A false non-match rate (FNMR) is
- "[t]he failure of a biometric system to identify a biometric subject or to verify the legitimate claimed identity of a biometric subject."
- ↑ Information Security: Challenges in Using Biometrics, at 10.
- ↑ Biometrics Identity Management Agency, Biometrics Glossary, at 27 (Ver. 5) (Oct. 2010) (full-text).