| Acronym | Meaning |
| ASASP | Active Scattering Aerosol Spectrometer Probe |
| SEAMOS | Single-excitations-adapted Molecular Orbitals |
| SMR | Standardized Mortality Ratios |
| RSCF | Relativistic Self-consistent Field |
| LSDF | Local Spin Density Functional |
| SCPP | Self-consistent Polarization Propagator |
| SSIS | Scanning Surface Inspection System |
| ASPET | American Society For Pharmacology And Experimental Therapeutics |
| LSDSIC | Local-spin-density Self-interaction-correction Approxn. (in Total Energy Calcns. For Atoms) |
| APT | Analytic Perturbation Theory |