| Acronym | Meaning |
| LDC | Less Developed Countries |
| RVR | Renal Vascular Resistance |
| AAEM | Advanced Analytical Electron Microscope |
| CMP | Capacitively Coupled Microwave Plasma |
| INS | Ion Neutralization Spectroscopy |
| QIOS | Quantum Infinite-order Sudden (method For Collisions) |
| KEDF | Kinetic-energy Density Functional |
| RSV | Respiratory Syncytial Virus |
| GWSS | Groundwater Supply Survey |
| RPF | Renal Plasma Flow |