Definition of radio in English:

radio

Syllabification: ra·di·o
Pronunciation: /ˈrādēˌō
 
/

noun (plural radios)

  • 1The transmission and reception of electromagnetic waves of radio frequency, especially those carrying sound messages: cellular phones are linked by radio rather than wires
    More example sentences
    • It is highly improbable that both a telephonic transmission and radio transmission from the bank's alarm to the control room was blocked.
    • Through high frequency radio communication, the information is passed from the main terminal to the one at the PRS centre.
    • The only use I know of for very high power broadband radio transmissions is to transmit over extreme distances.
  • 1.1The activity or industry of broadcasting sound programs to the public: she has written much material for radio [as modifier]: a radio station
    More example sentences
    • 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.
    • In this business to broadcast 4,000 programmes on the same radio station is a remarkable achievement.
  • 1.2Radio programs: we used to listen to a lot of radio
    More example sentences
    • A little like rhumba, Kokoliko has for some reason come to enjoy a lot of airplay on radio.
    • These African actors say until their awareness campaign pays off, they'll pay the rent by working soap operas on radio.
    • Its findings become subjects for conservative radio and cable talk shows.
  • 1.3An apparatus for receiving radio programs: she turned on the radio
    More example sentences
    • On the train, I switched the radio on to a phone-in programme where listeners expressed their worries about the escalating situation.
    • Then each group's radios can be programmed to receive only specific talk groups.
    • I enjoy the orchestra's programmes, both by way of live performance and by listening to them on the Concert Programme on the radio.
  • 1.4An apparatus capable of both receiving and transmitting radio messages between individuals, ships, planes, etc.: a ship-to-shore radio
    More example sentences
    • The new radios transmit a code that can immediately be traced to the user.
    • The ship's radios would be on, but the running lights and the tower beacon would be secured.
    • It is well known that typical military broadband radios transmit only a few watts or less.
    Synonyms
    transceiver, CB, walkie-talkie, ship-to-shore radio, radio phone; receiver, tuner
  • 1.5 [in names] A broadcasting station or channel: Monitor Radio
    More example sentences
    • Clear Channel radio owns almost any station you could be listening to in any market.
    • The choir has regularly broadcast on RTE radio and television.
    • The finals are broadcast on BBC radio and television.

verb (radioes, radioing, radioed)

[no object] Back to top  
  • 1Communicate or send a message by radio: the pilot radioed for help
    More example sentences
    • The passenger alerted flight staff and the pilot radioed through to the control centre who sent the emergency services around to save the couple.
    • Despite the fact that he was critically low on ammunition, he provided some of it to the dazed pilot and then radioed for help.
    • The pilot flew by, radioed in, and confirmed that the fire was behind the cliffs.
  • 1.1 [with object] Communicate with (a person or place) by radio: we’ll radio Athens right away
    More example sentences
    • On a hunch, the researchers radioed the ground-based team and urged them to continue gathering data when the star re-emerged from behind Uranus.
    • He left quickly to rescan the area just in case, and then radioed some place that Lichen didn't know.
    • He radioed neighbours at 6.30 am to say he was under attack, and later reported he had been injured.

Origin

early 20th century: abbreviation of radiotelephony (see radiotelephone).

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