Definition of shortwave
1 : a radio wave having a wavelength between 10 and 100 meters
2 : a radio transmitter or receiver using shortwaves
3 : electromagnetic radiation having a wavelength equal to or less than that of visible light
From the M-W Editors
Recent Examples of shortwave from the Web
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A shortwave of high pressure moves across the metro area by Saturday warming temperatures back up into the mid-to-upper 80s.
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The National Weather Service sees a ridge of relatively high atmospheric pressure aloft developing over our area for Monday pushing out a departing shortwave.
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The next shortwave bringing clouds and shower chances arrives Wednesday evening.
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The suspects were found with a series of items, including lockpicks, $100 bills with the serial numbers in sequence and a shortwave receiver that could pick up police calls, the Washington Post reported.
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As a heavy rain-producing cold front moves off to the east Thursday, the upper-air shortwave low-pressure impulse expected to trigger our next round of heavy rains will ripple southeast along the West Coast.
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What the Chief said over the next six minutes or so was something that Nazi troops listening to their shortwave radios had never heard before.
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As the 36 year old Tash tells it, his father Rick landed himself on a government watch list when Rick was a thirteen year-old into ham and shortwave radio.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'shortwave.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of shortwave
1907
SHORTWAVE Defined for English Language Learners
shortwave
playDefinition of shortwave for English Language Learners
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: a radio wave with a wavelength between 10 and 100 meters
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: a radio or receiver that uses shortwaves
Medical Dictionary
shortwave
playMedical Definition of shortwave
1: a radio wave having a wavelength between 10 and 100 meters
2: electromagnetic radiation having a wavelength equal to or less than that of visible light
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