| Acronym | Meaning |
| AVE | All Valence Electron |
| PFBC | Pressurized Fluidized-bed Combustion (in Energy Technology) |
| LSDSIC | Local-spin-density Self-interaction-correction Approxn. (in Total Energy Calcns. For Atoms) |
| FSA | Free And Saline Ammonia (e.g. |
| CGDE | Contact Glow Discharge Electrolysis |
| IID | Ion Impact Desorption |
| DBE | Deep Basin Experiment |
| ASNT | American Society For Nondestructive Testing |
| BCT | Best Control Technology |
| HRPA | Higher Random Phase Approximation |