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English definition of “polymer”

polymer

noun [C]     /ˈpɒl.ɪ.mər/ US  /ˈpɑː.lɪ.mɚ/ specialized
a chemical substance consisting of large molecules made from many smaller and simpler molecules: Many polymers, such as nylon, are artificial. Proteins and DNA are natural polymers.Types of chemicalSpecific chemicals, chemical compounds and gasesSubstances and structures in the body
(Definition of polymer noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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