pol·y·mer
noun/ˈpɒlɪmə(r)/
/ˈpɑːlɪmər/
(chemistry)- 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’.