| Acronym | Meaning |
| EIT | EUV (extreme Ultraviolet) Imaging Telescope |
| PEEM | Photoemission Electron Microscopy |
| PSNS | Pretreatment Standards For New Sources |
| SCC | Semiclassical Coupled-channel |
| MIDI-N | Split-type Contracted GTO Basis Set (n = 1 |
| FAT | Fatty Acid Translocase |
| BPD | Bronchopulmonary Dysplasia |
| MCE | Multichannel Eikonal (method For Scattering Calcns.) |
| CCM | Chemical Cleavage Of Mismatch |
| PPI | Proton Pump Inhibitor |