| Acronym | Meaning |
| ESCA | Electron Spectroscopy For Chemical Analysis |
| CDMS | Cryogenic Dark Matter Search |
| CTGF | Connective Tissue Growth Factor |
| EBSM | Extended Breathing Shell Model |
| FERC | Federal Energy Regulatory Commission |
| MODR | Microwave Optical Double Resonance |
| LDA | Local-density Approximation |
| LCOPW | Linear Combination Of Orthogonalized Plane Waves |
| PRM | Primary Reference Material |
| ARAR | Applicable Or Relevant And Appropriate Standards, Limitations, Criteria, And Requirements |