| Acronym | Meaning |
| PIHMC | Path Integral Hybrid Monte Carlo |
| RMC | Relativistic Multiconfiguration |
| PZT | Lead Zirconate Titanate |
| MO | Molecular Orbital |
| IGCC | Integrated Gasification Combined Cycles (electric Power Generation Technology) |
| CSD | Cortical Spreading Depression |
| ICARUS | Imaging Cosmic And Rare Underground Signal |
| OMO | Orthonormal Molecular Orbital |
| AES | Auger Electron Spectroscopy |
| TRE | Toxicity Reduction Evaluation |