retinal scanning retinal rod • retinasphalt · · · Info · Definitions · Characters · · retinal scanning · · Text Common · · Latin · · Scripts 16 · · Length 5 · · Syllables Definitions · · · (noun) biometric identification by scanning the retina of the eye. Synonyms: retinal scanning. Example: "Identification by retinal scanning is complicated by eye movements." · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074