| Acronym | Meaning |
| VISTTA | Visibility Impairment From Sulfur Transformation And Transport In The Atmosphere |
| PCET | Proton-coupled Electron Transfer |
| CIS | Characteristic Isochromat Spectroscopy |
| BOD | Biochemical Oxygen Demand |
| OAR | Office Of Air And Radiation (USEPA) |
| MVE | Methyl Vinyl Ether |
| SMART | System Integrated Modular Advanced ReacTor |
| NOE | Nuclear Overhauser Effect (NMR) |
| EAS | Extensive Air Shower |
| CPLD | Complex Programmable Logic Device |