| Acronym | Meaning |
| UHF-AA | Unrestricted Hartree-Fock (with Spin) Annihilation |
| CAA | Computer Aided Analysis |
| EXPASY | Expert Protein Analysis System |
| C4S | Chemical Shift-specific Slice Section |
| FALS | Familial Amyotrophic Lateral Sclerosis |
| BBN | Big Bang Nucleosynthesis |
| BK | Brinkman-Kramers (approxn. In Ion-mol. Collision Quantum Calcn.) |
| SDSR-CI | Single And Double Excitations From Single Ref. State Function-CI Method |
| VAD | Vapor Axial Deposition |
| SWIFT | Sandia Waste-Isolation Flow And Transport Model |