| Acronym | Meaning |
| NAERG | North American Emergency Response Guidebook |
| TPRS | Temperature Programmed Reaction Spectrometry |
| NCB | National Coal Board |
| LSDC | Local Spin Density Correlation (functional) |
| LH | Luteinizing Hormone |
| EPCE | Effective Pair Correlation Energy Method |
| VMD | Vacuum Membrane Distillation |
| MON | Motor (method) Octane No. |
| MRI | Magnetic Resonance Imaging |
| BHMA | British Hard Metal Association |