| Acronym | Meaning |
| SIAM | Single-impurity Anderson Model |
| PCA | Procoagulant Activity |
| LPS | Laser Plasma Spectroscopy |
| SOPITA | South Pacific Isotopic And Thermal Anomaly |
| UMP2 | Unrestricted Moeller-Plesset 2nd-order (perturbation Theory) |
| CEDIA | Cloned-enzyme Donor Immunoassay |
| MBPV | Mixed-basis Potential Variation (for Electronic-structure Calcn.) |
| EHEC | Enterohemorrhagic Escherichia Coli |
| LTH | Luteotropic Hormone |
| HKS | Hohenberg-Kohn-Sham (quantum Theory) |