| Acronym | Meaning |
| IWKB | Iterated Wentzel-Kramers-Brillouin |
| NHF | Numerical Hartree-Fock |
| BOLD | Blood Oxygenation Level-dependent |
| IEV | Ion-exchange Voltammetry |
| ODP | Optical Deformation Potential |
| DU | Dobson Units |
| TDS | Thermal Desorption Spectrometry |
| GTP | Guanosine 5'-triphosphate |
| BOTDA | Brillouin Optical Time Domain Analysis |
| SARM | Synthetic Analytical Reference Matrix (US EPA) |