| Acronym | Meaning |
| QRIOSA | Quantum Reactive Infinite Order Sudden Approxn. |
| CW | Continuous Wave |
| ERS | External Reflection Spectroscopy |
| ARISE | Advanced Radio Interferometry Between Space And Earth |
| PMMA | Poly (methyl Methacrylate) |
| PMCC | Pensky-Martens Closed Cup |
| DSMS | Depth-selective Moessbauer Spectroscopy |
| RMP | Relativistic Model Potential |
| MINDAP | Microwave-induced Nitrogen Discharge At Atmospheric Pressure |
| MCWF | Monte-Carlo Wave Function (method In Study Of Dissipative Processes In Quantum Optics) |