| Acronym | Meaning |
| CHELEQ | Charge Electronegativity Equalization |
| NIPALS | Nonlinear Iterative Partial Least Squares |
| AIP | American Institute Of Physics |
| MODPOT | Model Potential |
| TPAD | Temperature Programmed Ammonia Desorption |
| FEMP | Fernald Environmental Management Project |
| MIG | Metal Inert Gas (welding) |
| CRDA | Cooperative Research And Development Agreement |
| LCCD | Linear Coupled-cluster (method With) Double (excitations) |
| ACE | Acidity In Cloud Experiment |