| Acronym | Meaning |
| CCC | Correlated Coupled Cluster (quantum Calcn. Method) |
| CHAPEL | Continuous Hydrogen Analysis By Pressure Evaluation In Liquids |
| UCMP | Unrestricted Compact Model Potential |
| ATRP | Atom Transfer Radical Polymerization |
| WQMSGL | Water Quality Modeling System For The Great Lakes |
| XRF | X-ray Fluorescence |
| CB2 | Second-order Coulomb Born |
| NAD | Nicotinamide Adenine Dinucleotide |
| SEMC | Scaled Ensemble Monte Carlo |
| OFPT | Operator Form (of) Perturbation Theory |