| Acronym | Meaning |
| MRSD-CI | Multireference Single And Double Excitation CI |
| PSEP | Polyhedral Skeletal Electron Pair (for Metal Clusters) |
| MASP-HMO | Mutual Additive Substituent Parameter-Hueckel Molecular Orbital |
| UARP | Upper Atmospheric Research Program |
| FBE | Flat Bed Electrophoresis |
| CGPS | Canadian Galactic Plane Survey |
| AML | Acute Myeloid Leukemia |
| VMD | Vacuum Membrane Distillation |
| SMSI | Strong Metal-support Interaction |
| UGLCC | Upper Great Lakes Connecting Channels |