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polymer

noun
🔊/ˈpɒlɪmə(r)/
🔊/ˈpɑːlɪmər/
(chemistry化学)
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  1. a substance consisting of large molecules (= groups of atoms) that are made from combinations of small simple molecules聚合物；多聚体
    Word Originmid 19th cent.: from German, from Greek polumeros ‘having many parts’, from polu- ‘many’ + meros ‘a share’.