| Acronym | Meaning |
| ORAC | Oxygen Radical Absorbance Capacity |
| CCMGA | Core-corrected Modified Glauber Approxn. (for Scattering) |
| PNO | Pseudonatural Orbital |
| MAOS | Microwave-assisted Organic Synthesis |
| IRM | Initial Remedial Measure |
| CST | Capillary Suction Time (sludge Dewatering Parameter) |
| COASTS | Coastal Ocean Advanced Science And Technology Study (IOC Program) |
| EXRHF | Extended Restricted Hartree-Fock |
| TVA | Tennessee Valley Authority |
| BODC | Born-Oppenheimer Diagonal Correction (in Mol. Calcns.) |