| Acronym | Meaning |
| S-MPPT | Supermolecular Moeller-Plesset Perturbation Theory |
| ECPMET | Extended Coupled Pair Many Electron Theory |
| MOCETGAO | Molecule-optimized Contracted Even-tempered Gaussian Atomic Orbital |
| DTG | Differential Thermogravimetry |
| STD | Sexually Transmitted Disease |
| CRF | Chronic Renal Failure |
| HHH | Henon-Heiles Hamiltonian |
| BCIRA | British Cast Iron Research Association |
| NIRIM | National Institute For Research In Inorganic Materials |
| CFS | Cubic Feet Per Second |