| Acronym | Meaning |
| BSEF | Bromine Science And Environmental Forum |
| SLD | Superluminescent Diode |
| SID | Selected Ion Detection |
| AWQC | Ambient Water Quality Criteria |
| UCCD | (spin) Unrestricted Coupled Cluster (with) Double (excitations) |
| APNO | Atomic Pair Natural Orbital |
| REV | Ray Eigenvector (a Wave Function) |
| FEMO | Free-electron Molecular Orbital |
| HTLV | Human T-lymphotropic Virus |
| SCADS | Superfund Chemical Analysis Data System (see CARD) |