回折 Traditional form: 回折 Pinyin (reading): huízhé Definitions: diffraction (physics) Characters: 回 - to return, to turn around; a time 折 - to break, to snap; to fold, to bend; to bow; humble Traditional characters: 回 - to return, to turn around; a time 折 - to break, to snap; to fold, to bend; to bow; humble