From Longman Business Dictionary
biometricbi·o·met·ric /ˌbaɪəʊˈmetrɪk◂ˌbaɪoʊ-/ adjectiveadjCOMPUTING biometric measurements, for example of someone’s eyes, features, fingerprints, or voice, can be used by machines for identifying who that person ispassports containing biometric data
biometric security devices such as finger scanners