Definition of long wave in US English:

long wave


  • 1A radio wave of a wavelength above one kilometer (and a frequency below 300 kHz)

    as modifier ‘long-wave radio’
    • ‘It involves the use of a small digital radio operating on long-wave band.’
    • ‘Radio enthusiasts never cease to be fascinated by the romance of all the station names displayed on the panel which brought listeners stations on medium wave, long wave, and short wave bands.’
    • ‘At the time, long-wave radio broadcasts were used principally by the Japanese military.’
    • ‘The station operates on a long-wave transmitter which is the only one in Ireland capable of serving the entire island, the association claims.’
    • ‘Originally these towers used the magnetism of the Earth to transmit long-wave messages and broadcasts.’
    • ‘The deflationary spiral under the long-wave Kondratiev cycle is far from over, in spite of appearances.’
    • ‘In addition, the radio had no long wave band and medium wave reception was poor.’
    • ‘The radio's sound reproduction was good, but reception on the medium-wave and long-wave bands was unusually poor for a Ford.’
    • ‘Independently of Kondratiev, De Wolfe proposed a theory involving the idea of a long-wave cycle in 1924.’
    • ‘We heard news, music, and conversations from the provincial capital over a scratchy, long-wave frequency.’
    1. 1.1 Broadcasting using radio waves of 1 to 10 km wavelength.
      ‘listening to news radio on long wave’
      • ‘The radio seems to be a two-band affair only, so if you are a long-wave addict, you must seek an upgrade.’
      • ‘Those who like to listen to long wave on the radio will have to do without, as only AM and FM are provided.’


long wave

/ˈlôNG ˌwāv//ˈlɔŋ ˌweɪv/