WordReference Random House Unabridged Dictionary of American English © 2019
D/F, 
  • direction finding.
  • Also,  DF 
    D.F., 
    1. ReligionDefender of the Faith.
      • Neo-Latin Dēfēnsor Fidēī
    2. Distrito Federal.
    3. Doctor of Forestry.


    Collins Concise English Dictionary © HarperCollins Publishers::

    DF abbreviation for
    1. Defender of the Faith



    D/F, DF abbreviation for
    1. direction finder
    2. direction finding



    'DF' also found in these entries:
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