| Acronym | Meaning |
| BSFC | Break Specific Fuel Consumption |
| AQDM | Air Quality Display Model |
| ETF | Extended Thomas-Fermi (model) |
| SFR | Star Formation Rate |
| RSCA | Relativistic Semiclassical Approximation (for At. Scattering) |
| DAS | Dynamic Angle Spinning |
| MOST | Metal Oxide Semiconductor Transistor |
| START | Strategic Arms Reduction Treaty |
| PAW | Projector Augmented-wave [ab-initio Method] |
| UF | Uncertainty Factor (in Oral RfD) |