| Acronym | Meaning |
| IRFPA | IR Focal Plane Array |
| MRD-CI | Multireference Determinant Configuration Interaction |
| CIOSA | Classical Infinite-order Sudden Approxn. |
| NICI | Negative Ion Chemical Ionization (mass Spectrometry) |
| WLM | Working Level Month (for Radiation Exposure) |
| TRAIL | Tumor Necrosis Factor Related Apoptosis Inducing Ligand |
| RFIC | Radio Frequency Integrated Circuit |
| CFGFRP | Carbon Fiber And Glass Fiber Reinforced Plastics |
| CCSP | Constant Current Stripping Potentiometry |
| PLIRRA | Pollution Liability Insurance And Risk Reduction Act |