| Acronym | Meaning |
| LALLS | Low Angle Laser Light Scattering |
| PSC | Polar Stratospheric Clouds (in Antarctic) |
| AWQC | Ambient Water Quality Criteria |
| MIMIC | Microwave And Millimeter Wave Monolithic Integrated Circuit |
| CCPP | Calcium Carbonate Precipitation Potential |
| GVB-INIT | Generalized Valence Bond-initial (guess Wave Function) |
| EPI | Electronic Patent Index |
| GIAO | Gage Invariant Atomic Orbital |
| SRB | Sulfate Reducing Bacteria |
| VPC | Vapor-phase Chromatography |