| Acronym | Meaning |
| EDNAP | European DNA Profiling |
| PSP | Progressive Supranuclear Palsy |
| RMAPS | Receptor Model Applied To Patterns In Space |
| AIAA | American Institute Of Aeronautics And Astronautics |
| MWH | Mulliken-Wolfsberg-Helmholz (molecular Orbital Method) |
| CIA | Chemical Industries Association |
| LCMO | Linear Combination Of Molecular Orbitals |
| SCEM | Semiclassical Self-consistent Eikonal Method |
| NACSN | North American Commission On Stratigraphic Nomenclature |
| AQCDS | Air Quality Criteria Documents |