| Acronym | Meaning |
| TPMB | Two-potential-modified Born (approxn. In Inelastic Collisions) |
| ATD | Alzheimer Type Dementia |
| AE-CI | All Electron-configuration Interaction |
| ECHO | European Community Host Organization |
| CML | Chronic Myelogenous Leukemia |
| MANCOVA | Multivariate Analysis Of Covariance |
| FPC | Fractional Parentage Coeff. (in Group-theor. Calcns.) |
| IUVSTA | International Union Of Vacuum Science |
| MIMAS | MIcronization And MASter Blend |
| CID | Configuration Interaction With Doubly Excited Configurations |