| Acronym | Meaning |
| LULU | Locally Unwanted Land Use (urbanism) |
| RON | Romanian Language (ISO 639-2 Code) |
| CR | Coral Sea Islands (FIPS 10-4 Territory Code) - Costa Rica (ISO 3166 Digram) |
| DY | Dysprosium |
| PASA | PolyAmide |
| WSDL | Web Services Description Language |
| DLPMC | DorsoLateral PreMotor Cortex |
| IMU | International Mathematical Union |
| FRA | French Language (ISO 639-2 Code) |
| WACS | What-A-Cartoon! Show |