Collins Concise English Dictionary © HarperCollins Publishers::
DF
  1. Defender of the Faith
WordReference Random House Unabridged Dictionary of American English © 2026
D/F, 
  1. 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::
D/F, DF
  1. direction finder
  2. direction finding
'DF' also found in these entries (note: many are not synonyms or translations):
D/F - derivative

Forum discussions with the word(s) "DF" in the title:


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