polyester

[ pol-ee-es-ter, pol-ee-es-ter ]

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.

polyester

/ 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

polyester

/ 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.

Other Words From

• pol·y·es·ter·i·fi·ca·tion [pol-ee-es-ter-, uh, -fi-, key, -sh, uh, n], noun

Word History and Origins

Origin of polyester¹

First recorded in 1925–30; poly- + ester

Example Sentences

This facilitates the reaction of the intermediates with each other to make a polyester, which gels into solid particles that can easily be separated out.

From Science Daily

After its test run with polyester in Taiwan, Alchemie is heading next to South Asia and Portugal to test their machines and also try it out on cotton.

From BBC

I bought slippery polyester button-downs and oversize men’s pants at local thrift stores.

From Los Angeles Times

By the time the doors open at 2 p.m. for the show, Fischer is in her polyester usher uniform, helping audience members to their seats.

From Los Angeles Times

The website for the Billie Eilish store says “all merchandise clothing uses residual dead stock from prior productions, organic or recycled polyester or cotton.”

From Los Angeles Times