| Acronym | Meaning |
| SDH | Synchronous Digital Hierarchy |
| ITC | InferoTemporal Cortex (neurophysiology) |
| TE | Tactical Exploitation -Testosterone To Epitestosterone Ratio -Tight End (football) |
| PBT | PolyButylene Terephthalate |
| TTZ | Tetrazolium |
| TL | Thallium |
| KFOR | UN Kosovo Force |
| CONUS | Continental United States |
| ILDS | Improved Landmine Detection System |
| RPV | Remotely Piloted Vehicle |