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.
Also called poly. a fabric made from such textile fibers.
- pol·y·es·ter·i·fi·ca·tion [pol-ee-es-ter-uh-fi-key-shuhn], /ˌpɒl iˌɛs tər ə fɪˈkeɪ ʃən/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use polyester in a sentence
Avoid polyester, rayon, and acrylic fabrics, and instead, turn your attention to the benefits of cotton.Best weighted blanket: Sleep like a baby with our comfy bedding picks | PopSci Commerce Team | February 12, 2021 | Popular-Science
The leather is made from Swedish elkskin and the gloves are lined in a soft polyester knit.Best winter gloves: Our picks for touch screen gloves, ski gloves, and more | PopSci Commerce Team | February 2, 2021 | Popular-Science
Note, however, that not all polyester fleece linings are created equal.
It’s made out of soft, lightweight polyester and features classic Zelda characters and and game icons.Stylish and sophisticated scarves that everyone will love | PopSci Commerce Team | January 13, 2021 | Popular-Science
Some pillows are advertised as being made of synthetic down, which means they’re filled with materials such as polyester.
The Centers for Disease Control note that it is used to “make polyester compounds, and as a base for deicing solutions.”Europeans Recall Fireball Whiskey Over a Sweetener Also Used in Antifreeze | Tim Mak | October 28, 2014 | THE DAILY BEAST
He re-invents himself: he goes from ill-fitting polyester cotton blends to silk shirts and stylish leather jackets.
It was a cashmere year for movies, so why are we cheering polyester?
She was 17 and dressed as a flight attendant—think cheap polyester and way too little fabric.The 15 Most Cringeworthy Bits From Leandra Medine’s New Memoir | Emilia Petrarca | September 10, 2013 | THE DAILY BEAST
The translucent green polyester has been stretched into door handles, moldings, and even a telephone.
I said, "Well, adipic acid is a known polyester ingredient."The Professional Approach | Charles Leonard Harness
British Dictionary definitions for polyester
any of a large class of synthetic materials that are polymers containing recurring -COO- groups: used as plastics, textile fibres, and adhesives
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for polyester
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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.