| Acronym | Meaning |
| IAEH | International Association For Environmental Hydrology |
| MPI | Multivariable Proportional-integral [control(ler)] |
| DRIE | Deep Reactive Ion Etching |
| NES | National Energy Strategy |
| ERAMS | Environmental Radiation Ambient Monitoring System |
| RDEQ | Reduced Dimensionality Exact Quantum (method For Reactive Scattering) |
| BLCAO | Bilinear Combination Of Atomic Orbitals |
| AFC | Antibody Forming Cell |
| FRM | Federal Reference Method |
| CIPW | Cross, Iddings, Pirrson, And Washington (for Geology Terminology) |