| Subject | English | Korean |
| comp., MS | effective date | 적용 날짜 (The date at which something goes into effect or becomes applicable) |
| math. | effective degrees of freedom | 효과적인 자유도 |
| comp., MS | effective policy | 실제 정책 (The set of enabled policies for a target) |
| math. | effective range | 유효범위 |
| math. | effective unit | 유효단위 |
| math. | median effective dose | 중위수효과용량 |