| Acronym | Meaning |
| HLNCC | High Level Neutron Coincidence Counter |
| ECMO | Extracorporeal Membrane Oxygenation |
| IASC | International Arctic Science Committee |
| PRA | Plasma Renin Activity |
| FSSW | Friction Super Stir Welding |
| TEDE | Total Effective Dose Equivalent |
| ISTP | International Solar Terrestrial Physics |
| PXD | Powder X-ray Diffraction |
| APC | Air Pollution Control |
| MBSCI | Minimum Basis Set Configuration Interaction |