| Noun | 1. | polyester - any of numerous synthetic resins; they are light and strong and weather resistantsynthetic resin - a resin having a polymeric structure; especially a resin in the raw state; used chiefly in plastics polyester fiber - a quick-drying resilient synthetic fiber consisting primarily of polyester | |
| 2. | polyester - a complex ester used for making fibers or resins or plastics or as a plasticizerplastic - generic name for certain synthetic or semisynthetic materials that can be molded or extruded into objects or films or filaments or used for making e.g. coatings and adhesives ester - formed by reaction between an acid and an alcohol with elimination of water | |
| 3. | polyester - any of a large class of synthetic fabricscloth, fabric, textile, material - artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers; "the fabric in the curtains was light and semitraqnsparent"; "woven cloth originated in Mesopotamia around 5000 BC"; "she measured off enough material for a dress" | |