/-{-{yīyuánlùn}-}- [實際讀音/, /jɐt̚⁵ jyːn²¹ lɵn²²/, /iyuanluenn/, /jat1 jyun4 leon6/, /jat7 jyn4 loen6/, /yed1 yun4 lên6/, /yiyuánlùn/、/ㄧ ㄩㄢˊ ㄌㄨㄣˋ/
(哲學，宗教) 用唯一原理說明萬有現象之本質