iridescence iridesce • iridescency · · · Info · Definitions · Synonyms · Characters · · iridescence · · Text Latin · · Script 11 · · Length Definitions · · · (noun) the visual property of something having a milky brightness and a play of colors from the surface. Synonyms: opalescence. · · Noun Definition 1 Synonyms · · · opalescence · · Synonym 1 Characters · · c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073