| Acronym | Meaning |
| FEM | Field-Electron Microscopy |
| MOBI | MO Bond Index |
| TRIPAS | Time-resolved Impulse Photoacoustic Spectra |
| IDO | Initial Dissolved Oxygen |
| SAD | Selected Area Diffraction Patterns (crystal Chemistry) |
| L2MS | Laser-desorption Laser-ionization Mass Spectrometry |
| EI | Emissions Inventory |
| MINT | Metal In-line Treatment |
| NPL | Nuclear-pumped Laser |
| ARIMAX | Auto Regressive Integrated Moving Average With Exogeneous Input Model |