| Acronym | Meaning |
| SFR | Star Formation Rate |
| VNS | Vicarious Nucleophilic Substitution |
| FEV1 | Forced Expiratory Volume In The First Second (lung Function) |
| DHF | Decoupled Hartree-Fock |
| SSL | Spent Sulfite Liquor |
| MPF | Maturation-promoting Factor |
| SCA | Self-consistent Approximation |
| SC-MEH-MO | Self-consistent-modified Extended Hueckel-MO |
| PDES | Preliminary Draft Environmental Statement |
| PRECP | Processing Emissions By Cloud And Precipitation (DOE Program) |