| Acronym | Meaning |
| HON | Hazardous Organic NESHAP |
| NSCSS | Noise-suppressing Capillary Separation System |
| EDGE | Enhanced Data For GSM Evolution |
| NTIAC | Nondestructive Testing Information Analysis Center |
| ISRE | Interferon-stimulated Response Element |
| NPRI | National Pollutant Release Inventory |
| DOMO | Doubly Occupied Molecular Orbital |
| SWRRB | Simulation For Water Resources In Rural Basins |
| SO | Stieltjes Orbitals (for Mol. Photoionization Continua) |
| JI | Joint Implementation [with Regard To Greenhouse Gas Emission Redn.] |