/ Thesaurus / I Synonyms of iris scanning Find synonyms for: Noun1. iris scanning, biometric identification, biometric authentication, identity verificationusage: biometric identification by scanning the iris of the eye; "the structure of the iris is very distinctive"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language