| Acronym | Meaning |
| ECIP | Energy Conservation Investment Program |
| TDKS | Time-dependent Kohn-Sham (d.-functional Operator Equation) |
| ETD | Enhanced Trickle Down (watershed Acidification Model) |
| HWRA | Hazardous Waste Reduction Act |
| DRP | Dense Random Packing |
| ADA | Adenosine Deaminase |
| TCO | Transparent Conducting Oxide |
| NEET | Nuclear Excitation In Electronic Transition |
| ASOG | Anal. Soln. Of Groups |
| AHR | Aryl Hydrocarbon Receptor |