radio : Idioms & Phrases

Index

clock radio

  • noun a radio that includes a clock that can be set to turn it on automatically
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father of radio

  • noun United States electrical engineer who in 1907 patented the first triode vacuum tube, which made it possible to detect and amplify radio waves (1873-1961)
    Lee De Forest; De Forest.
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omnidirectional radio range

  • noun a navigational system consisting of a network of radio beacons that provide aircraft with information about exact position and bearing
    omnirange; omnidirectional range.
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push-button radio

  • noun a radio receiver that can be tuned by pressing buttons
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quasi-stellar radio source

  • noun a starlike object that may send out radio waves and other forms of energy; many have large red shifts
    quasar.
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radio aerial

  • noun omnidirectional antenna comprising the part of a radio receiver by means of which radio signals are received
    radio aerial.
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radio announcer

  • noun an announcer whose voice is broadcast on radio
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radio antenna

  • noun omnidirectional antenna comprising the part of a radio receiver by means of which radio signals are received
    radio aerial.
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radio astronomy

  • noun the branch of astronomy that detects and studies the radio waves emitted by celestial bodies
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radio beacon

  • noun a characteristic signal emitted by a transmitter used for navigation
  • noun a radio station that broadcasts a directional signal for navigational purposes
    beacon.
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radio beam

  • noun a signal transmitted along a narrow path; guides airplane pilots in darkness or bad weather
    beam.
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radio brightness

  • noun the strength of a radio wave picked up by a radio telescope
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radio broadcast

  • noun a broadcast via radio
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radio chassis

  • noun a chassis for a radio receiver
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radio compass

  • noun a direction finder that gives a bearing by determining the direction of incoming radio signals
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radio detection and ranging

  • noun measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
    radar; microwave radar; radiolocation.
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radio emission

  • noun an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m
    radio radiation; radio emission.
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radio frequency

  • noun an electromagnetic wave frequency between audio and infrared
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radio interferometer

  • noun radio telescope that uses interference patterns from two antennas instead of a parabolic antenna
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  • noun a two-way radio communication system (usually microwave); part of a more extensive telecommunication network
    link.
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radio news

  • noun a radio broadcast of news
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radio noise

  • noun static at radio wavelengths
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radio observation

  • noun an observation made with a radio telescope
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radio operator

  • noun someone who operates a radio transmitter
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radio radiation

  • noun an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m
    radio radiation; radio emission.
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radio receiver

  • noun an electronic receiver that detects and demodulates and amplifies transmitted signals
    receiving set; wireless; radio; radio receiver; tuner.
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radio reflector

  • noun astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extraterrestrial sources
    radio reflector.
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radio set

  • noun an electronic receiver that detects and demodulates and amplifies transmitted signals
    receiving set; wireless; radio; radio receiver; tuner.
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radio signal

  • noun a radio wave used to transmit and receive messages
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radio source

  • noun an object that radiates radio waves
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radio spectrum

  • noun the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television
    radio spectrum.
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radio station

  • noun station for the production and transmission of AM or FM radio broadcasts
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radio telescope

  • noun astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extraterrestrial sources
    radio reflector.
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radio transmitter

  • noun transmitter that is the part of a radio system that transmits signals
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radio wave

  • noun an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m
    radio radiation; radio emission.
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radio-

Ra"di*o-
Definitions
  1. A combining form indicating connection with, or relation to, a radius or ray; specifically (Anat.), with the radius of the forearm; as, radio-ulnar, radiomuscular, radiocarpal.
Webster 1913

radio-controlled

  • adjective satellite operated and guided by radio
    • a radio-controlled airplane
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radio-controlled aircraft

  • noun an aircraft without a pilot that is operated by remote control
    pilotless aircraft; drone.
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radio-flagellata

Ra`di*o-flag`el*la"ta noun plural
Etymology
NL. See Radiate, and Flagellata.
Definitions
  1. (Zoöl.) A group of Protozoa having both flagella and pseudopodia.
Webster 1913

radio-frequency spectrum

  • noun the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television
    radio spectrum.
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radio-gramophone

  • noun electronic equipment consisting of a combination of a radio receiver and a record player
    radio-gramophone.
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radio-opacity

  • noun opacity to X-rays or other radiation
    radiopacity.
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radio-opaque

  • adjective not transparent to X-rays or other forms of radiation
    radiopaque.
    • barium sulfate is radiopaque
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radio-phonograph

  • noun electronic equipment consisting of a combination of a radio receiver and a record player
    radio-gramophone.
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