| Acronym | Meaning |
| ECTR | Extended Connection Table Representation |
| LOPAP | Library Of Pharmacologically Active Peptides |
| SCO | Self-consistent Orbital |
| LBO | Localized Born-Oppenheimer |
| BSBL | Bond Strength-bond Length (model Of Atom Abstraction Reaction) |
| GCG | Genetics Computer Group |
| ECSC | European Coal And Steel Community |
| AIEMP | Ab Initio Environment Model Potential |
| CVP | Central Venous Pressure |
| PCBP | Phosphocholine-binding Proteinpar |