| Acronym | Meaning |
| ECG | Ecosystem Conservation Group |
| HFCC | Hyperfine Coupling Constant |
| SBUV | Solar Backscatter UV Instrument |
| MSO | Modified Slater Orbital |
| CPF | Coupled-pair Formalism |
| TAFE | Transverse Alternating-field Electrophoresis |
| WET | Whole Effluent Toxicity |
| SGA | Soluble-gas Atomization |
| ILTJ | Iodine-Laser Temperature Jump |
| RDEQ | Reduced Dimensionality Exact Quantum (method For Reactive Scattering) |