| Acronym | Meaning |
| CNLS | Complex Nonlinear Least Squares (data Fitting Method) |
| FCPC | Full-core Plus Correlation (calcn. Method) |
| PHF | Paired Helical Filament |
| FO-NACME | First-order Nonadiabatic Coupling Matrix Elements |
| UCA | Unit Cell Approximation [simulation Method] |
| ECLSS | Environmental Control And Life Support System |
| FGFR | Fibroblast Growth Factor Receptor |
| IE | Ionization Energy |
| IP | Impact Parameter Approximation |
| GGG | Gallium Gadolinium Garnet |