| Acronym | Meaning |
| IWRA | International Water Resources Association (USA) |
| SSFLC | Surface-stabilized Ferroelec. Liq. Crystals |
| ISRA | Image-space Reconstruction Algorithm |
| IHO | International Hydrographic Association |
| CCR | Council For Chemical Research |
| MS/MS | Multistage Mass Spectrometry |
| JJT | Josephson Junction Transistor |
| PAO | Pseudo-atomic Orbital |
| PLUARG | Pollution From Land Use Activities Reference Group |
| EIA | Enzyme Immunoassay |