| Acronym | Meaning |
| CARCA | Computer-assisted Rocking Curve Analysis |
| IIASA | International Institute Of Applied Systems Analysis (near Vienna |
| TSH | Tensor Surface Harmonic (method In Bonding Of Metal Clusters) |
| FLMTO | Film Linearized Muffin-tin Orbital (for Surface Electronic Structure Calcns.) |
| MCE | Magnetocaloric Effect |
| UTI | Urinary Tract Infection |
| RCTM | Regional Chemical Transport Model |
| ICOM | International Congress On Membranes |
| IRR | Internal Rate Of Return |
| SAI | Simplified Ab Initio Method |