| Acronym | Meaning |
| XC | Exchange-coulomb Potential |
| VSP | Vertical Seismic Profile |
| CDRP | Carbon Dioxide Research Program (of US Department Of Energy) |
| SEE | Secondary Electron Emission |
| ISAST | Irreversible Sorption Affected Solute Transport [model] |
| 3A | Alumina Aluminide Alloys |
| BOCLE | Ball-on Cylinder Lubricity Evaluator |
| PELMO | Pesticide Leaching Model |
| APDG | Antisymmetrized Product Of Delocalized Geminals (wave Function) |
| SIR | Selected Ion Recording |