| Acronym | Meaning |
| HAN | Hydroxylamine Nitrate (salt) |
| ROD | Record Of Decision |
| HEL | Hen Egg Lysozyme |
| BK-DOK | Berufkrankeit Dokumentation (German Occupational Disease Documentation) |
| MOCETGAO | Molecule-optimized Contracted Even-tempered Gaussian Atomic Orbital |
| MS | Molecular Spinor |
| LAPS | Light-Addressable Potentiometric Sensor |
| BLM | Bilayer Lipid Membrane |
| DCO | Delayed Compliance Order |
| NRA | National Rivers Authority (UK) |