| Acronym | Meaning |
| EHW | Extremely Hazardous Waste |
| MACS | Modified Atomic Charge Superposition (in Calcns. On Atom-surface Scattering Potentials) |
| CCDIS | Charge-coupled Device Imaging Spectrometer |
| ULEV | Ultra Low Emission Vehicle |
| CGIAR | Consultative Group On International Agricultural Research |
| BBB | Blood-brain Barrier |
| RAR | Retinoic Acid Receptor |
| AOT | Aerosol OT (surfactant) (reg: 577117) |
| TBEH | Tight-binding Extended Hueckel (extended Hueckel Tight-binding) |
| CORE | Comprehensive Risk Evaluation |