| Acronym | Meaning |
| COSTR | Collaborative Solar-Terrestrial Research |
| ALAD | Delta-aminolevulinic Acid Dehydratase (lead Poisoning Indicator) |
| FSTRAC | Federal-State Toxicology And Risk Analysis Committee |
| EDF | Energy Density Functional (theory In Electronic-property Calcn.) |
| PTS | Pressurized Thermal Shock |
| NMMO | N-methylmorpholine N-oxide |
| DZD | (double Zeta)-diffuse (basis Set In Configuration-mixing MO Calcns. On Mols.) |
| ZAA | Zeeman Atomic Absorption |
| EMI | Electromagnetic Interference |
| PODS | Periodic Orbit Dividing Surfaces (in Potential Surface Calcn.) |