| Acronym | Meaning |
| OCD | Overlapping Charge Density (model In Electronic Structure) |
| VOA | Volatile Organic Aromatic Compounds |
| PSD | Pore Size Distribution |
| ASIP | Aircraft Structural Integrity Program |
| NADP | Nicotinamide Adenine Dinucleotide Phosphate |
| SRC | Submarine Reactor Compartments |
| PFE | Pressurized Fluid Extraction |
| CPMP | Committee For Proprietary Medical Products |
| SCM | Self-consistent Multipolar (method In Metal Cluster Calcns.) |
| SCRP | Spin Correlated Radical Pairs |