| Acronym | Meaning |
| SAAP | Spin Adapted Antisymmetrized Product (in MC-SCF Theory) |
| PLID | Pulsed Laser Induced Desorption |
| FIGLU | Formiminoglutamic Acid |
| PTC | Phase Transfer Catalysis |
| CVA | Canonical Variate Analysis |
| ROC | Receiver Operating Characteristics |
| DATBP | Diallyl Tetrabromophthalate |
| STODI | Slater-type Orbital-point Dipole Interaction (in Mol. Polarizability Calcns.) |
| PWBE | Plane-wave Born Approxn. With Exchange |
| ELO | Equivalent Localized Orbitals |