| Acronym | Meaning |
| VTZ | Valence Triple Zeta (basis Set) |
| VE-PPP | Variable Electronegativity PPP |
| CCT | Clean Coal Technology |
| PEG | Polyethylene Glycol |
| AMSR | Advanced Microwave Scanning Radiometer |
| RESOLVE | Research On Operations Limiting Visual Extinction |
| AWPCF | Air And Water Pollution Control Facilities |
| DEP | Department Of Environmental Protection |
| RAM | Renormalized Atom Model (for Electronic-structure Calcns.) |
| WRDC | Wright Research And Development Center |