short wave
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Related to short wave: Shortwave radio, short wave diathermy
short wave
n. Abbr. sw
An electromagnetic wave with a wavelength of approximately 200 meters or less, especially a radio wave in the 20 to 200 meter range.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
short wave
,short-wave
orshortwave
n
(Telecommunications)
a. a radio wave with a wavelength in the range 10–100 metres
b. (as modifier): a short-wave broadcast.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Noun | 1. | short wave - a radio wave with a wavelength less than 100 meters (a frequency greater than 3 megahertz) radio emission, radio radiation, radio wave - an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m |
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Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995