| Subject | English | Korean |
| comp., MS | backward compatibility | 이전 버전과의 호환성 (The capability of source code or programs developed on a more advanced system or compiler version to be executed or compiled by a less advanced (older) version) |
| comp., MS | backward compatible | 이전 버전과 호환되는 (Pertaining to a product or version that is able to interact with previous versions) |
| comp., MS | backward-compatible | 이전 버전과 호환되는 (Pertaining to a product or version that is able to interact with previous versions) |
| math. | backward equations | 후진방정식 |
| comp., MS | backward pass | 후진 계산법 (Calculation of late finish and late start dates for project activities, determined by working backward from the project's finish date) |
| math. | backward process | 변수제거 과정 |
| math. | backward process | 후향 과정 |
| math. | backward process | 후진 과정 |
| comp., MS | backward slash | 백슬래시 (A character used to separate directory names in MS-DOS and UNIX path specifications. When used as a leading character, it means that the path specification begins from the topmost level for that disk drive) |