noun Chemistry.
a compound of high molecular weight derived either by the addition of many smaller molecules, as polyethylene, or by the condensation of many smaller molecules with the elimination of water, alcohol, or the like, as nylon.
a compound formed from two or more polymeric compounds.
a product of polymerization.
Compare monomer.

1865–70; < Greek polymerḗs having many parts. See poly-, -mer

superpolymer, noun
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World English Dictionary
polymer (ˈpɒlɪmə)
copolymer Compare oligomer a naturally occurring or synthetic compound, such as starch or Perspex, that has large molecules made up of many relatively simple repeated units

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Word Origin & History

1866, probably from Ger. Polymere (Berzelius, 1830), from Gk. polymeres "having many parts," from polys "many" (see poly-) + meros "part."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

polymer pol·y·mer (pŏl'ə-mər)
Any of numerous compounds of usually high molecular weight and consisting of up to millions of repeated linked units, each a relatively light and simple molecule.

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American Heritage
Science Dictionary
polymer   (pŏl'ə-mər)  Pronunciation Key 
Any of various chemical compounds made of smaller, identical molecules (called monomers) linked together. Some polymers, like cellulose, occur naturally, while others, like nylon, are artificial. Polymers have extremely high molecular weights, make up many of the tissues of organisms, and have extremely varied and versatile uses in industry, such as in making plastics, concrete, glass, and rubber. ◇ The process by which molecules are linked together to form polymers is called polymerization (pŏl'ə-lĭm'ər-ĭ-zā'shən).
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American Heritage
Cultural Dictionary
polymer [(pol-uh-muhr)]

In chemistry, a long molecule made up of a chain of smaller, simpler molecules.

Note: Proteins and many carbohydrates, such as cellulose, are polymers. Plastics are also polymers.
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Example sentences
When the polymer is activated through inputs on a phone or controller, it will
  create that vibrating sensation.
The rink, made of recyclable polymer, requires no refrigeration or electricity.
Solar cells made from cheap, plastic polymer barely capture the energy in
These group-saving individuals secrete a polymer that enables bunches of
  individuals to form floating mats.
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