| Abbreviation | Definition |
|---|---|
| SRBW | Self Reference Bulk Wave |
| SSMG | Solid and Structural Mechanics Group |
| SSS | Suction Specific Speed |
| SST | Single-Start Thread |
| STF | STeering Fluid |
| STG | Steam Turbine Generator |
| STH | Soil Transmitted Helminths |
| SUPOT | tolong suport ya |
| TAMC | Teamsters Aviation Mechanics Coalition |
| TAML | Theoretical and Applied Mechanics Letters |
| TBC | Tree branch crusher |
| TC | Test Core |
| TCIC | Turbo Charged Inter-Cooled |
| TCO | Thermal Cut Off |
| TDC | Top Dead Centre |
| TDCI | Turbo Diesel Commonrail Injection |
| TDMI | Time Dependent Motor Imagery |
| TDMR | Two Dimensional Magnetic Recording |
| TEA | Truck Electronic Architecture |
| TEFC | Totally Enclosed, Fan-Cooled |