| Acronym | Meaning |
| NODA | Notice Of Data Availability |
| ABL | Atmospheric Boundary Layer |
| WEF | Water Environment Federation (formerly WPCF) |
| GSA | Generator-state Approach (in Many-body Quantum Theory) |
| 3P | Pollution Prevention Pays |
| IEPA | Independent Electron Pair Approximation |
| PTGF | Perturbative-type Green Function |
| APAD | 3-acetylpyridine Adenine Dinucleotidepar |
| MSMO | Multiple Scattering Molecular Orbital Method (also Known As X(alpha) Scattered-wave) |
| EA-EOMCC | Electron Attachment-equation Of Motion Coupled Cluster |