| Acronym | Meaning |
| APFU | Atoms Per Formula Unit |
| EAG | Exposure Assessment Group |
| HIWIP | Homojunction Interfacial Work-function Internal Photoemission |
| PSPR | Perfectly Stirred Pulsed Reactor |
| GEK | Geomagnetic Electrokinetograph |
| ADF | Acid Detergent Fiber |
| UMO | Unmodified Molecular Orbital |
| CAPP | Computer Aided Process Planning |
| OCE | One-center Expansion (SCF MO Method) |
| UVRR | UV Resonance Raman Spectroscopy |