| Noun | 1. | facial recognition - biometric identification by scanning a person's face and matching it against a library of known faces; "they used face recognition to spot known terrorists" act of terrorism, terrorism, terrorist act - the calculated use of violence (or the threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimidation or coercion or instilling fear biometric authentication, biometric identification, identity verification - the automatic identification of living individuals by using their physiological and behavioral characteristics; "negative identification can only be accomplished through biometric identification"; "if a pin or password is lost or forgotten it can be changed and reissued but a biometric identification cannot" |