| Acronym | Meaning |
| IGCC | Integrated Gasification Combined Cycles (electric Power Generation Technology) |
| PMPIN | Pre-Manufacturing And Pre-Importation Notification |
| HNC | Hypernetted Chain |
| GS | Gelius-Siegbahn (MO Approxn.) |
| DSS | Deep Seismic Sounding |
| NAME | Nuclear Accident Modeling Exercise [a Model] |
| HEEDS | Health And Environmental Effects Documents |
| MMEF | Maximum Mid-expiratory Flow (lung Function) |
| GEMS | General Energy And Material Balance System [model] |
| MDV | Marek's Disease Virus |