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F.D.

abbreviation for

  1. Fidei Defensor.
  2. fire department.
  3. focal distance.

FD

abbreviation for

  1. Fidei Defensor

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Word History and Origins

Origin of F.D.1

Latin: Defender of the Faith

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Example Sentences

I took the notes, and from my notes I dictated this, which we call an FD-302.

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fcy.FDA

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