| Acronym | Meaning |
| RPI | Radius Polydispersity Index |
| TSD | Treatment, Storage, Or Disposal |
| IAHE | International Association For Hydrogen Energy |
| ASF | Augmented-space Formalism (a Generalization Of CPA) |
| EIR | Environmental Impact Report |
| EFTA | European Free Trade Association |
| IPF | Inorg. Polymer Flocculant |
| PBT | Poly(butylene Terephthalate) |
| TFELD | Thin Film Electroluminescent Device |
| LBE | Lance Bubbling Equil. |