| Acronym | Meaning |
| TDCS | Triple Differential Cross Section |
| CPCC | Complex-potential Close-coupling |
| QCFF/PI | Quantum Mechanical Consistent Force Field Method For Pi-electron Systems |
| SWE | Snowpack Water Equivalent |
| NIOSH | National Institute For Occupational Safety And Health |
| LASCR | Light-activated Silicon Controlled Rectifier |
| GDP | Guanosine 5'-diphosphate |
| SESCA | Scanning Electron Spectroscopy For Chemical Applications |
| MCEB | Multiconfiguration Energy Bound |
| AVS | Acid Volatile Sulfide |