| Acronym | Meaning |
| PKG | Protein Kinase G |
| USCM | Unified Solvation Cavity Model |
| SES | Surface Electronic State |
| CYP | Cytochrome P450 |
| TERRACE | Terrestrial Runoff Modeling For Risk Assessment Of Chem. Exposure |
| NTCF | National Toxics Campaign Fund |
| MVEL | Motor Vehicle Emission Laboratory |
| MQO | Measurement Quality Objective |
| TCF | Totally Chlorine-free [in Pulp Industry] |
| QMO | Quaternionic Molecular Orbital Method |