| Acronym | Meaning |
| CPFD | Coupled-pair Functional With Double Excitation |
| ACPQ | Approx. Coupled-pair (theory Cor. For Connected) Quadruply (excited Clusters) |
| GIP | Glucose-dependent Insulinotropic Polypeptide |
| AAAS | American Academy Of Arts And Sciences |
| ASE | Activated Sludge Effluent |
| EMOA | Extended Maximum Overlap Approximation |
| SCC-DVM | Self-consistent-charge-discrete-variational Method |
| CSGWPP | Comprehensive State Ground Water Protection Program |
| IDDM | Insulin-dependent Diabetes Mellitus |
| ECU | Electronic Control Unit |