| Acronym | Meaning |
| PPP | Positron Polarization Potential |
| NCMET | Nonclosed Shell Many Electron Theory |
| LICS | Laser-induced Continuum Structure |
| ADA | American Diabetes Association |
| PLID | Pulsed Laser Induced Desorption |
| XGRS | X-ray/gamma-ray Spectrometer |
| FAO | Food And Agriculture Organization |
| CRM | Chemical Remanent Magnetization |
| SSW | Solid-state Welding |
| TACE | Tumor Necrosis Factor Alpha-converting Enzyme |