| Acronym | Meaning |
| OD | Order-Disorder (in Mineral Structure) |
| TNVOX | Total Nonvolatile Org. Halogen Compds. |
| NLO | Nonlinear Optical |
| SOLSTICE | Solar Stellar Irradiance Comparison Experiment |
| PKR | Protein Kinase R |
| EMS | Electron Momentum Spectroscopy |
| OPIDP | Organophosphate Induced Delayed Polyneuropathy |
| EBV | Epstein-Barr Virus |
| SU-MRCC | State Universal-multireference Coupled Cluster |
| PHA | Process Hazard Analysis |