| Acronym | Meaning |
| PCID | Point-charge-induced-dipole (model |
| HFFT | Hot Filament Fouling Test |
| IOC | Inorganic Chemical |
| SIMS | Surface Impoundment Modeling System |
| ACPCSA | Adiabatic Capture Partial Centrifugal Sudden Approximation |
| CMC | Conditional Moment Closure [model] |
| TMWAM | Turkey-Mersey Watershed Acidification Model |
| IRI | International Reference Ionosphere |
| PBPD | Physiologically Based Pharmacodynamic |
| PLAP | Pulsed-laser Atom Probe |