| Acronym | Meaning |
| SNO | Spin Natural Orbital |
| PDEIS | Preliminary Draft Environmental Impact Statement |
| HMPT | Hexamethylphosphoric Triamide |
| CNPPA | Commission On National Parks And Protected Areas |
| IMF | Initial Mass Function |
| NEDO | The New Energy Development Organization (Japan) |
| EDTA | Ethylenediaminetetraacetic Acid |
| CCSD-GF | CCSD-green Function |
| HMDE | Hanging Mercury Drop Electrode (in Electrochemistry) |
| CEIS | Center For Environmental Information And Statistics (EPA) |