| Acronym | Meaning |
| RBM | Random Bonding Model |
| PMA | Pharmaceutical Manufacturers Association |
| ADP | Auger Depth Profiling |
| CIRA | COSPAR International Reference Atmosphere |
| SPCP | Surface Discharge Induced Plasma Chemical Process |
| I-TEF | International Toxicity Equvalency Factor |
| TDHF | Time-dependent Hartree-Fock Method |
| SEGS | Solar Electric Generating System |
| LMR | Liquid Metal Reactor |
| IGPP | Institute Of Geophysics And Planetary Physics |