| Acronym | Meaning |
| ECC | Electrokinetic Capillary Chromatography |
| FRDS | Federal Reporting Data System |
| MAP | Mean Arterial Pressure |
| SIC | Self-interaction Correction (in Exchange-energy Calcns.) |
| AWQC | Ambient Water Quality Criteria |
| MIAR | Mass Isotopomer Abundance Ratio |
| PW-TDSE | Plane Wave-time Dependent Schroedinger Equation |
| ALAU | Delta-aminolevulinic Acid Dehydratase In Urine (lead Poisoning Indicator) |
| SCM | Self-consistent Multipolar (method In Metal Cluster Calcns.) |
| WATOC | World Association Of Theoretically Oriented Chemists |