| Acronym | Meaning |
| ESRD | End-stage Renal Disease |
| LEPS | London-Eyring-Polanyi-Sato (potential-energy Surface) |
| EKMA | Empirical Kinetic Modeling Approach (in Air Pollution) |
| MOVFF | Modified Orbital Valence Force Field |
| TPRS | Temperature Programmed Reaction Spectrometry |
| EUSO | Extreme Universe Space Observatory |
| WINDII | Wind Imaging Interferometer |
| MBPT | Many-body Perturbation Theory |
| ACTS | Advanced Communications Technologies And Services |
| GPSC | Gas Proportional Scintillation Counter |