光辐射 Traditional form: 光輻射 Pinyin (reading): guāngfúshè Definitions: light radiation Characters: 光 - light; bright, brilliant; only, merely 辐 - ray, spoke 射 - to shoot, to eject, to emit Traditional characters: 光 - light; bright, brilliant; only, merely 輻 - ray, spoke 射 - to shoot, to eject, to emit