| Acronym | Meaning |
| RSSCT | Rapid Small-scale Column Test (of Granulated Activated Carbon) |
| SOS | Southern Oxidant Study |
| CGTO | Contracted Gaussian-type Orbital |
| GMISS | Gridded Model Information Support System |
| WLAN | Wireless Local Area Network |
| CERES | Cloud And The Earth's Radiant Energy System |
| NRC | National Research Council |
| CCAP | Crustacean Cardioactive Peptide |
| PPP | Positron Polarization Potential |
| LCMO | Linear Combination Of Molecular Orbitals |