sort by Rank | Alpha
| Possible Meanings | Rank |
| poorly differentiated (neuro)endocrine carcinomas | ** |
| Phelps Dodge Exploration Corporation | ** |
| Pancreatic Duct Epithelial Cells | ** |
| Pediatric Diabetes Education Centre | ** |
| Passive Downdraft Evaporative Cooling | * |
| Proposal Data Entry Centre | * |
| Pee Dee Education Center | * |
| Program Director Engineering Center | * |