| Acronym | Meaning |
| BMAP | Biological Monitoring And Abatement Program |
| SPIO | Superparamagnetic Iron Oxide |
| GTE | Global Tropospheric Experiment |
| ASFF | Aerated Stationary Or Submerged Fixed-film (wastewater Treatment) |
| OWOW | Office Of Wetlands |
| CIDEP | Chemically Induced Dynamic Electron Polarization |
| ISVM | Iterative Schwinger Variational Method |
| OPEC | Organization Of Petroleum Exporting Countries |
| MSM | Multiple-scattering Model |
| ISCI | Initial-state Configuration Interaction |