| Acronym | Meaning |
| SGCR | Subcommittee Global Change Research |
| SCC-IEH | Self-consistent Charge-iterative Extended Hueckel |
| IRLG | Interagency Regulatory Liaison Group |
| GHRS | Goddard High Resolution Spectrograph |
| MPCVD | Microwave Plasma Chemical Vapor Deposition |
| ISE | Ion Selective Electrode |
| DMCC | Dimethylcarbamyl Chloride |
| MC | Mclean-Chandler Basis Set |
| S/MTD | STOL Maneuvering Technology Demonstrator (program) |
| RIS | Radiation-induced Segregation |