| Acronym | Meaning |
| VAWI | Variable Wavelength Interferometry |
| BLMO | Boys Localized Molecular Orbital |
| MLVSS | Mixed Liquor Volatile Suspended Solids |
| SGGA | Symmetric Group Graphical Approach (in CI Calcns.) |
| DRAMA | Dipolar Restoration At The Magic Angle |
| ICSS | Isobaric Crystallization From Supercritical Solution |
| AFRL | Air Force Research Laboratory |
| APSIS | Athenian Photochem. Smog Intercomparison Of Simulations |
| ASP | Activated Sludge Plant Or Process |
| LFMO | Ligand Field Method Combined With Linear Combination Of Atomic Orbitals-molecular Orbital Method |