Poly

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

In Greek mythology

• Polydeuces, twin brother of Castor, often called by his Roman name Pollux
• Polydectes, king of Seriphos
• Polyphemus, a monster who imprisoned Odysseus and his men

In science and technology

In mathematics

• 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

• 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

Plastics

• 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

• 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

Schools

• Polytechnic Institute of NYU, often called Poly by its students and faculty
• Institute of technology or Polytechnic institute, an educational institution

Other uses

• China Poly Group, Chinese business group
  • Poly Technologies, a defense manufacturing company and member of China Poly 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

• Polymorphism (disambiguation)
• Polyvalence (disambiguation)
• Polly (disambiguation)