FRR

FRR stands for:

  • False rejection rate, a term used in biometrics
  • The IATA code of the airport Front Royal - Warren County

FR -R stands for:

  • Pays de la Loire, ISO -3166 -2 code of the French region

Frr is:

  • The language code for the North Frisian language according to ISO 639-3
  • Disambiguation
  • Abbreviation
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