| Meaning | Category |
| POM Development Instructions | Governmental->Military |
| PUTNAM Dividend Income Fund | Business->NYSE Symbols |
| Packet Data Item | Computing->Networking |
| Payload Data Interleaver | Governmental->NASA |
| Performance Development, Inc. | Business->Firms |
| Picture Description Instructions | Computing->General |
| Pindiu, Papua New Guinea | Regional->Airport Codes |
| Powder For Injection | Medical->Physiology |
| Practice Development Institute | Business->Accounting |
| Pre Delivery Inspection | Governmental->NASA |
| Precision Diagnostic Instruments | Business->Firms |
| Predator Defense Institute | Medical->Veterinary |
| Proclaim Develop And Influence | Community |
| Product Design And Innovation | Business->General |
| Product Development And Improvement | Governmental->Military |
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