from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An electromagnetic wave with a wavelength of approximately 200 meters or less, especially a radio wave in the 20 to 200 meter range.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Alternative spelling of shortwave.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a radio wave with a wavelength less than 100 meters (a frequency greater than 3 megahertz)
Sorry, no etymologies found.