| Subject | English | Japanese |
| gen. | n theories of Japanese cultural or racial uniqueness | 日本人論 |
| comp., MS | uniqueness constraint | 一意性制約 (A constraint that prohibits repetition of individual data or combinations of data) |
| gen. | uniqueness of solution | 解の唯一性 |
| gen. | uniqueness theorem | 唯一性定理 |
| phys. | uniqueness theorem | 一意性定理 (いちいせい・ていり) |
| gen. | uniqueness theorem | 一意性の定理 |