巨分子化合物 jùfēnzǐhuàhéwù polymer Origin Definitions Defs Strokes Stroke Words Sentences Sents 巨分子 jùfēnzǐ macromolecule a very large molecule, such as a polymer or protein, consisting of many smaller structural units化合物 huàhéwù noun chemical compound a substance formed from two or more elements that are chemically combined in a fixed ratio