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Poly, from the Greek πολύς meaning "many" or "much", may refer to:

In Greek mythology[edit]

In science and technology[edit]

In mathematics[edit]

  • Polygon, especially in relation to 3D graphics as used in terms such as high-poly
  • Polyspheric, a shape composed of more than one sphere
  • Polynomial, a type of mathematical function
  • Polyhedron, a 3-dimensional shape composed of more than one side

In medicine[edit]

  • Polyclinic, a clinic where a wide range of health care services can be obtained
  • Polydactyly, having extra digits in hands or feet
  • Polyphasic sleep, the practice of sleeping multiple times in a 24-hour period


  • Polyethylene, a common plastic used in packaging
  • Polyurethane, a polymer used in manufacture of hard-plastic objects
  • Polyester, a category of natural and synthetic polymers
  • Polystyrene, aromatic polymer made from the aromatic monomer styrene
  • Polypropylene, a thermoplastic polymer used in a wide variety of applications
  • Polycarbonate, a thermoplastic polymer commonly used to create strong materials

Other uses in science and technology[edit]

  • Polysilicon, a state of silicon used in transistors and microchips
  • Poly-A, a step in the transcription of DNA to RNA
  • Polyphenol, a class of biological molecules
  • Polygraph, or "lie detector" (particularly in Defense & Intelligence fields)
  • Polysaccharide, a sugar consisting of many monosaccharides


Other uses[edit]

  • China Poly Group, Chinese business group
  • Polymath, a person well educated in a wide variety of subjects or fields
  • Polynesians, various ethnic groups that inhabit Polynesia
  • Polytheism, the belief in and/or worship of multiple deities
  • Polyglotism, the ability to speak several languages with a high degree of proficiency
  • Polyamory, the practice of maintaining multiple relationships, with the knowledge and consent of all people involved

See also[edit]