polyester Hear it!

polyester definition

poly·es·ter (päl′ē es′tər, päl′ē es′tər)

noun

  1. any of several polymeric synthetic resins formed chiefly by condensing polyhydric alcohols with dibasic acids: used in making plastics, fibers, etc.
  2. fabric made of these fibers

Etymology: poly(mer) + ester

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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