| Acronym | Meaning |
| IDA | Iron Deficiency Anemia |
| OE | Office Of Enforcement |
| PT2F | Second-order Perturbation Theory (with) Fock (matrix) |
| MOE | Margin Of Exposure |
| DAC | Derived Air Concentration |
| IUVSTA | International Union Of Vacuum Science |
| DEHP | Bis(2-ethylhexyl) Phthalate |
| EBI | Equivalent Background Illumination |
| AHA | Anterior Hypothalamic Area |
| SAB | Substratum-aerated-biofilm Reactor |