bi ‧ o ‧ met ‧ ric /ˌbaɪəʊˈmetrɪk◂ $ ˌbaɪoʊ-/ BrE AmE adjective [usually before noun]
relating to technology that can be used to measure things such as people’s eyes or fingerprints. These measurements can be kept on computer and then used to check someone’s ↑ identity , for example when they show a passport at an airport:
biometric data
biometric identifiers such as fingerprints or iris patterns