| Acronym | Meaning |
| COTF | Classroom Of The Future |
| MCE | Multichannel Eikonal (method For Scattering Calcns.) |
| PCID | Point-charge-induced-dipole (model |
| MVEL | Motor Vehicle Emission Laboratory |
| PESC | Photoelectrochemical Solar Cell |
| WMO | World Meteorological Organization |
| NEMS | Nanoelectromechanical Systems |
| AOU | Apparent Oxygen Utilization |
| BIR | Baculovirus IAP Repeat |
| FEL | Free Electron Laser |