| Abbreviation | Definition |
|---|---|
| DMP | DuMP |
| DMR | Detailed Mission Requirements |
| DMR | Developmental instrumentation MDM (Manipulator Deployment Mechanism) - Right |
| DMR | Differential Microwave Radiometer |
| DMR1 | Detailed Mission Requirements Issue #1 |
| DMR2 | Detailed Mission Requirements Issue #2 |
| DMS | Data Management System |
| DMS | Deep Multicolor Survey |
| DMS | Digital Matrix Switch |
| DMS | Docking Mechanism System |
| DMS | Docking Module Sub-system |
| DMS | Dynamic Motion Simulator |
| DMSS | Data Management System Simulator |
| DN | Diameter of Nozzle |
| DN | DowN |
| DNLK | DownLink (D/L is the preferred term) |
| DNLT | DowNLlisT |
| DNO | Descending Node Orbit |
| DNP | Dynamic Nuclear Polarization |
| DO | Discrete Output |