a chemical compound of high molecular weight produced by polymerizing two or more different monomers together.

1935–40; co- + polymer Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
copolymer (kəʊˈpɒlɪmə)
polymer Compare oligomer a chemical compound of high molecular weight formed by uniting the molecules of two or more different compounds (monomers)

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
copolymer   (kō-pŏl'ə-mər)  Pronunciation Key 
A polymer of two or more different monomers. The synthetic rubber used to make tire treads and shoe soles, for example, is a copolymer made of the monomers butadiene and styrene.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica


any of a diverse class of substances of high molecular weight prepared by chemical combination, usually into long chains, of molecules of two or more simple compounds (the monomers forming the polymer). The structural units derived from the different monomers may be present in regular alternation or in random order, or strings of several units of one kind may alternate with strings of another.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences for copolymer
Copolymerization refers to methods used to chemically synthesize a copolymer.
A terpolymer is a copolymer consisting of three distinct monomers.
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