| Acronym | Meaning |
| MEMPT | Many-electron Many-photon Theory (in Dynamic-polarizability Calcns. For Atoms And Ions) |
| SUSTECH | Sustainable Technologies Initiative [European Communities] |
| QCISD | Quadratic Configuration Interaction With Single And Double Excitation |
| CATS | Corrective Action Tracking System |
| CCFO | Charge-charge Flux Overlap (model In Mol.-property Calcns.) |
| BSH | Bile Salt Hydrolase |
| LAXS | Large-angle X-ray Scattering |
| MPMMG | Marine Pollution Monitoring Management Group (UK) |
| ALR | Augmenter Of Liver Regeneration |
| PCU | Process Control Unit |