- 稳定性 wěndìngxìng stability
- 决定性 juédìngxìng decisivehaving the power or quality of deciding a matter; providing a final resolution or settlement
- 确定性 quèdìngxìng determinacyThe state or quality of being certain or definite.
- 坚定性 jiāndìngxìng steadfastnessthe quality of being firm, resolute, or unwavering in purpose or belief
- 定性分析 dìngxìngfēnxī qualitative analysis
- 不确定性原理 bùquèdìngxìngyuánlǐ uncertainty principleHeisenberg's uncertainty principle (1927)
- 定性理论 dìngxìnglǐlùn qualitative theory
