| Acronym | Meaning |
| NBO | Natural Bond Order |
| MCPA | Molecular Coherent-potential Approximation |
| SWFM | Scanning Work Function Microscopy |
| PPLO | Pleuropneumonia-like Organism |
| SIRNA | Small Interfering RNA |
| RCIS | Resource Center Information System |
| EKT | Extended Koopmans Theorem |
| LII | Liquid Injection Incinerator |
| PO-DVR | Potential Optimized-discrete Variable Representation |
| MIIT | Materials Interface Interactions Test |