| Acronym | Meaning |
| OMO | Orthogonalized Magnetic Orbital |
| NOHS | National Occupational Hazard Survey |
| BMP | Bone Morphogenetic Proteins |
| ILK | Integrin-Linked Kinase |
| TO | Topological Orbital (in Graph Theory Of Molecules) |
| ISPGAA | In Situ Prompt Gamma-ray Activation Analysis |
| RFE | Recursive Feature Elimination |
| ASE | Activated Sludge Effluent |
| ECMWF | European Center For Medium Range Weather Forecast |
| ASGDI | Atmospheric Sampling Glow Discharge Ionization |