Adjective

1. Having a wavelength of approximately 10 to 200 meters
2. Capable of transmitting or receiving signals at such a wavelength.

See also

• microwave, mediumwave, longwave, radio wave
• radio frequency, HF, VHF, UHF, SHF

Noun

1. Any shortwave frequency, having a wavelength between approximately 10 and 200 meters

   Many stations broadcast on shortwaves.

2. Any wave in the shortwave frequency band

   Shortwaves are longer than microwaves.