| Acronym | Meaning |
| PMC-SCF | Pair Multiconfiguration-SCF (with Electron Pair Optimization) |
| PPBA | Plane-wave Plane-wave Born Approximation |
| VFT | Voguel-Fulcher-Tamman [equation] |
| HPL | Human Placental Lactogen |
| ESHRE | European Society For Human Reproduction And Embryolog |
| ECPSSR | Energy-loss Coulomb-repulsion Perturbed-stationary-state Relativistic Theory |
| CPDW | Circumpolar Deep Water |
| ARM | Agricultural Runoff Model |
| ILL | Interlibrary Loan |
| NRC | National Response Center |