shortwave

adjective

1. (of radio waves) Having a wavelength of approximately 10 to 200 meters

2. (of radio equipment) Capable of transmitting or receiving signals at such a wavelength.

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.