• synonyms

direction finder

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noun Radio.
  1. a receiver with a loop antenna rotating on a vertical axis, used to ascertain the direction of incoming radio waves.

Origin of direction finder

First recorded in 1910–15
Related formsdirection finding, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for direction finder

direction finder

  1. a highly directional aerial system that can be used to determine the direction of incoming radio signals, used esp as a navigation aidAbbreviation: D/F, DF
Derived Formsdirection finding, noun
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