| Acronym | Meaning |
| RMSECV | Root-mean-square Error Of Cross-validation |
| VIMS | Visible And IR Mapping Spectrometer |
| INFCE | International Nuclear Fuel Cycle Evaluation |
| STAPPA | State And Territorial Air Pollution Program Administrators |
| POM | Polarized Optical Microscopy |
| EMAP | Energy-modified Adiabatic Phase (matrix Method) |
| MPNO | Molecular Pair Natural Orbital |
| CDA | Charge Density Analysis |
| FO-NACME | First-order Nonadiabatic Coupling Matrix Elements |
| CCV | Continuing Calibration Verification |