| Acronym | Meaning |
| LRAD | Long-range Alpha Detection |
| BIOMOVS | Biosphere Model Validation Study |
| FIGLU | Formiminoglutamic Acid |
| VTR | Vertical Tube Reactor |
| PSD | Particle Size Distribution |
| PWTF | Plane-wave Translation Factors (in Atom-ion Inelastic Collisions) |
| PMR | Proton Magnetic Resonance |
| MEM | Maximum Entropy Method |
| OTCEC | Open Tubular Capillary Electrochromatography |
| POGO | Polar Orbiting Geophysical Observatory |