1. any of numerous synthetic resins; they are light and strong and weather resistant • Hypernyms: synthetic resin • Hyponyms: polyester fiber 2. a complex ester used for making fibers or resins or plastics or as a plasticizer • Hypernyms: ester, plastic 3. any of a large class of synthetic fabrics • Hypernyms: fabric, cloth, material, textile • Hyponyms: Dacron, Terylene
