sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Probing Rotation and Interior of Stars Microvariability and Activity | * |
| Picture Retrieval and Information System for Modern Arts | * |
| Photonic Routing of Interactive Services for Mobile Applications | * |
| Predictive Integrated System for the Maintenance of rotating Machinery | * |
| Preparation of businesses for the Single Market | * |