a substance built from a large number of simple molecules of the same kind, 1855, probably from German Polymere (Berzelius, 1830), from Greek polymeres "having many parts," from polys "many" (see poly-) + meros "part" (see merit (n.)).
实用例句
1. The nature of the polymer is currently a trade secret.
这一聚合物的性质目前是个商业机密。
来自柯林斯例句
2. Hydrophobically associating water - soluble polymers is water - soluble polymer with bit of hydrophobic group in hydrophilic macro chain.