| Acronym | Meaning |
| IEHT | Iterative Extended Hueckel Theory |
| CDK | Cyclin Dependent Kinase |
| MCPA | Molecular Coherent-potential Approximation |
| DNS | Determination Of Nonsignificance |
| MINDO | Modified Intermediate Neglect Of Differential Overlap |
| AMCOR | Atlantic Margin Coring Project |
| IF DRM | Inversion-free Direct Recursion Method (for Surface Electronic Structure) |
| LPGD | Low-pressure Gas Discharge |
| UASB | Upflow Anaerobic Sludge Blanket |
| WHMIS | Workplace Hazardous Materials Information System (Canada) |