T/D
| Acronym | Definition |
|---|---|
| T/D | Top of Descent (aviation) |
| T/D | Tie Defender (Star Wars) |
| T/D | Temperature Datum |
| T/D | Target-to-Distractor (ratio) |
| T/D | Tics or Dyskinesias (pediatrics) |
| T/D | Telangiectasia and Depigmentation (breast cancer research) |
| T/D | Theta/Delta Ratio (anesthesiology) |