rhodopsin rhodoplast • rhodora · · · Info · Definitions · Synonyms · Characters · · rhodopsin · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light. Synonyms: visual purple, retinal purple. · · Noun Definition 1 Synonyms · · · visual purple · · Synonym 1 retinal purple · · Synonym 2 Characters · · d latin small letter d U+0064 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073