pol·y·es·ter (pŏl′ē-ĕs′tər, pŏl′ē-ĕs′tər)
noun:
- 1. Any of numerous synthetic polymers produced chiefly by reaction of dicarboxylic acids with dihydric alcohols and used primarily as light, strong, weather-resistant resins in boat hulls, textile fibers, adhesives, and molded parts.
- 2. A wrinkle-resistant fabric of fibers made from any of these resins.