| Acronym | Definition |
|---|
| SDST➣School District of Springfield Township (Montgomery County, Pennsylvania) |
| SDST➣Sweet Dreams Sleep Tight |
| SDST➣Single Double Summer Time |
| SDST➣Small Deep-Space Transponder (Cassini) |
| SDST➣Science Data Support Team (NASA) |
| SDST➣Sequence Dependent Setup Times (scheduling) |
| SDST➣Self-Drilling, Self-Tapping |
| SDST➣Single Differential Space Time (coding scheme) |
| SDST➣Supervisor-Driven Stress Testing (Hong Kong) |
| SDST➣Software Developer Support Team |