| Acronym | Meaning |
| ACRS | Applied Computational Research Society |
| ECETOC | European Chemical Industry |
| LEDO | Limited Expansion Of Diatomic Overlap |
| EERU | Environmental Emergency Response Unit |
| RCT | Reference Control Technology |
| RVCM | Residual Vinyl Chloride Monomer |
| BCAD | Business Computer-aided Manufacturing |
| SSCPA | Single-site Coherent-potential Approximation |
| FRED | Flexible Regional Emissions Data System |
| MB-SAPT | Many-body Symmetry-adapted Perturbation Theory |