性理學 xìnglǐxué Neo-Confucianism Origin Definitions Defs Strokes Stroke Words Sentences Sents 性 xìng nounadjective nature nature; property; quality; the innate characteristics of a person or thing理学 理學 lǐxué School of Principle specific rationalist branch of Neo-Confucianism typified by Cheng Hao, Cheng Yi, and Zhu Xi; also called 道学 dàoxué or 性理学 xìnglǐxué