shortwave
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short·wave
(shôrt′wāv′)adj.
1. Having a wavelength of approximately 10 to 200 meters.
2. Capable of receiving or transmitting at wavelengths of approximately 10 to 200 meters: a shortwave radio.
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
(ˈʃɔrtˈweɪv)n., adj., v. -waved, -wav•ing. n.
1. a radio wave shorter than that used in AM broadcasting, corresponding to frequencies of over 1600 kilohertz: used for long-distance reception or transmission.
adj. 3. of, pertaining to, or using shortwaves.
v.t., v.i. 4. to transmit by shortwaves.
[1900–05]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.