| Abbreviation | Definition |
|---|---|
| PCL | Paint Containing Lead |
| PCL | Photo Chemical Laboratory |
| PCM | Pento Cyleinic Methyl |
| PCM | Physics Chemistry And Math |
| PCMB | p-Chloromercuribenzoic acid |
| PCMP | Post Chemical Mechanical Polishing |
| PCOC | Potential Chemical Of Concern |
| PCP | PentaChloroPhenol |
| PCP | Phenyl Cycli Piperidine |
| PCR | Polimerase Chain Reaction |
| PCT | physical chemical treatment |
| PCTC | Penn Conference in Theoretical Chemistry |
| PCU | Platinum-Cobalt Unit |
| PCV | Pressure Control Valve |
| PCVM | Plasma Chemical Vaporization Machining |
| Pd | Palladium |
| PD | Positive Displacement |
| PDB | ParaDichloroBenzene |
| PDC | Pretty Darn Confusing |
| PDEIS | PotentioDynamic Electrochemical Impedance Spectroscopy |