| Acronym | Meaning |
| ESE | Extended-surface Electrolysis |
| DMU | WOCE Data Management Unit (USA) (now Part Of DIU) |
| SIDS | Screening Information Data Set |
| RHO | Reduced Hamiltonian Orbital Method |
| SCIA | Semiclassical Impact Approxn. (in Ionizing At. And Mol. Collision Calcns.) |
| VPSEM | Variable Pressure Scanning Electron Microscope |
| BADT | Best Available Demonstrated Technology |
| ESA | Energy Sudden Approxn. (in Calcns. On Reactive Scattering) |
| EFB | European Federation Of Biotechnology |
| FFF | Field-flow Fractionation |