| Abbreviation | Definition |
|---|---|
| POP | Persistent Organic Pollutant |
| POPS | Publically Owned Point Sources |
| PORC | Porcelain |
| POSS | Polyhedral Oligomeric SilSesquioxane |
| POT | Potion Of Thought |
| POT | Proton On Target |
| POUCG | Point-Of-Use Chemical Generation |
| PP | Particulate Phosphorus |
| PP | polypropylene |
| PPA | phenylpropanolamine |
| PPA | Purified Phosphoric Acid |
| PPB | Potassium Phosphate Buffer |
| PPC | Preparative Paper Chromatography |
| PPCF | Protein and Peptide Chemistry Facility |
| PPG | Polypropylene glycol |
| PPGI | Pre-Painted Galvanized Iron |
| PPM | Pollution of Pure Materials |
| PPO | PolyPhenolic Oxidase |
| PPR | Polypropylene pipes |
| PPT | Precipitate |