三次元 Traditional form: 三次元 Pinyin (reading): sāncìyuán Definitions: three-dimensional the real world (cf. 二次元 (èrcìyuán)) Characters: 三 - three 次 - order, sequence; second, next; one after the other 元 - first; dollar; origin; head Traditional characters: 三 - three 次 - order, sequence; second, next; one after the other 元 - first; dollar; origin; head