| Acronym | Meaning |
| PSS | Primary Sewage Sludge |
| OPW | Orthogonalized Plane Wave |
| AAEC | Australian Atomic Energy Commission |
| ALICE | A Large Ion Collider Experiment |
| CPI | Chemical Process Industry |
| EBK | Einstein-Brillouin-Keller (quantization Method) |
| CSRS | Coherent Stokes-Raman Spectroscopy |
| MCSCF | Multi Configuration Self Consistent Field |
| NASD | National Ag Safety Database |
| LTH | Luteotropic Hormone |