| Acronym | Meaning |
| SQM | Scaled Quantum Mechanics (in Ab Initio Calcns.) |
| UASBR | Upflow Anaerobic Sludge Blanket Reactor |
| BSSEC | Basis-set Superposition Error Correction |
| CEUG | Continental Epeirogenic Uplift Granitoids |
| NADP | Nicotinamide Adenine Dinucleotide Phosphate |
| QFEP | Quantum Free Energy Perturbation (calcn. Method) |
| USP | United States Pharmacopeia |
| CEELS | Core Electron Energy Loss Spectroscopy |
| NRTI | Nucleoside Reverse Transcriptase Inhibitor |
| SPU | Segmented Polyurethane |