| Acronym | Meaning |
| LNO | Localized Natural Orbital |
| ISRI | Institute Od Scrap Recycling Industries |
| EPM | Electron Probe Microscopy |
| NSO | Natural Spin Orbitals |
| CNG | Compressed Natural Gas |
| CBEA | Constrained Binary Encounter Approximation |
| PFRP | Process To Further Reduce Pathogens |
| FTC | Federal Trade Commission |
| ISSI | International Society For Scientometrics And Informetrics |
| CRTA | Controlled Rate Thermal Analysis |