| Acronym | Meaning |
| DOC | Dissolved Organic Carbon |
| PCI-X | Parametrized Configuration Interaction (with Parameter) X |
| AISIT | Automatic Intelligent Sampler For Inorganic Trace Constituents |
| DFW | Diffusion Welding |
| ACSR | Aluminum Conductor Steel Reinforced |
| PLSR | Partial Least-squares Regression |
| ISM | Intersecting Spheres Model (for Electronic-structure Calcns.) |
| MCR | Mutual Climate Range |
| SRS | Surface Reflectance Spectroscopy |
| CDWF | Correlated-determinant Wave Function |