Polymers are materials made of long, repeating chains of molecules.
A polymer is any of a class of natural or synthetic substances composed of very large molecules, called macromolecules, which are multiples of simpler chemical units called monomers. Polymers make up many of the materials in living organisms and are the basis of many minerals and man-made materials.
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: a chemical compound or mixture of compounds formed by polymerization and consisting essentially of repeating structural units.
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