| Acronym | Meaning |
| QUPID | Quantum Path Integral (mol.) Dynamics (method In Mol. Calcns.) |
| AOB | Adiabatic Oxygen Bomb (calorimeter) |
| RAPIDS | Regional Air Pollutant Inventory Development System |
| BAC | Bacterial Artificial Chromosome |
| FMO | Floating Molecular Orbital |
| LCD | Liquid Crystal Diode |
| HDT | High-dose Therapy |
| HFS | Hyperfine Structure |
| QEL | Quantity Exclusion Limit |
| ISSJ | International Scientific Station Of The Jungfraujoch (atm. Observatory |