| Acronym | Meaning |
| WDI | World Drug Index |
| BCT | Best Conventional Technology |
| ISM | Intersecting Spheres Model (for Electronic-structure Calcns.) |
| IAHS | International Association Hydrological Sciences |
| OTDR | Optical Time Domain Reflectometry |
| SCAQMD | South Coast Air Quality Management District |
| EIC | Electrostatic Interaction Chromatography |
| SAFARI | Southern African Regional Science Initiative |
| ALR | Augmenter Of Liver Regeneration |
| TTFA | Target Transformation Factor Analysis |