| Acronym | Meaning |
| RCI | Restricted Configuration Interaction |
| BDT | Best Demonstrated Technology |
| GCEC | Global Change And Ecological Complexity |
| DISC | Death-inducing Signaling Complex |
| LT2ESWTR | Long-Term 2 Enhanced Surface Water Treatment Rule [of US EPA] |
| HSW | Health And Safety At Work Act 1974 |
| EPC | Epoxy Polymer Concrete |
| BVC | British Veterinary Codex |
| CTTS | Charge Transfer To Solvent |
| OPACA | Organotin Paint Control Act Of 1988 (US) |