| Abbreviation | Definition |
|---|---|
| TS | Test Statistic |
| TS | Time Series |
| TSA | Time Series Analysis |
| TSD | Time Series Differential |
| TSE | Total Squared Error |
| TSE | Truncated Series Expansion |
| TSGD | Two-Sided Geometric Distribution |
| TSP | Traveling Salesman Problem |
| TSP | True Space Partitioning |
| TSS | Target Set Size |
| TST | Team Selection Test |
| TSV | Time Segmented Volume |
| TT | Transverse Traceless |
| TT | Truth Table |
| TTEA | Topological Transfer Efficiency Algorithm |
| TTFT | Two-Tensor Fiber Tractography |
| TTL | Total Transect Length |
| TTL | Transistor Transistor Logic (Boolean) |
| TTL | Transistor-Transistor-Logic |
| TTM | Tamed Transformation Method |