| Acronym | Meaning |
| FN | Ferrite Number |
| CLOPPA | Contribution From Localized Molecular Orbitals With Polarization Propagator Approach |
| PCMCIA | Personal Computer Memory Card International Association |
| REX | Relativistically Parametrized Extended Hueckel |
| WGS | Water Gas Shift Reaction |
| LCFA | Long Chain Fatty Acid(s) |
| PSB | Product Safety Branch |
| VASE | Variable Angle Spectroscopic Ellipsometry |
| ERL-C | Environmental Research Laboratory Corvallis |
| ADA | N-(2-acetamido) Iminodiacetic Acid |