| Acronym | Meaning |
| WATOX | Western Atlantic Ocean Experiment |
| BNF | Biological Nitrogen Fixation |
| GNO | Geminal Natural Orbital |
| TGVBA | Target Generalized Valence Bond Approximation |
| BPCT | Best Practicable Control Technology |
| EFS | Event-free Survival |
| MP4(DQ) | Moeller-Plesset Perturbation Treatment To Fourth Order In The Space Of Double And Quadruple Substitutions |
| AGWSE | Association Of Ground Water Scientists And Engineers |
| CSHB | Chemical Safety And Hazard Investigation Board |
| NOLMOS | Nonorthogonal (strictly) Local Molecular Orbitals |