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PX or px may refer to:

In business[edit]



  • 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

Other uses[edit]

  • 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 (monogram ☧), an early christogram formed by superimposing the first two letters in the Greek spelling of the word Christ
  • Pedro Ximénez, a grape used in the making of sweet sherries and wines from Montilla-Moriles

See also[edit]