| Acronym | Meaning |
| CMS | Comprehensive Modeling System |
| HPIC | High-performance Ion Chromatography |
| FOGO | Floating Orbital Geometry Optimization |
| MEI | Maximally Exposed Individual |
| SAXS | Small Angle X-ray Scattering |
| DI | Direct Injection (engine; Diesel) |
| JPL | Jet Propulsion Laboratory |
| ETS | Extended Transition State (method For Bond Dissocn. Energies) |
| SIIMS | Secondary Ion Imaging Mass Spectrometry |
| TEL | Tetraethyl Lead |