| Acronym | Meaning |
| PCO | Perturbational Crystal Orbital |
| CCFL | Cold Cathode Fluorescent Lamp |
| LEFI | Local Electric Field Instrument |
| SMO | Statistical Model Of Overlap |
| PW-TDSE | Plane Wave-time Dependent Schroedinger Equation |
| OSC | Oxygen Storage Capacity |
| ABA | Abscisic Acid |
| SPPA | Self-consistent Polarization Propagator Approximation |
| NPL | Nonparametric Linkage |
| ICHAZ | Intercritical Heat-affected Zone |