| Acronym | Meaning |
| AJD | Astronomical Julian Day |
| VTC | Video Tele-Conference |
| D/B/A | Doing Business As |
| G | Gauss |
| PAPI | Precision Approach Path Indicator (aviation) |
| ASD | (U.S.) Assistant Secretary Of Defense - Autism Spectrum Disorder |
| TGT | Target |
| NEIC | U.S. National Earthquake Information Center - National Economic Intelligence Committee (Nigeria) - National Energy Information Center (U.S. DOE) - National Enforcement Investigations Center (U.S. EPA) |
| EKMS | Electronic Key Management System |
| DMU | Diesel Multiple Unit - A Method Of Connecting Self-propelled Railway Vehicles Together To Form A Train Under The Control Of One Driver. |