| Acronym | Meaning |
| GDI | Gasoline Direct Injection |
| TAP | Temporal Anal. Of Products |
| GFC | Gel Filtration Chromatography |
| IPIECA | International Petroleum Industry Environmental Conservation Association |
| FHMO | Fenske-Hall MO |
| HFCC | Hyperfine Coupling Constant |
| HMM | Half Molecule Model (for Electron Scattering By Molecules) |
| BOA | Bond Orientational Anisotropy |
| EPS | Extrapyramidal Side Effect |
| SIGLE | System For Information On Grey Literature In Europe |