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superhigh frequency

[soo-per-hahy]
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noun Radio.
  1. any frequency between 3000 and 30,000 megahertz. Abbreviation: SHF
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Origin of superhigh frequency

First recorded in 1940–45; super- + high frequency
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for superhigh frequency

superhigh frequency

noun
  1. a radio-frequency band or radio frequency lying between 30 000 and 3000 megahertzAbbreviation: SHF
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012