| Acronym | Meaning |
| HAP | Hazardous Air Pollutants |
| ADE | Adverse Drug Event |
| CATSI | Compact Atmospheric Sounding Interferometer |
| VBM | Valence-band Model (in Electronic Structure Calcns.) |
| BCF | Beneficiated Coal Fuel |
| OCIS | OSHA Computerized Information System |
| ECS | Energy-corrected Sudden (scaling Theory In Mol. Collisions) |
| IBAE | Ion Beam Assisted Etching |
| FEA | Field Emitter Array |
| RAAS | Renin-angiotensin-aldosterone System |