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radio wave

Definitions of radio wave
  1. noun
    an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m
    synonyms: radio emission, radio radiation
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    types:
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    sky wave
    a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth's surface
    ground wave
    a radio wave propagated on or near the earth's surface
    radio signal
    a radio wave used to transmit and receive messages
    carrier, carrier wave
    a radio wave that can be modulated in order to transmit a signal
    short wave
    a radio wave with a wavelength less than 100 meters (a frequency greater than 3 megahertz)
    medium wave
    a radio wave with a wavelength between 100 and 1000 meters (a frequency between 300 kilohertz and 3000 kilohertz)
    long wave
    a radio wave with a wavelength longer than a kilometer (a frequency below 300 kilohertz)
    ionospheric wave
    a sky wave that is reflected by the ionosphere
    type of:
    electromagnetic radiation, electromagnetic wave, nonparticulate radiation
    radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge
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