名詞 polyester:

1. any of numerous synthetic resins; they are light and strong and weather resistant
2. a complex ester used for making fibers or resins or plastics or as a plasticizer
3. any of a large class of synthetic fabrics
   同義詞：polyester fabric

pol.y.es.ter

n.（名詞）
Any of numerous synthetic polymers produced chiefly by reaction of dibasic acids with dihydric alcohols and used primarily as light, strong, weather-resistant resins in boat hulls, swimming pools, textile fibers, adhesives, and molded parts.
聚脂：一種人工合成的聚合物，主要通過二元酸與二羚基醇反應產(chǎn)生，主要在船體、游戲池、織物纖維、黏合劑和鑄件上用作輕而強硬的、防風雨的合成樹脂
A wrinkle-resistant fabric of fibers made from any of these resins.
聚脂纖維，滌綸：用這些合成樹脂中的任一種制成的一種防皺的纖維

【引伸】
pol.yes.ter
adj.（形容詞）
pol.yes.terifica.tion