Poly

:"For the prefix and words related to it see Wiktionary."

Poly can have multiple meanings::* As a prefix, often meaning more than one or many (eg, polyvalent - capable of many valences):* As a feminine given name (Poly, also spelled Polly).

Poly is also commonly used as an abbreviation for various words and phrases including:

; Science and technology:* Polyethylene, polyurethane and polyester, all forms of plastic polymers:* Polysilicon, a state of silicon used as a gate material in MOSFET transistors and CMOS microchips:* Poly-A, a step in the transcription of DNA to RNA in which multiple adenosine nucleosides are added to the 3' end of the mRNA sequence.:* Polymorphism, polymorphism describes multiple possible states for a single property :* Polyspheric, a shape composed of more than one sphere, a term used by Chrysler to identify their hemi-derived but lower cost V8 engines built 1955-67:* Polygraph, or "lie detector" (particularly in Defense & Intelligence fields)

;Mathematics and logic:* Polygon, especially in relation to 3D graphics as used in terms such as "high-poly":* Polynomial, a type of mathematical function

;Other:* Polyamory, polygamy, and certain other forms of nonmonogamy beginning in "poly":* Polyclinic, a clinic where a wide range of health care services (including diagnostics) can be obtained without the need for an overnight stay:* Polyrunning a person good at all track events:* Polytechnic educational institutions:* Polymath, a person well educated in a wide variety of subjects or fields:* Polydactyly, having extra digits in hands or feet:* Poly Technologies, Chinese company:* China Poly Group, Chinese business group