| Abbreviation | Definition |
|---|---|
| ppt. | parts per thousand |
| PPVC | Plasticised Polyvinyl Chloride |
| PQL | Practical Quantitation Limit |
| PQQ | Pyrrolo- Quinoline Quinone |
| Pr | Praseodymium |
| PR | Pressure Reference |
| pr5 | Potasium Robudium Five |
| PREC | Partnerships for Research and Education in Chemistry |
| PRODUCEPASSPORTSDRIVERSLICENSESID | Government Database System..Email ( [email protected] ) We Produce Passports,Drivers Licenses,ID C |
| PRODUCT | : something that is made or grown to be sold or used : something that is the result of a process : someone or something that is produced or influenced by a particular environment or experience |
| PRPP | Phosphoribosyl pyrophosphate |
| PRT | Precomputed Radiance Transfer |
| PRV | Pressure Release Valve |
| PSAP | Prostatic-Specific Acid Phosphatase |
| PSCT | Polymer-Stabilized Cholesteric Textured |
| PSD | Particle Size Distribution |
| PSDA | Puget Sound Dahlia Association |
| PSN | Pre Sidedress Nitrate |
| PSN | Pre-Sidedress Nitrate |
| PSR | Pressure State Response |