钝角 Traditional form: 鈍角 Pinyin (reading): dùnjiǎo Definitions: obtuse angle Characters: 钝 - blunt, obtuse; dull, flat; dim-witted 角 - angle, corner; horn, horn-shaped Traditional characters: 鈍 - blunt, obtuse; dull, flat; dim-witted 角 - angle, corner; horn, horn-shaped