Medical
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| PAC | P1 Artificial Chromosome | - | Medical |
| PACHG | Program Advisory Committee On The Human Genome | - | Medical |
| PCR | Polymerase Chain Reaction | - | Medical |
| PFGE | Pulsed-field Gel Electrophresis | - | Medical |
| PG | Plant Genome | - | Medical |
| PIR | Protein Info. Resource | - | Medical |
| PNNL | Pacific Northwest National Laboratory | - | Medical |
| PRIM&R | Public Responsibility In Medicine & Research | - | Medical |
| PSC | Pittsburgh Supercomputing Center | - | Medical |