| Abbreviation | Definition |
|---|---|
| PDH | Pyruvate De-Hydrogenase |
| PDLLA | Poly-DL Lactic Acid (used in craniofacial surgery) |
| PDMAEMA | Poly((2-dimethylamino)ethyl methacrylate) |
| PDMS | Poly(DiMethylSiloxane) |
| PDMS | polydimethylsiloxane |
| PdO | palladium oxide |
| PE | Poly Ethylene |
| PEA | Phenylethyl Alcohol Agar |
| PEA | PolyEster-Amine |
| PEG | poly(ethyleneglycol) |
| PEG | PolyEthylene Glycol |
| PEHA | pentaethylenehexamine |
| PEI | Petroleum Equipment Institute |
| PEK | PolyEtherKetone |
| PEM | Polymer Electrolyte Membrane |
| PEMC | PhenylEthyl-3-Methyl Caffeate |
| PEMN | PentaErythrityl MonoNitrate |
| PENIS | Proton-Enhanced Nuclear Induction Spectroscopy |
| PEO | Plasma Electrolytic Oxidation |
| PEP | Phosphoenolpyruvate |