Pronunciation: (shôrt'wāv'), [key]
—n., adj., v., -waved, -wav•ing.
1. Elect.a radio wave shorter than that used in AM broadcasting, corresponding to frequencies of over 1600 kilohertz: used for long-distance reception or transmission.
2. See shortwave radio.
3. Physics.a wave of electromagnetic radiation equal in length to, or shorter than, the wavelength of visible light.
of, pertaining to, or using shortwaves.
to transmit by shortwaves.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.