| Acronym | Meaning |
| APC | American Plastics Council |
| ESA | Energy Sudden Approxn. (in Calcns. On Reactive Scattering) |
| ERAMS | Environmental Radiation Ambient Monitoring System |
| DBRTS | Double-barrier Resonant Tunneling Structure |
| AEGIS | ATM European Group For Improvement Of Scenarios |
| SCRPA | Separated Channel RPA |
| GPCR | G-protein-coupled Receptor |
| CAI | Compression After Impact |
| GRACE | Gravity Recovery And Climate Experiment |
| INADA | Investigational New Animal Drug Application |