| Acronym | Meaning |
| MXRF | Micro-beam X-ray Fluorescence |
| EMP | Electrostatic Molecular Potential (for Electronic-structure) |
| QHA | Quasi-harmonic Approxn. (in Intramol. Vibrational Relaxation) |
| LDF | Laser Doppler Flowmetry |
| RADM | Regional Acid Deposition Model |
| CTIO | Cerro Tololo Inter-American Observatory |
| CRM | Continuous Radon Monitor |
| TCOD | Total Chemical Oxygen Demand |
| SRP | Signal Recognition Particle |
| INS | Inelastic Neutron Scattering |