| Acronym | Meaning |
| RDO | Reduced Density Operator |
| DETOCSY | Diffusion Edited Total Correlation Spectroscopy |
| TBW | Total Body Water |
| QMOM | Quadrature Method Of Moments |
| ICU | Intensive Care Unit |
| HPSN | Hot-pressed Silicon Nitride |
| INFCE | International Nuclear Fuel Cycle Evaluation |
| PIO | Paired Interaction Orbital |
| ISCLT | Industrial Source Complex Long Term (dispersion Model) |
| TO | Topological Orbital (in Graph Theory Of Molecules) |