1. A diathermy machine that uses short wave radiation as the source of heat
   "The physiotherapist used a shortwave diathermy machine to treat the patient's muscle pain"

1. A radio wave with a wavelength less than 100 meters (a frequency greater than 3 megahertz)
   "Short wave radio allowed for international broadcasts"

Derived forms: short waves

Type of: diathermy machine, radio emission, radio radiation, radio wave

Encyclopedia: Short wave