| Acronym | Meaning |
| BGH | Bovine Growth Hormone |
| GSAC | Generalized Symmetry Adapted Cluster (theory) |
| EXPASY | Expert Protein Analysis System |
| CDA | Charge Density Analysis |
| DPH | Diamond Pyramid Hardness |
| SAC-CI | Symmetry-adapted Cluster Configuration Interaction (theory For Wave-function Expansion) |
| RAS | Returned Activated Sludge |
| SWVP | Scattered Wave Variational Principle |
| CPST | Classical Perturbation Scattering Theory |
| ADC(N) | Algebraic Diagrammatic Construction (method In Nth-order Perturbation Theory) |