polyetherWiktionary 原文构词拆分poly-前缀many · polymer+ether词根/词干词源说明From poly- + ether.释义（英文）名词 Noun(organic chemistry) a polymer, such as an elastomer, in which carbon atoms of the repeating units are joined by a single oxygen atom词族派生词（7）perfluoropolyetherpolyetherimidePEpolyether block amide (PEBA)polycarbonate-polyether (PC-PE)