| Acronym | Meaning |
| PBO | Polarized Born-Oppenheimer |
| REA | Relaxed Eddy Accumulation |
| QSMD | Quantum-stochastic Mol. Dynamics |
| ITEP | Institute For Theoretical And Experimental Physics |
| JKR | Johnson-Kendall-Roberts Contact Model |
| IEPA | Illinois Environmental Protection Agency |
| COPD | Chronic Obstructive Pulmonary Disease |
| ECETOC | European Chemical Industry |
| PSPR | Perfectly Stirred Pulsed Reactor |
| JCBN | IUPAC-IUB Joint Commission On Biochemical Nomenclature |