郑玄 Traditional form: 鄭玄 Pinyin (reading): Zhèng Xuán Definitions: Zheng Xuan (127-200), late Han scholar Characters: 郑 - state in today's Henan; surname 玄 - deep, profound, abstruse Traditional characters: 鄭 - state in today's Henan; surname 玄 - deep, profound, abstruse