| Acronym | Meaning |
| PCS | Permit Compliance System |
| NCDS | NASA Climate Data System |
| EXSY | Exchange Spectroscopy |
| TART | Tip-angle Reduced T1 Imaging |
| SPOS | Solid Phase Organic Synthesis |
| JEIDA | Japan Electronic Industry Development Association |
| CPDWB | Coulomb-projected Distorted-wave Born |
| MIR | Mid Infrared |
| HFRW | High Frequency Resistance Welding |
| BRS | Bibliographic Retrieval System |