| Acronym | Meaning |
| IPHAS | The INT/WFC Photometric H-alpha Survey Of The Northern Galactic Plane |
| HETG | High-energy Transmission Grating |
| RAS | Reflectance Anisotropy Spectroscopy |
| RMTO | Relativistic Muffin-tin Orbital |
| PCA | Procoagulant Activity |
| EPCIA | Evolving Principal Component Innovation Analysis |
| WQS | Water Quality Standard |
| IUBMB | International Union Of Biochemistry And Molecular Biology |
| LWC | Light-weight Coated (paper) |
| GOCE | Gaussian Overlap Potential With Const. Well Depth |