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shortwave noun

  /ˈʃoɹtˌweɪv/ , /ˈʃɔːtˌweɪv/
  • (physics) An electromagnetic wave having a wavelength between approximately 10 and 100 meters, corresponding to frequencies between 3 and 30 MHz.
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shortwave adjective

  /ˈʃoɹtˌweɪv/ , /ˈʃɔːtˌweɪv/
  • (of radio equipment) Capable of transmitting or receiving signals at such a wavelength.
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  • (of radio waves) Having a wavelength of approximately 10 to 100 meters.
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