| Acronym | Meaning |
| RIFM | Research Institute For Fragrance Materials |
| PRTR | Pollutant Release And Transfer Register |
| CEGB | Central Electricity Generating Board |
| FOPPA | First-order Polarization Propagator Approach |
| ECNI | Electron Capture Negative Ionization |
| RSV | Rous Sarcoma Virus |
| HFFR | Halogen-free Flame Retardant [thermoplastics] |
| EBIT | Electron Beam Ion Trap |
| PHEMT | Pseudomorphic High Electron Mobility Transistor |
| CEY | Conversion Electron Yield |