| Acronym | Meaning |
| AMN | Alkali Metal Nitrite(s) |
| MPIF | Metal Powder Industries Federation |
| PSII | Photosystem II |
| LEMO | Lowest Empty Molecular Orbital (equivalent To LUMO) |
| TBAB | Tetrabutylammonium Bromide |
| SEDOR | Spin-echo Double Resonance |
| SQW | Single Quantum Well |
| IUCHF | Improved Uncoupled Hartree Fock |
| ECM | Embedded Cluster Method (in Electronic-structure Calcns.) |
| FWPCA | Federal Water Pollution Control Act Of 1972 |