| Acronym | Meaning |
| CSA | Canadian Standards Authority |
| IEHMO | Iterative Extended Hueckel Molecular Orbital |
| DAW | Dry Active Waste |
| FLIP | FLICE-inhibitory Protein |
| EGS | Echelle Grating Spectrometer |
| PNDO | Partial Neglect Of Differential Overlap |
| APU | Acid Purification Unit (acid Recovery System) |
| IMROX | Immersed Rotation Oxidation |
| SPHF | Spin-polarized Hartree-Fock |
| FPKKR | Full-potential Korring-Kohn-Rostoker |