| Acronym | Meaning |
| IRGL | Interagency Regulatory Liaison Group |
| LNG | Liquefied Natural Gas |
| GRNN | Generalized Regression Neural Network |
| FCHF | Frozen-core Hartree-Fock |
| EMR | Electronically Mediated Reaction |
| CCLRC | Council For The Central Laboratory Of The Research Councils |
| TERT | Telomerase Reverse Transcriptase |
| NEET | Nuclear Excitation In Electronic Transition |
| RBCA | Risk-based Corrective Action |
| ZERI | Zero Emissions Research Initiative |