| Acronym | Meaning |
| CALS | Cloud And Aerosol Lidar System |
| PIRU | Public Information Reference Unit |
| WINDII | Wind Imaging Interferometer |
| EFB | Empty Fruit Bunch |
| ISE | Iterative Secular Equation (method For Solving The Schroedinger Equation) |
| GE-EPMA | Grazing-exit Electron Probe Microanalysis |
| MEDLA | Molecular Electron Density Lego Assembler |
| GMO | Group Molecular Orbital |
| BAW | Bond-order Alternation Wave (mol. Orbital) |
| VHDL | Very High Speed Integrated Circuits (VHSIC) Hardware Description Language |