| Acronym | Meaning |
| MLS | Molecular Luminescence Spectroscopy |
| EROD | Ethoxyresorufin-O-deethylase (REG 59793-97-4) |
| NRA | National Rivers Authority (UK) |
| PERT | Program Evaluation And Review Technique |
| RMP | Relativistic Model Potential |
| DMDHEU | Dimethyloldihydroxyethylene Urea |
| BPDA | 3,3',4,4'-biphenyltetracarboxylic Dianhydride |
| CIA | Chemical Industries Association |
| NFT | Neurofibrillary Tangle |
| OMS | Octahedral Molecular Sieve |