| Acronym | Meaning |
| UHE | Ultra-high Energy |
| CSRS | Cooperative State Research Service (US Dept. Of Agriculture) |
| HESS | High Energy Stereoscopic System |
| PLAP | Pulsed-laser Atom Probe |
| MMC | Metal-Matrix Composite |
| SAPS | Spherical Average Pseudopotential |
| GCM | Global Climate Model |
| LOI | Loss On Ignition |
| LEPS | London-Eyring-Polanyi-Sato (potential-energy Surface) |
| CAPS | Cleaved Amplified Polymorphic Sequence |