| Acronym | Meaning |
| MLRA | Multiple Linear Regression Analysis |
| VPT | Variational Perturbation Theory |
| VLP | Virus-like Particle |
| HAM/N | Hydrogenic Atoms In Molecules |
| OTIS | Oklahoma Telecommunications Interlibrary System |
| SAR | Simulated Acidic Rain |
| DSPB | Distorted-wave Strong-potential Born (approxn.) |
| FLMTO | Film Linearized Muffin-tin Orbital (for Surface Electronic Structure Calcns.) |
| CTD | Charge Transfer Device (optical Spectroscopic Detector) |
| CHEQ | Chelation Enhanced Quenching |