| Acronym | Meaning |
| ASQC | American Society For Quality Control |
| DQSK | Drawing Quality Special Killed |
| HWRAP | Hazardous Waste Remedial Actions Program |
| QDA | Quadratic Discriminant Analysis |
| CD | Centrifugal Decoupling Approximation (for Atom-mol.scattering) |
| OMEGA | Method In Molecular Orbital Calculations |
| EAEC | Enteroaggregative Escherichia Coli |
| SAIM | Scaled Atoms-in-molecules |
| HAM/N | Hydrogenic Atoms In Molecules |
| MHIDAS | Major Hazardous Incident Data Service (from UK Atomic Energy Authority) |