| Acronym | Meaning |
| CHFPT | Coupled Hartree-Fock Perturbation Theory |
| VQP | Variable Quadratic Propagator (in Quantum Calcns.) |
| TED | Thermal Electron Detectors |
| EPAAR | EPA Acquisition Regulation Manual |
| CIPW | Cross, Iddings, Pirrson, And Washington (for Geology Terminology) |
| EMF | Electromobility Focusing |
| ND | Nitrification Denitrification |
| IAA | Indole-3-acetic Acid |
| PNP | Purine Nucleoside Phosphorylase |
| GVFF | Generalized Valence Force Field |