| Abbreviation | Definition |
|---|---|
| POMA | Paraneoplastic Opsoclonus Myoclonus Ataxia |
| PONA | Paraffins Olefins Naphthenes And Aromatics |
| PP | plastic polyproperlene |
| PP | Polymer Plastic |
| PP | PolyPropylene |
| PPA | Polyphthalamide |
| PPCO | PolyPropylene COpolymer |
| PPE | Plastic Process Equipment |
| PPE | PolyPhenylene Ether |
| PPF | Precompressed Polyurethane Foam |
| PPI | Plastics Pipe Institute |
| PPO | PolyPhenylene Oxide |
| PPOT | Plastics Processing Operators Training |
| PPS | PolyPhenylene Sulfide |
| PPSU | PolyPhenylSUlfone |
| PP-TF | Polypropylene Talc Filled |
| PPU | Plastic People of the Universe |
| PPV | Poly Phenylene Vinylene |
| PPY | PolyPYrrole |
| PRCC | Plastic Recycling Corporation of California |