polyester

American  

[pol-ee-es-ter, pol-ee-es-ter] / ˈpɒl iˌɛs tər, ˌpɒl iˈɛs tər /

noun

1. Chemistry. a polymer in which the monomer units are linked together by the group –COO–, usually formed by polymerizing a polyhydric alcohol with a polybasic acid: used chiefly in the manufacture of resins, plastics, and textile fibers.

2. Also called poly.  a fabric made from such textile fibers.

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polyester British  

/ ˌpɒlɪˈɛstə /

noun

1. any of a large class of synthetic materials that are polymers containing recurring -COO- groups: used as plastics, textile fibres, and adhesives

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polyester Scientific  

/ pŏl′ē-ĕs′tər /

1. Any of various mostly synthetic polymers that are light, strong resins resistant to weather and corrosion. Polyesters are long chains of esters and are used to make fibers and plastics. They are thermosetting. Some polyesters, such as suberin, occur naturally.

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Other Word Forms

• polyesterification noun

Etymology

Origin of polyester

First recorded in 1925–30; poly- + ester

Example Sentences

So it was five grown adults in a tent made for three people, the polyester fabric straining and holding its shape by a thread.

From Los Angeles Times

“I started off with just changing out all my cookware to cast iron, changing out my workout clothes, because all of the polyester stuff has PFAS,” she said.

From The Wall Street Journal

With little more protection than a polyester face covering, it was the clean up that started it all.

From BBC

Visitors can also explore a jungle wall of wild grasses made of nylon, plastic and polyester by Madagascan artist Joel Andrianomearisoa.

From Barron's

By now modern kits were made mostly of polyester, and the ability to replicate the designs meant forging the genuine shirts had become commonplace.

From BBC