| Acronym | Meaning |
| EVE | Ethyl Vinyl Ether |
| PBSS | Porous Bed Biomass Support System |
| GEMS | Graphical Exposure Modeling System |
| ADS | Accelerator Driven System |
| MPCA | Multiway Principal Component Analysis |
| MIKE | Mass-analyzed Ion Kinetic Energy (spectrometry) |
| MBPT | Many-body Perturbation Theory |
| POX | Purgeable Organic Halogen(s) |
| FIRST | Far Infrared And Submillimetre Space Telescope |
| FPC | Fixed Partial Charge |