| Subject | English | Korean |
| math. | Bartlett's test of second order interaction | 바틀렛의 이차교호작용 검정 |
| math. | error of second kind | 베타오류, 제2종 오류 |
| math. | Pareto distribution of the second kind | 파레토 분포 |
| stat. | second kind model | 임의효과모형 |
| math. | second kind model | 임의효과확률효과모형 |
| math. | second law of Laplace | 가우스분포 |
| math. | second law of Laplace | 정규분포 |
| math. | second law of Laplace | 라플라스-가우스분포 |
| comp., MS | second-level domain | 두 번째 수준 도메인 (A domain name that is rooted hierarchically at the second tier of the domain namespace directly beneath the top-level domain name such as .com and .org. When DNS is used on the Internet, second-level domains are names such as microsoft.com that are registered and delegated to individual organizations and businesses according to their top-level classification. The organization then assumes further responsibility for parenting management and growth of its name into additional subdomains) |
| math. | second limit theorem | 이차극한정리 |
| math. | second-order analysis | 2차분석 |
| math. | second-order stationarity | 2차정상성 |
| math. | second-order stationary | 2차정상성 |
| comp., MS | Second screen | 두 번째 화면 (The UI label that indicates a screen or monitor that is attached to a PC and that content can be projected on to) |
| math. | second- stage unit | 이차단위 |