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poly

1 American  
[pol-ee] / ˈpɒl i /

noun

plural

polies
  1. Informal. polyester.

    a blend of poly and cotton.

  2. a fabric or garment made of polyester.


adjective

  1. made of or containing polyester.

    a poly swimsuit.

poly 2 American  
[pol-ee] / ˈpɒl i /

adjective

Informal.
  1. noting or relating to polyamory; polyamorous.

    They’re in a poly relationship.

  2. identifying as polyamorous.

    They’re not monogamous, they’re poly.


poly- 3 American  
  1. a combining form with the meanings “much, many” and, in chemistry, “polymeric,” used in the formation of compound words.

    polyandrous; polyculture; polyethylene.


poly. 4 American  

abbreviation

  1. polytechnic.


poly 1 British  
/ ˈpɒlɪ /

noun

  1. informal short for polytechnic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. informal short for polyester

  2. informal short for polythene

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
poly- 2 British  

combining form

  1. more than one; many or much

    polyhedron

  2. having an excessive or abnormal number or amount

    polycythaemia

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

poly– Scientific  
  1. A prefix meaning “many,” as in polygon, a figure having many sides. In chemistry, it is used to form the names of polymers by being attached to the name of the base unit of which the polymer is made, as in polysaccharide, a polymer made of repeating simple sugars (monosaccharides).


Usage

What does poly- mean? Poly- is a combining form with multiple meanings. In many terms, it is used like a prefix meaning “much, many.” In terms from chemistry, it denotes "polymeric," meaning "of or relating to a polymer." It is often used in a variety of scientific and technical terms, especially in biology.Poly- comes from Greek polýs, meaning “many.” The Latin equivalent of polýs is multus, also meaning both “much” and “many,” which is the source of the combining form multi-. To learn more, check out our Words That Use article about multi-.

Etymology

Origin of poly1

By shortening

Origin of poly2

First recorded in 1990–95; shortening of polyamorous ( def. )

Origin of poly-3

< Greek, combining form representing polýs; akin to Old English fela many. See plus

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Brentwood 61, Long Beach Poly 55: AJ Okoh delivered a 31-point performance for the Eagles, who will face Fairmont Prep on the road Friday.

From Los Angeles Times

Kevin Lara scored 15 points for Poly.

From Los Angeles Times

Joe Wyatt, the third-year basketball coach at Sun Valley Poly, said goodbye to his son, JD, at the end of last season.

From Los Angeles Times

So how did Poly end up going 12-0 this season in East Valley League play and extend its league winning streak to 28 consecutive wins without JD?

From Los Angeles Times

With seniors Kevin Lara and Angel Guerrero leading the way, Poly is seeded No. 6 in the City Section Division I playoffs and will open at home on Wednesday against defending Open Division champion Westchester.

From Los Angeles Times