| Acronym | Meaning |
| RTKNET | Right-to-Know Network |
| SU | Standard Unit |
| QCPE | Quantum Chemistry Program Exchange |
| GDF | Growth Differentiation Factor |
| S/MTD | STOL Maneuvering Technology Demonstrator (program) |
| CART | Cloud And Radiation Testbed |
| EQA | External Quality Assessment |
| IAM | Immobilized Artificial Membrane |
| UGLCC | Upper Great Lakes Connecting Channels |
| NCLAN | National Crop Loss Assessment Network |