| Acronym | Meaning |
| MBAS | Methylene Blue Active Substance (surfactant) |
| SEP | Solar Energetic Particle (event) |
| RPP | Renal Perfusion Pressure |
| IGARSS | International Geoscience And Remote Sensing Symposium |
| LSDC | Local Spin Density Correlation (functional) |
| MCSCRF | Multiconfigurational Self-consistent Reaction Field |
| ICNIRS | International Council For Near Infrared Spectroscopy |
| TSLLE | Thermospray Liquid-liquid Extraction |
| MLIS | Molecular Laser Isotope Separation |
| HEN | Heat Exchanger Network |