PX

PX or px may refer to:

In business

PX Index, index of the Prague Stock Exchange
Air Niugini (IATA airline code PX)
Part exchange, a type of contract
Post exchange, a store operated by the Army and Air Force Exchange Service on US Army posts
Praxair (stock symbol PX)
Power exchange, the entity that operates an electricity market through which electricity is traded
Phone Number
People Experience, the rebranding of Human Resources (HR), reflecting a focus on putting people and their experiences first

p-Xylene (Paraxylene), an aromatic hydrocarbon, based on benzene with two methyl substituents, of which PX is the industrial symbol.
Peroxidase
Pyroxenes, commonly abbreviated to Px, are a group of important rock-forming inosilicate minerals
Protein crystallography, the study of protein crystals to determine the molecular structure of proteins

Pixel, in digital displays
PX clade, a taxonomic group of stramenopiles algae that includes Phaeophyceae and Xanthophyceae
Operation PX, a planned Japanese biological attack on the United States in World War II
Chi Rho ☧ (only if misspelt) – a Christian monogram formed by superimposing the Greek letters Χ (chi) and P (rho).
Pedro Ximénez, a grape used in the making of sweet sherries and wines from Montilla-Moriles
Saviem PX, a range of heavy-duty trucks