| Acronym | Meaning |
| RCNDO | Rydberg CNDO |
| ARPES | Angle-resolved Photoelectron Spectroscopy |
| PEFC | Polymer Electrolyte Fuel Cell |
| BIOS | Biological Innovation For Open Society |
| IWG | International Working Group |
| TIMS | Thermal Infrared Multispectral Scanner |
| FEMO | Free-electron Molecular Orbital |
| CET | Center For Environmental Technology |
| MESIP | Modeling Environmental Scenarios In Ponds |
| AMOS | Air Management Oversight System |