Chemistry Abbreviations Starting With the Letter P

Chemistry abbreviations and acronyms are common in all fields of science. This collection offers common abbreviations and acronyms beginning with the letter P used in chemistry and chemical engineering.

• P - Peta
• P - Phosphorus
• p - pico
• P - Pressure
• P - Proton
• PA - Phosphatidic Acid
• Pa - Pascal
• Pa - Protactinium
• PA - Proton affinity
• PA # - PolyAmide polymer number
• PAA - PolyAcrylic Acid
• PABA - ParaAminoBenzoic Acid
• PAC - Pharmaceutically Active Compound
• PAC - Polycyclic Aromatic Content
• PAC - Powdered Activated Carbon
• PAEK - Polyaryletherketone
• PAGE - PolyAcrylamide Gel Electrophoresis
• PAH - Polycyclic Aromatic Hydrocarbon
• PAI - PolyAmide Imide
• PAO - PolyAlphaOlefin
• PASA - PolyAmide, Semi-Aromatic
• Pb - Lead
• PB - PolyButylene
• PBB - PolyBrominated Biphenyl
• PBD - PolyButaDiene
• PBI - PolyBenzImidazole
• PBN - PolyButylene Naphthalate
• PBS - Phosphate Buffered Saline
• PBT - PolyButylene Terephthalate
• PC - PolyCarbonate
• PC - Pyruvate Carboxylase
• PCA - Pyrrolidone Carboxylic Acid
• PCC - Pyridine Chloro Chromate
• PCE - Tetrachloroethylene
• PCR - Polymerase chain reaction
• PCV - Pressure control valve
• Pd - Palladium
• PD - Positive displacement
• PD - Potential difference
• PE - PhycoErythrin
• PE - Polyethylene
• PE - Potential energy
• PEA - PolyEster Amine
• PEEK - PolyEtherEtherKetone
• PEG - PolyEthylene Glycol
• PEK - Poly Ether Ketone
• PEL - Permissible exposure limit
• PERC - Tetrachloroethylene
• PES - PolyEtherSulfone
• PET - Polyethylene Terephthalate
• PETP - Polyethylene terephthalate
• PEX - Cross-linked PolyEthylene
• PFC - Perfluorocarbon
• pg - picogram
• PG - Propylene Glycol
• PG - Prostaglandin
• PGA - 3-PhosphoGlyceric Acid
• PGA - PolyGlutamic Acid
• PGE - Platinum group elements
• PGM - Platinum group metals
• pH - measurement of H⁺ ions in aqueous solution
• PH - Phenol functional group
• PHA - PolyHydroxyAlkanoate
• PHB - PolyHydroxyButyrate
• PHC - Petroleum HydroCarbon
• PHMB - PolyHexaMethyleneBiguanide
• PHT - PHThalate
• PI - Phosphate Ion
• PI - PolyImide
• PIB - PolyIsoButylene
• pK - Measurement of the dissociation constant
• PLA - Polymerized Lactic Acid
• PLC - PhosphoLipase-C
• PM3 - Parameterized Model number 3
• PM10 - Particulates smaller than 10 μm.
• PM - Particulate Matter
• PM - Photo Multiplier
• pm - picometer
• PM - Plasma Membrane
• PM - Powder Metallurgy
• Pm - Promethium
• PMA - PhosphoMolybdic Acid
• PMA - PolyMethyl Acrylate
• PMID - PubMed IDentifier
• PMMA - PolyMethylMethAcrylate
• PMO - PolyMethylene Oxide
• PNPA - PolyNucleotide Phosphorylase A
• PNPB - PolyNucleotide Phosphorylase B
• Po - Polonium
• POC - Polar organic contaminant
• pOH - Measurement of OH^- ions in aqueous solution
• POL - Petroleum, oils, and lubricants
• POP - Persistent organic pollutant
• PORC - Porcelain
• PPA -PhenylPropanolAmine
• PPA - PolyPhthalAmide
• PPB - Parts per billion
• PPM - Parts per million
• PPO - PolyPhenylene Oxide
• PPS - PolyPhenylene Sulfide
• PPT - Parts per trillion
• PPT - PolyPyrimidine Tract
• PPT - Precipitate
• Pr - Praseodymium
• PRV - Pressure relief valve
• PSI - Pounds per square inch
• PSV - Pressure safety valve
• Pt - Platinum
• PTFE - PolyTetraFluoroEthylene
• Pu - Plutonium
• PU - PolyUrethane
• PV - Parity Violation
• PV - Pressure Volume
• PVC - PolyVinyl Chloride
• PVT - Pressure, volume, temperature
• PXY - Para-XYlene