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superhigh frequency

American  
[soo-per-hahy] / ˈsu pərˌhaɪ /

noun

Radio.

  1. any frequency between 3000 and 30,000 megahertz. SHF

superhigh frequency British  
/ ˈsuːpəˌhaɪ /

noun

  1.  SHF.  a radio-frequency band or radio frequency lying between 30 000 and 3000 megahertz

"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

Etymology

Origin of superhigh frequency

First recorded in 1940–45; super- + high frequency

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.