| Acronym | Meaning |
| CI | Configuration Interaction |
| CEEES | Committee Of European Environmental Engineering Societies |
| HSCR | Hirschsprung Disease |
| UTI | Urinary Trypsin Inhibitor |
| PNH | Paroxysmal Nocturnal Hemoglobinuria |
| UMIX | User-Manufacturer Information EXchange |
| MCI | Mild Cognitive Impairment |
| LASCR | Light-activated Silicon Controlled Rectifier |
| DOBAMBC | P-(n-(decyloxybenzylidene)-p-amino-(2-methylbutyl) Cinnamate |
| OMBE | Organic Molecular Beam Epitaxy |