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Synonyms

medium frequency

American  

noun

Radio.
  1. any frequency between 300 and 3000 kilohertz. MF


medium frequency British  

noun

  1.  MF.  a radio-frequency band or radio frequency lying between 3000 and 300 kilohertz

"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 medium frequency

First recorded in 1915–20

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