refraction refracting • refractional · · · Info · Definitions · Synonyms · Characters · · refraction · · Text Latin · · Script 10 · · Length Definitions · · · (noun) the change in direction of a propagating wave (light or sound) when passing from one medium to another. · · Noun Definition 1 (noun) the amount by which a propagating wave is bent. Synonyms: deflection, deflexion. · · Noun Definition 2 Synonyms · · · deflection · · Synonym 1 deflexion · · Synonym 2 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074