
    • ‘It's so successful that public radio stations are hard-pressed to survive without it.’
    • ‘Though you might not be aware of it, only about a quarter of what you are likely to hear on any local public radio station is produced by NPR.’
    • ‘I can also, of course, receive many of the digital radio programmes now being broadcast as channels on digital terrestrial and satellite platforms.’
    • ‘Ken Crites, a Minot Daily News reporter who used to work in radio, also complained about the situation.’
    • ‘But a public warning over radio wasn't broadcast for nearly ninety minutes.’
    1. 2.1 Radio programmes:
      ‘we used to listen to a lot of radio’
      • ‘That's why I love college radio, because a lot of times, those are the only stations that will play your stuff!’
      • ‘I have been doing a lot of radio, which I enjoy because often the discussion can get to the bottom of things.’
      • ‘I have been listening to a lot of talkback radio, and actually reading newspapers.’
      • ‘I used to do a lot of radio, and was proud to be nominated for a Sony.’
      • ‘Its findings become subjects for conservative radio and cable talk shows.’
      • ‘Over the past few days I have done quite a lot of press, radio and little bits of television as well.’
      • ‘He continues to dominate breakfast radio with another record reach of 7.97 million.’
      • ‘I covered a lot of pirate radio in Austin but my editor told me to cut that after a while.’
      • ‘But as I was saying - we listened to an awful lot of odd radio while we were moving and unpacking and looking for the stereo aerial.’
      • ‘A little like rhumba, Kokoliko has for some reason come to enjoy a lot of airplay on radio.’
      • ‘This was a while ago for me and doing breakfast radio and raising a baby takes a lot of energy.’
      • ‘He's followed it up with appearances on talkback radio and he'll be on all the TV news bulletins tonight.’
      • ‘I heard a lot of radio yesterday because I had to drive to and from South Caulfield twice in as many days to get my MA thesis bound.’
      • ‘I can remember the heady days of last Friday, putting together the 5pm bulletin for student radio.’
      • ‘I used to listen to a lot of short-wave radio when I was in my teens.’
      • ‘These African actors say until their awareness campaign pays off, they'll pay the rent by working soap operas on radio.’
      • ‘I've been listening to a lot of radio in the car, and it's fascinating research to listen to what people are buying.’
    2. 2.2[in names] A broadcasting station or channel:
      ‘Radio One’
      • ‘The finals are broadcast on BBC radio and television.’
      • ‘The choir has regularly broadcast on RTE radio and television.’
      • ‘Clear Channel radio owns almost any station you could be listening to in any market.’
  • 3An apparatus for receiving radio programmes:

    ‘he switched the radio on’
    • ‘He was the sort of person who would angrily thump the table and shout at the radio during political discussion programmes.’
    • ‘After the weather bulletin, Chris switched the radio off after the first few notes of the next song.’
    • ‘Talia turned up the volume on the radio and the following message could be heard coming out of it.’
    • ‘I enjoy the orchestra's programmes, both by way of live performance and by listening to them on the Concert Programme on the radio.’
    • ‘I started my car as I bit on my sandwich and almost mechanically switched on the radio.’
    • ‘She reached towards the radio to switch off the song before the next verse, but she was too far away and her vision was blurred from tears.’
    • ‘The TV has been switched off and the radio has been silenced.’
    • ‘Then each group's radios can be programmed to receive only specific talk groups.’
    • ‘Around half the radios switched on locally on a Saturday afternoon are tuned to the station's commentary.’
    • ‘Jude reached, turning on the radio and switching it to CD.’
    • ‘She turned the radio on and switched it around until she found a good country station.’
    • ‘I heard a programme on the radio yesterday, an interview with a stand up comedian, Steve Day, who happens to be deaf.’
    • ‘The only count on which he was found not guilty was of stealing a mobile phone and car radio from Mr Ducey.’
    • ‘We are tuned into a good programme on the radio, a kipper the size of a ship's lifebelt is gently grilling and I have a pot of tea mashing at my elbow.’
    • ‘When she heard a programme on the radio about the service she volunteered straightaway.’
    • ‘I was shocked to see the number of listeners who had switched off their radios in just 12 months.’
    • ‘On the train, I switched the radio on to a phone-in programme where listeners expressed their worries about the escalating situation.’
    • ‘At the next stop light he deftly popped open the housing of the radio and switched something inside.’
    • ‘With a touch of a button located above the radio, Kantor can switch from diesel fuel to vegetable oil in seconds.’
    • ‘Ralph switched on the AM radio and spun the dial, looking for a news program.’
    • ‘She switched off the radio and slowed the car in the silence.’
    1. 3.1 An apparatus capable of both receiving and transmitting radio messages between individuals, ships, planes, etc.:
      ‘a ship-to-shore radio’
      • ‘The new radios transmit a code that can immediately be traced to the user.’
      • ‘A voice barked through the radio from the command ship ordering her to fire.’
      • ‘He may have inadvertently broadcast the message because he did not know how to operate the radio and the intercom.’
      • ‘He stood there with a distant look in his eyes holding a radio in his hand that was spattering incomprehensible messages from his superiors.’
      • ‘The necessary changes were made, the radio was installed in the nose, and the ship was ready for two-place flights.’
      • ‘While the men were trained in sabotage and to kill silently, the women operated radios and broadcast false messages.’
      • ‘The pilots screamed at ground staff over the radio to tow the planes to the gates before they lost total control of the situation.’
      • ‘The radios also send text messages and updates on incidents, and there is an emergency button.’
      • ‘With no radios capable of contacting the Paras in the town or in Amarra, the Redcaps were stranded.’
      • ‘He was also passed a demodulator unit, which was to be connected to the short wave radio when a message was to be received.’
      • ‘The Marauders had been stripped to minimum weight to maximise fuel economy and for the same reason only the lead plane had a radio, a fatal factor in thick fog.’
      • ‘It is well known that typical military broadband radios transmit only a few watts or less.’
      • ‘Microlights can be flown anywhere outside controlled airspace and while most planes have one, a radio is not mandatory.’
      • ‘The ship's radios would be on, but the running lights and the tower beacon would be secured.’
      • ‘The number is programmed into the radio and identifies the caller, which should eventually cut down on hoax distress calls.’
      • ‘The company commander loved it, yelling into the radio as each plane made its pass.’
      • ‘He heard a message over the radio from a sailing boat not far behind his vessel.’
      • ‘I asked them to shake their heads if they heard me, but the radio apparently was not transmitting.’
      • ‘This cut the defenders off from each other, since they were not allowed to use radios in case their messages were picked up by the enemy.’
      • ‘When the bomb went through the bomb bay door, number five ship called on the radio and informed us that we had a bomb bay door flapping in the breeze.’

Origin

Early 20th century: from radio- in radio-telegraphy and radio-telegram, based on Latin radius ray, beam.

Pronunciation

radio

/ˈreɪdɪəʊ/