| Acronym | Meaning |
| CSOV | Constrained Space Orbital Variation |
| CEA | Carcinoembryonic Antigen |
| FRC | Free Residual Chlorine |
| TCSPC | Time-correlated Single-photon Counting |
| QIP | Quality Improvement Program |
| TGVBA | Target Generalized Valence Bond Approximation |
| HF MO LCAO | Hartree-Fock MO LCAO |
| LPUMP | L-fold (spin) Projected Unrestricted Moeller-Plesset |
| LIPS | Lanthanide Ion Probe Spectroscopy |
| GW-PG | Gaussian-weighted Planar Grid (method In Calcns. Of Electron-momentum Distributions) |