| Acronym | Meaning |
| DI | Differentiation Index |
| ALMS | Atomic Line Molecular Spectroscopy |
| MORT | Molecular Orbital Resonance Theory |
| HAZOP | Hazard And Operability Study |
| HMTUSA | Hazardous Materials Transportation Uniform Safety Act |
| ECWR | Electron Cyclotron Wave Resonance |
| BTEM | Band Target Entropy Minimization |
| BGA | Ball Grid Array [electronic Packaging] |
| XSW | X-ray Standing Wave |
| PAO | Polyphosphate Accumulating Organism |