| Acronym | Meaning |
| CWS | Coal Water Slurry |
| LHDAC | Laser Heated Diamond Anvil Cell |
| ECHO | European Community Host Organization |
| LGM | Linearized Green-function Method (for Electronic-structure) |
| MEM | Maximum Entropy Method |
| ASW | Amorphous Solid Water |
| SCAUA | Semiclassical Approxn. United Atom |
| ONP | Old Newspaper |
| CDOM | Colored Dissolved Organic Matter |
| PIRSS | Polarization IR Surface Spectroscopy |