| Acronym | Meaning |
| APHEA2 | Air Pollution And Health: A European Approach 2 |
| SIXA | Silicon X-ray Array |
| ITRM | Inverse Thermoremanent Magnetization |
| SSC | Superconducting Super Collider |
| LVP | Left Ventricular Pressure |
| DZHD | Double-zeta Huzinaga-Dunning (wave Functions) |
| SCCEH | Self-consistent Charge Extended Hueckel Method |
| MMD | Mass Medium Diameter (particle Size) |
| MESA | Mesoscale Self-assembly |
| GCC | Global Climate Coalition |