STTD
| Acronym | Definition |
|---|---|
| STTD | Space Time Transmit Diversity |
| STTD | Spacetime Triangle Diagram Technique (physics) |
| STTD | Special Tropical Disturbance Statement (National Hurricane Center) |
| STTD | Single-Tube Test Device (thermal performance) |
| STTD | Short-Term Temporarily Deferred |