| Acronym | Meaning |
| MEPSAG | Minimum Energy Path Semiclassical Adiabatic Ground-state (tunneling Approxn.) |
| TRIPS | Trade-Related Aspects Of Intellectual Property Rights |
| AFOE | Advanced Fiber Optic Echelle Spectrometer |
| SPIRIT | Single Photon Ionization Resonance Ionization To Threshold |
| WSDA | Weighted Spin-density Approxn. |
| FSE | Fast Spin Echo |
| SASF | Straight Anisotropic Single-mode Fiber |
| ICAM | Integrated Climate Assessment Model |
| ILCT | Intraligand Charge-transfer |
| JESSI | Joint European Submicron Silicon Initiative |