衍射角 Traditional form: 衍射角 Pinyin (reading): yǎnshèjiǎo Definitions: angle of diffraction (physics) Characters: 衍 - to overflow; to spread out 射 - to shoot, to eject, to emit 角 - angle, corner; horn, horn-shaped Traditional characters: 衍 - to overflow; to spread out 射 - to shoot, to eject, to emit 角 - angle, corner; horn, horn-shaped