Poly

n. polytechnic, school for higher education in technical or industrial studies

pref. many, several; multiple, numerous; possessing many, having many

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 technologypolyethylene, polyurethane and polyester, all forms of plastic polymerspolysilicon, a state of silicon used as a gate material in MOSFET transistors and CMOS microchips polyadenylation, 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 1955-67polygraph, or "lies detector" (particularly in Defense & Intelligence fields)
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Poly- word element [Gr.], many; much. poly- pref. 1. More than one; many; much: polyatomic. 2. More than usual; excessive; abnormal: polydipsia. 3. [more]Poly - Community and Resources

pref. poly, possessing many, having many

(n.)
A whitish woolly plant (Teucrium Polium) of the order Labiatae, found throughout the Mediterranean region. The name, with sundry prefixes, is sometimes given to other related species of the same genus.
  

(a.)
A combining form or prefix from Gr. poly`s, many; as, polygon, a figure of many angles; polyatomic, having many atoms; polychord, polyconic.