| Acronym | Meaning |
| APW | Augmented Plane Wave |
| DNPH | 2,4-Dinitrophenylhydrazine |
| CILS | Core Ionization Loss Spectroscopy |
| CTIO | Cerro Tololo Inter-American Observatory |
| SEE | Static Exact Exchange (approxn. In Electron-mol. Scattering) |
| CECE | Combined Electrolysis And Chemical Exchange |
| AO | Office Of The Administrator |
| ALEPH | Apparatus For LEP PHysics |
| APC | Activated Protein C |
| LCA | Life Cycle Assessment |