Noun biometric authentication has 1 sense

• biometric authentication(n = noun.communication) 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"
has particulars: dna fingerprint, genetic fingerprint, automatic face recognition, face recognition, facial recognition, fingerprint, finger scan, finger scanning, iris scanning, signature recognition, retinal scanning, voiceprint
is a kind of identification