| Acronym | Meaning |
| ASX | Aluminosilicate Xerogel |
| FEEM | Field Electron Emission Microscopy |
| AQTAD | Air-Quality Technical Assistance Demonstration |
| HCA | Heterocyclic Amine |
| BLR | Broad Line Region |
| DCRF | Die Casting Research Foundation |
| AIRDAS | Airborne Infrared Disaster Assessment System |
| SIP | State Implementation Plan |
| EQS | Environmental Quality Standard |
| SMP | Submitochondrial Particle |