散射 sǎnshè scattering Origin Definitions Defs Strokes Stroke Words Sentences Sents 反散射 fǎnsǎnshè backscatter the deflection of particles or waves back toward the source from which they came; backscattering辐射散射 fúshèsǎnshè radiation scattering The process in which radiation is deflected or spread as it passes through a medium.