| Acronym | Meaning |
| GLAST | Gamma-ray Large Area Space Telescope |
| SMILES | Simplified Molecular Input Line Entry System |
| LHC | Large Hadron Collider |
| IEHT | Iterative Extended Hueckel Theory |
| FLA | Fluorescence Lifetime Analysis |
| FETI | Fluorescence Energy Transfer Immunoassay |
| IDOE | International Decade Of Ocean Exploration |
| IMAPS | Interstellar Medium Absorption Profile Spectrograph |
| OHFS | Optimized Hartree-Fock-Slater |
| YFEGE | Yonei Free-electron-gas Exchange |