| Acronym | Meaning |
| ESE MO | Essential-structure-elements Molecular Orbital |
| MAMS | Multispectral Atmospheric Mapping Sensor |
| WET | Waste Extraction Test |
| TNOA | Target Natural Orbital Approximation |
| STOVL | Short Take-Off And Vertical Landing |
| CORC | Cooperative Online Resource Catalog |
| ARC | Advanced Regulatory Control |
| NPCR | Nonlinear Principal Components Regression |
| TGCE | Thermal Gradient Capillary Electrophoresis |
| RHFO | Relativistic Hartree-Fock One-channel (for Scattering) |