| Acronym | Meaning |
| HSAB | Hard And Soft Acids And Bases |
| VPDB | Vienna Peedee Belemnite |
| ADE | Adverse Drug Event |
| SECS | Simulation And Evaluation Of Chemical Synthesis |
| EU | Exposure Unit |
| BMR | Basal Metabolic Rate |
| ECB | European Chemicals Bureau |
| COSAC | Cometary Sampling And Composition |
| EAE | Experimental Autoimmune Encephalomyelitis |
| USTCS | Underground Storage Tank Cleanup Section |