Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun retinal_scanning

1 sense of retinal scanning

Sense 1
retinal scanning -- (biometric identification by scanning the retina of the eye; "identification by retinal scanning is complicated by eye movements")
       => biometric identification, biometric authentication, 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")