| Acronym | Meaning |
| SOEH | Scaled One-electron Hamiltonian (in SCF Calcns. On Mols.) |
| MTPE | Mission To Planet Earth |
| RAPIDS | Regional Air Pollutant Inventory Development System |
| MIRACL | Mid Infrared Advanced Chemical Laser |
| RPLC | Reversed-phase Liquid Chromatography |
| QA/QC | Quality Assurance/quality Control |
| PIPECO | Photoion-photoelectron Coincidence Spectroscopy |
| CEPA | Coupled Electron Pair Approximation |
| VSTA | Virus-Serum-Toxin Act |
| CHEF | Chelation Enhanced Fluorescence |