| Acronym | Meaning |
| HAO | Hybrid Atomic Orbital |
| RDEQ | Reduced Dimensionality Exact Quantum (method For Reactive Scattering) |
| JIPID | Japanese International Protein Information Databank |
| DBMS | Data Base Management System |
| STMAS | Satellite Transition Magic-angle-spinning |
| VSWR | Voltage Standing Wave Ratio |
| LREE | Light Rare Earth Element(s) |
| SVE | Soil Vapor Extraction |
| CEMOS | Complementary Enhanced Metal-oxide Semiconductor |
| AIS | Airborne Imaging Spectrometer |