| Acronym | Meaning |
| NFT | Neurofibrillary Tangle |
| ZID | Zone Of Initial Dilution |
| CNDO | Complete Neglect Of Differential Overlap |
| AMN | Alkali Metal Nitrite(s) |
| EMM | Electron Mirror Microscopy |
| BD | Brueckner (orbitals With) Double (substitution) (in Electron Correlation) |
| HIV | Human Immunodeficiency Virus |
| TOSS | Total Suppression Of Sidebands |
| DIC | Differential Interference Contrast |
| SRIXE | Synchrotron Radiation-induced X-ray Emission |