| Acronym | Meaning |
| IGT | Institute Of Gas Technology |
| GDIM | Generalized Diatomics-in-molecules (theory) |
| APEGM | Alkaline Polyethylene Glycolate Monomethyl Ether |
| EIC | Electrostatic Interaction Chromatography |
| GHSV | Gas Hourly Space Velocity |
| GDNF | Glial-derived Neurotrophic Factor |
| UAPS | Utility Acid Precipitation Study |
| ABSORB | Arctic Beaufort Sea Oilspill Research Body |
| HMPAM | Hydrophobically Modified Polyacrylamide |
| GA | Glauber Approximation (in Electron-atom Scattering) |